Answer: -194 mph
Explanation:
Taking into account the Sun as the center (origin, point zero) of the reference system, the velocity of the spacecraft relative to the Sun [tex]V_{R-S}[/tex] is:
[tex]V_{R-S}=126mph[/tex] Note it is positive because the spacecraft is moving away from the Sun
Taking into account the spacecraft as the center of another reference system, the velocity of the asteroid relative to the spacecraft [tex]V_{A-R}[/tex] is:
[tex]V_{A-R}=-68mph[/tex] Note it is negative because the asteroid is moving towards the spacracft.
Now, the velocity of the asteroid relative to the Sun [tex]V_{A-S}[/tex] is:
[tex]V_{A-S}=V_{A-R}-V_{R-S}[/tex]
[tex]V_{A-S}=-68mph-126mph[/tex]
Finally:
[tex]V_{A-S}=-194mph[/tex] This is the velocity of the asteroid relative to the Sun and its negative sign indicates it is moving towards the Sun.
The asteroid's velocity relative to the spacecraft (68 mph) from the spacecraft's velocity relative to the sun (126 mph), resulting in 58 mph.
The question involves calculating the velocity of the asteroid relative to the sun, given its velocity relative to a spacecraft and the spacecraft's velocity relative to the sun. To do this, we need to add the velocities, taking into account the direction each one is moving.
Since the asteroid is moving in the opposite direction to the spacecraft relative to it, we subtract the asteroid's velocity from the spacecraft's velocity. The spacecraft's velocity relative to the sun is 126 mph. Therefore, we subtract the asteroid's relative velocity of 68 mph from this to find the asteroid's velocity relative to the sun.
The asteroid's velocity relative to the sun = spacecraft's velocity relative to the sun - asteroid's velocity relative to the spacecraft = 126 mph - 68 mph = 58 mph.
Thus, the asteroid is moving at 58 mph relative to the sun.
give the formula for average velocity
Explanation:
Average velocity = change in position over change in time.
v = (x − x₀) / t
Average velocity is defined as the displacement divided by the time of travel.
Explanation:Average velocity is defined as the displacement (change in position) divided by the time of travel. It can be calculated using the formula:
Average velocity = Displacement / Time
For example, if an object moves 100 meters and takes 10 seconds to do so, the average velocity would be 10 meters per second.
Which of the following is an example of an indirect observation?
a. A scientist counts the exact number of snakes in a field.
b. scientist traps fish and
estimates the population of male and female fish based on the ratios of fish he trapped.
c. A scientist counts every frog in a pond.
Answer:
B
Explanation:
The other two choices are exact. B is estimating and giving an indirect observation.
b. scientist traps fish and
estimates the population of male and female fish based on the ratios of fish he trapped.
The key word is estimate. Estimate means that he gives a rough number. There aren't exactly that number of fish.
A. and C. are both exact numbers because the scientists manually count each one. This means these are direct observations, and therefore not the answer.
Hope this helped!
~Just a girl in love with Shawn Mendes
which force keeps and object moving in a circle?
Answer:
Centripetal force
Explanation:
Centripetal force acts on an object moving in a circle. It points towards the center of the circle and has a magnitude equal to m v² / r, where m is the object's mass, v is the object's velocity, and r is the radius of curvature.
How much would a 50-kg object weigh on Mercury (gravity on Mercury is 3.59 m/s2)?
A. 13.9 N
B. 179.5 N
C. 310.5 N
D. 490.0 N
Answer:
B. 179.5 N
Explanation:
Weight is mass times acceleration due to gravity:
W = mg
W = (50 kg) (3.59 m/s²)
W = 179.5 N
Suppose a 1.2 m antenna is installed on top of a building that is 225 m tall,
What is the new total height of the building, including the antenna, expressed
with the correct number of significant figures?
Answer: 226.2 m
Explanation:
If we want to find the new total height [tex]H[/tex] of the building, we have to add to its initial height [tex]h_{B}=225m[/tex] the height of the antenna [tex]h_{A}=1.2m[/tex], as follows:
[tex]H=h_{B}+h_{A}[/tex]
[tex]H=225m+1.2m[/tex]
Then:
[tex]H=226.2m[/tex] This is the new total height of the building.
the weigth of a body decrease in a coal mine why?
Answer
Gravitational force is between two object caused by energy in mass. Here when you are in a mine the radius of the earth in case of calculating gravity is reduced to the length between you and the center.
This means the mass of earth is decreasing even though the distance is decreasing. Relative to the decrease in distance squared the decrease in the mass of the second object(earth) is more. As a result your weight decreases.
Answer:
Explanation: that means as you descend into the earth, all of the mass in all the shells above you gets canceled. If the centre of the earth were not molten iron, but instead hollowed out, you would be weightless inside.
The physics problem is actually a little more general. It applies to inverse square force laws such as the electrical force. So if you put an electron inside a positively or negatively charged sphere, it will also have a net force on it of zero.
a mango falls fromthe top its tree passing a window which is 2.4m tall by taking 0.4s
if the top corner of the window was 3m above the ground, calculate the height of the mango tree.
(assume that the tree is above the window)
I have already got the answers with me but I need the steps.. (ANSWER.h=3.8m)
help me and I'll make u brainliest
Explanation:
There are three points in time we need to consider. At point 0, the mango begins to fall from the tree. At point 1, the mango reaches the top of the window. At point 2, the mango reaches the bottom of the window.
We are given the following information:
y₁ = 3 m
y₂ = 3 m − 2.4 m = 0.6 m
t₂ − t₁ = 0.4 s
a = -9.8 m/s²
t₀ = 0 s
v₀ = 0 m/s
We need to find y₀.
Use a constant acceleration equation:
y = y₀ + v₀ t + ½ at²
Evaluated at point 1:
3 = y₀ + (0) t₁ + ½ (-9.8) t₁²
3 = y₀ − 4.9 t₁²
Evaluated at point 2:
0.6 = y₀ + (0) t₂ + ½ (-9.8) t₂²
0.6 = y₀ − 4.9 t₂²
Solve for y₀ in the first equation and substitute into the second:
y₀ = 3 + 4.9 t₁²
0.6 = (3 + 4.9 t₁²) − 4.9 t₂²
0 = 2.4 + 4.9 (t₁² − t₂²)
We know t₂ = t₁ + 0.4:
0 = 2.4 + 4.9 (t₁² − (t₁ + 0.4)²)
0 = 2.4 + 4.9 (t₁² − (t₁² + 0.8 t₁ + 0.16))
0 = 2.4 + 4.9 (t₁² − t₁² − 0.8 t₁ − 0.16)
0 = 2.4 + 4.9 (-0.8 t₁ − 0.16)
0 = 2.4 − 3.92 t₁ − 0.784
0 = 1.616 − 3.92 t₁
t₁ = 0.412
Now we can plug this into the original equation and find y₀:
3 = y₀ − 4.9 t₁²
3 = y₀ − 4.9 (0.412)²
3 = y₀ − 0.83
y₀ = 3.83
Rounded to two significant figures, the height of the tree is 3.8 meters.
A cylindrical piece of aluminium is 6.00 cm tall and 2.00 cm in radius. How much does it weight
Answer:
2.00 N
Explanation:
The weight is the mass times gravity:
W = mg
The mass is the density times volume:
m = ρV
The volume of a cylinder is:
V = πr²h
Therefore:
W = π r² h ρ g
Given r = 2.00 cm, h = 6.00 cm, ρ = 2.70 g/cm³, and g = 9.8 m/s²:
W = π (2.00 cm)² (6.00 cm) (2.70 g/cm³) (1 kg / 1000 g) (9.8 m/s²)
W = 2.00 N
Witch of the statements about water is true?
There are no true statements on the list you posted.
You've already seen the value of 9.8 in this lesson. What's this value called? What quantity does it represent?
Answer:
The value 9.8 corresponds to g, the acceleration due to gravity in SI units.
Explanation:
This is the answer on Edmentum. :)
The acceleration due to gravity on earth is also known as the value of g on earth is 9.8 m/s2.
How do you get acceleration due to gravity in SI units?Its SI unit is m / s2. It has both magnitude and direction, therefore, a vector value. Acceleration due to gravity is represented by g. The average g g surface at sea level is 9.8 m / s2.
Is the gravity of 9.8 N?The gravitational force of gravity weighing 1 kg on Earth is 9.8 N. Another way to put that is the gravitational force on the Earth's surface is 9.8 N / kg.
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what is conduction ?
Explanation:
the process by which heat or electricity is directly transmitted through the material of a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
Final answer:
Conduction is the process of transferring heat through direct contact between two objects at different temperatures, as seen when you hold a glass of ice water or cook a steak on a skillet.
Explanation:
Conduction is the process of heat transfer through stationary matter by means of physical contact. Heat essentially moves from a higher temperature region to a lower temperature one within the material. It's the same mechanism at play when an electric burner transfers heat to the bottom of a pan, where the particles in the pan attain energy from the particles of the burner by direct contact.
A common experience with conduction is when you hold a glass of ice water and the heat from your hand is transferred to the glass, subsequently melting the ice.
Conduction is also a key process during cooking when, for example, a steak absorbs heat from a hot iron skillet. In both scenarios, heat is conveyed by the energetic motion and collision of particles from a warmer body (the hand or the skillet) to a colder one (the glass or the steak)
Caroline conducts research on how the amount of fiber in a student's breakfast affects their grades in school. How should she represent her data?
data table and line graph
data table and bar Graph
data table with no graphc
neither a data table nor a graph
Answer:
data table and line graph ( first choice)
Answer:
data table and line graph
Explanation:
The data table would consist of the amount of fiber that a student consumes in one column and the grade of the student. So, here the independent variable is amount of fiber that a student consumes and the dependent variable is the grade of the student. The x axis of the graph represents the amount of fiber that a student consumes and the y axis represents the grade of the student.
The line in a graph represents the relationship between the variables of the graph.
Will the sun ever burn out
Answer: Yes
Explanation: The Sun like all other stars will eventually go through nuclear fusion. But for a very long time (about 5 billion years) When it does it is more than likely that it will consume the earth as the sun will expand very larger during the process and become a red giant.
The Sun will 'burn out' over a timeline of billions of years as it exhausts its hydrogen fuel, eventually expanding into a red giant and later leaving behind a cooling white dwarf.
The Sun, which has been shining for about 4.5 billion years, radiates an immense amount of energy due to nuclear fusion occurring in its core. This process involves fusing hydrogen atoms into helium, releasing energy in the form of light and heat. However, the Sun's hydrogen fuel is finite and will eventually be exhausted. In roughly 5 billion years, the Sun will expand into a red giant, engulfing the inner planets. Subsequently, it will shed its outer layers and leave behind a white dwarf. The transition to a red giant will mark the end of the Sun's ability to support life on Earth as we know it. As this white dwarf cools over billions of years, the Sun will indeed 'burn out,' but over a timeline that greatly surpasses human history. Hence, the fate of the Sun is to ultimately cease shining, but this eventuality lies far in our planet's future.
As you drive down the road, you see and hear an ambulance go by you in the
opposite direction. After it passes, how is the frequency you hear different
from that being produced by the ambulance?
O
A. It is higher due to the Doppler effect.
B. It is lower due to the Doppler effect.
O
C. It has not changed, as the two vehicles cancel each othe_out.
O
D. It depends on which vehicle is moving the fastest.
Answer:
B. It is lower due to the Doppler effect.
Explanation:
According to the Doppler effect, observed frequencies are higher than the source frequency if the source is moving towards the observer, and lower if the source is moving away from the observer.
After the ambulance passes, it is moving away from you, so the frequency you hear is lower than the frequency at the ambulance.
Answer:
B. It is lower due to the Doppler effect.
Explanation:
Which is not a factor in a fossil organism being useful as an index fossil? It must have lived through a long span of time. It must be widespread geographically. It must be abundant. It must be limited to a short span of geologic time.
Answer:
it must have lived through a long span of time
Answer:Option (1)
Explanation: Index fossil are those fossils that appears for a very short period of time in the geological time scale and has a wide geographical distribution. For example, Ammonites.
Index fossils are a good source for rock age determination and also it helps in the correlation of rocks.
Thus, the correct answer is option (1).
felix expends 100 W of power to clomb 10 meters in 20 seconds how much force does he exert
Answer:
200 N
Explanation:
Power = work / time
Work = force × distance
Therefore:
Power = force × distance / time
100 W = F × 10 m / 20 s
F = 200 N
He exerted 200 N.
Answer:
200 N
Explanation:
i) sin^2 A sec^2 B + tan^2 B cos^2 A = sin^2A + tan²B
Explanation:
sin² A sec² B + tan² B cos² A
A good first step is to write everything in terms of sine and cosine.
sin² A / cos² B + sin² B cos² A / cos² B
The fractions have the same denominator, so combine into one:
(sin² A + sin² B cos² A) / cos² B
Using Pythagorean identity, we can rewrite sin² B as 1 − cos² B:
(sin² A + (1 − cos² B) cos² A) / cos² B
Distribute:
(sin² A + cos² A − cos² B cos² A) / cos² B
Pythagorean identity:
(1 − cos² B cos² A) / cos² B
Now divide into two fractions again:
1 / cos² B − cos² B cos² A / cos² B
Simplify:
sec² B − cos² A
Using Pythagorean identity again:
(tan² B + 1) − (1 − sin² A)
tan² B + 1 − 1 + sin² A
tan² B + sin² A
Three resistances 2 ohm ,3ohm and 5 ohm are connected in parallel and a
potential difference of 20V is applied across the terminals of
combination. The potential difference across 3 ohm resistance is:
The potential difference across 3 Ohm resistor is 20V.
The resistors are connected in parallel which means all the three resistances have a fully potential difference of 20V.
the pressure of a gas always decreases with decreasing temperature I need it for apex
a. true
b. false
A load of 600N is raised by an effort of 2000
by using I meter long crowbar. If the lod is
20cm away from the fulcrum, what is the
efficiency of the crow-bar?
Answer:
75%
Explanation:
I assume the effort is 200 N, not 2000.
The load is 20 cm from the fulcrum, and the crowbar is 1 m long, so the effort is applied 80 cm from the fulcrum. So the theoretical load that can be raised is:
20 cm × F = 80 cm × 200 N
F = 800 N
But the actual load is 600 N. So the efficiency is:
e = 600 N / 800 N
e = 0.75
The efficiency of the crowbar is 75%.
calculate the acceleration of an apple of mass 200gm,when it falls towards earth.also find the acceleration of the earth towards the apple.(given mass of earth=6*10^24 kg& radius of earth= 6.64*10^6m)
Answer: [tex]a_{apple}=9.082m/s^{2}[/tex], [tex]a_{Earth}=3.027(10)^{-25}m/s^2[/tex]
Explanation:
According to Newton’s law of universal gravitation, which is a classical physical law that describes the gravitational interaction between different bodies with mass:
[tex]F=G\frac{Mm}{r^2}[/tex] (1)
Where:
[tex]F[/tex] is the module of the force exerted between the apple and the Earth
[tex]G=6.674x10^{-11}\frac{m^{3}}{kgs^{2}}[/tex] is the universal gravitation constant.
[tex]M=6(10)^{24}kg[/tex] is the mass of the Earth and [tex]m=200g=0.2kg[/tex] is the mass of the apple
[tex]r=6.64(10)^{6}m[/tex] is the distance between the apple and the Earth (assuming tha apple is near the surface of the Earth)
On the other hand, according Newton's 2nd Law of Motion the force [tex]F[/tex] is directly proportional to the mass [tex]m[/tex] and to the acceleration [tex]a[/tex] of a body.
So, in the case of the apple:
[tex]F=m.a_{apple}[/tex] (2)
[tex]a_{apple}=\frac{F}{m}[/tex] (3)
Substituting [tex]F[/tex] (1) in (3):
[tex]a_{apple}=\frac{F}{m}=G\frac{M}{r^2}[/tex] (4)
[tex]a_{apple}=6.674x10^{-11}\frac{m^{3}}{kgs^{2}}\frac{6(10)^{24}kg}{(6.64(10)^{6}m)^2}[/tex] (5)
[tex]a_{apple}=9.082m/s^2[/tex] (6)
Now, in the case of the Earth:
[tex]F=M.a_{Earth}[/tex] (7)
[tex]a_{Earth}=\frac{F}{M}[/tex] (8)
Substituting [tex]F[/tex] (1) in (8):
[tex]a_{Earth}=\frac{F}{M}=G\frac{m}{r^2}[/tex] (9)
[tex]a_{Earth}=6.674x10^{-11}\frac{m^{3}}{kgs^{2}}\frac{0.2kg}{(6.64(10)^{6}m)^2}[/tex] (10)
[tex]a_{Earth}=3.027(10)^{-25}m/s^2[/tex] (11)
As we can see, the acceleration of the apple towards the Earth is greater than the acceleration of the Earth towards the apple (although the gravitational force between them is the same), because the mass of the Earth is greater than the mass of the apple.
How can a force change the motion of an object that is already moving?
Answer:They may cause motion to change
Explanation:They may cause motion; they may also slow, stop, or change the direction of motion of an object that is already moving. Since force cause changes in the speed or direction of an object, we can say that forces cause changes in velocity. Remember that acceleration is a change in velocity.
A force can change the motion of an object that is already moving by altering its velocity or direction.
Explanation:A force can change the motion of an object that is already moving by altering its velocity or direction.
If a force is applied in the same direction as the object's motion, it can increase its speed. For example, pushing a car that is already moving will make it go faster.
If the force is applied in the opposite direction to the object's motion, it can decrease its speed or even bring it to a stop. For example, dragging your feet on the ground while riding a bicycle will slow you down.
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What did J.J Thomson experiments with cathode ray tubes imply about he mass of an electron?
Answer:
J.J. Thomson carried out an experiment in which he find the charge to mass ratio of electron.
Explanation:
J.J. Thomson carried out an experiment in which he used cathode rays which are emitted from cathode gun. Later it was proved that the cathode rays which are emitted from cathode gun were actually a beam of negatively charged particles which are known as electrons.
when these cathode rays passes through an electric field these rays get attracted towards the positively charged plate and get repelled by negatively charged plate of electric field. In this way these rays get deflected from its path and by measuring, how much cathode rays get deflected from its path J. J. Thomson was able to determine mass to charge ratio.
Thomson carried out the experiment by using different types of cathode which are made from different types of metal and he also filled different gases in the discharge tube but every time he got same charge to mass ratio. After repeating the experiment with different types of cathode and different gases, J.J. Thomson concluded that the cathode ray beam is actually consist of negatively charged particle which is a universal component of matter and which is known as electron. He observed that electron has fixed mass.
Who were the first people on the moon?
Answer:
Neil Armstrong and Pilot Buzz Aldrin.
Explanation:
Neil Armstrong and Pilot Buzz Aldrin were the first people on the moon.
This happened on July 20, 1969, at 8:17.
A coin of mass .005 kg dropped from a height of 3 m. How much potential energy does it have right before it hits the ground? Assume there is no air resistance. Acceleration due to gravity is g=9.8 m/s2
Final answer:
The potential energy of a 0.005 kg coin dropped from a height of 3 m, right before it hits the ground, can be calculated using the formula PE = mgh. The calculated potential energy is 0.147 joules.
Explanation:
To calculate the potential energy of the coin right before it hits the ground, we need to use the formula for gravitational potential energy, which is PE = mgh, where m is the mass, g is the acceleration due to gravity, and h is the height from which the object falls.
In this scenario:
Mass (m) of the coin = 0.005 kg
Acceleration due to gravity (g) = 9.8 m/s²
Height (h) from which the coin is dropped = 3 m
Substituting these values into the formula, we get:
PE = (0.005 kg) × (9.8 m/s²) × (3 m)
PE = 0.147 J
Therefore, the potential energy of the coin right before it hits the ground is 0.147 joules.
give two mathematical examples of Newton's third law and how you get the solution
Answer:
1) Any particle moving in a horizontal plane slowed by friction, deceleration = 32 μ
2) The particle moving by acceleration = P/m - 32μ OR The external force = ma + 32μm
Explanation:
* Lets revise Newton’s Third Law:
- For every action there is a reaction, equal in magnitude and opposite
in direction.
- Examples:
# 1) A particle moving freely against friction in a horizontal plane
- When no external forces acts on the particle, then its equation of
motion is;
∵ ∑ forces in direction of motion = mass × acceleration
∵ No external force
∵ The friction force (F) = μR, where μ is coefficient of the frictional force
and R is the normal reaction of the weight of the particle on the
surface
∵ The frictional force is in opposite direction of the motion
∴ ∑ forces in the direction of motion = 0 - F
∴ 0 - F = mass × acceleration
- Substitute F by μR
∴ - μR = mass × acceleration
∵ R = mg where m is the mass of the particle and g is the acceleration
of gravity
∴ - μ(mg) = ma ⇒ a is the acceleration of motion
- By divide both sides by m
∴ - μ(g) = a
∵ The acceleration of gravity ≅ 32 feet/sec²
∴ a = - 32 μ
* Any particle moving in a horizontal plane slowed by friction,
deceleration = 32 μ
# 2) A particle moving under the action of an external force P in a
horizontal plane.
- When an external force P acts on the particle, then its equation
of motion is;
∵ ∑ forces in direction of motion = mass × acceleration
∵ The external force = P
∵ The friction force (F) = μR, where μ is coefficient of the frictional force
and R is the normal reaction of the weight of the particle on the
surface
∵ The frictional force is in opposite direction of the motion
∴ ∑ forces in the direction of motion = P - F
∴ P - F = mass × acceleration
- Substitute F by μR
∴ P - μR = mass × acceleration
∵ R = mg where m is the mass of the particle and g is the acceleration
of gravity
∴ P - μ(mg) = ma ⇒ a is the acceleration of motion
∵ The acceleration of gravity ≅ 32 feet/sec²
∴ P - 32μm = ma ⇒ (1)
- divide both side by m
∴ a = (P - 32μm)/m ⇒ divide the 2 terms in the bracket by m
∴ a = P/m - 32μ
* The particle moving by acceleration = P/m - 32μ
- If you want to fin the external force P use equation (1)
∵ P - 32μm = ma ⇒ add 32μm to both sides
∴ P = ma + 32μm
* The external force = ma + 32μm
The photons of different light waves:
contain the same amount of energy.
operate at the same frequency.
contain different amounts of energy.
are created through the separation of protons from the nucleus of an atom.
Answer: contain different amounts of energy
Explanation:
The energy [tex]E[/tex] of a photon is given by:
[tex]E=h\nu[/tex]
Where:
[tex]h=6.626(10)^{-34}\frac{m^{2}kg}{s}[/tex] is the Planck constant
[tex]\nu[/tex] is the frequency of the light which is inversely related to the wavelength.
Now, if we have photons of different light waves, this means we have photons with different frequencies.
As the energy of the photon depends on its frequency:
Photons of different light waves contain different amounts of energy.
Photons of different light waves carry different amounts of energy that are proportional to their frequency.
Photons of different light waves contain different amounts of energy. The energy of a photon is proportional to its frequency. A high-frequency wave carries higher energy photons, while a low-frequency wave carries lower energy photons.
A 150 g egg is dropped from 3.0 meters. The egg is
moving at 4.4 m/s right before it hits the ground The egg
comes to a stop in 0.072 seconds.
What is the magnitude of force that the ground exerted on
the egg?
0.66 N
9.2N
13N
180 N
Answer:
9.2 N
Explanation:
F = ma
F = m Δv / Δt
F = (0.150 kg) (4.4 m/s − 0 m/s) / 0.072 s
F = 9.2 N
Answer:
9.2Newtons
Explanation:
Just got it right on edg
During a storm, thunder is heared 7s after the lightining is seen. If the temperature of the air at the time of the storm is 28°C .how far away is the storm?
Answer:
2 meters
Explanation:
time is directly proportional to temperarure where distance is the constant k
therefore
T = t x 2a
28=7 x 2a
28= 14a
a=2m
Answer:
2440 m
Explanation:
The speed of light in air is approximately 3×10⁸ m/s.
The speed of sound in air at 28°C is approximately:
v = 331.4 m/s + 0.6 m/s/°C (28°C)
v = 348.2 m/s
Let's say the distance between you and the storm is x.
Distance = speed × time
x = 3×10⁸ t₁
x = 348.2 t₂
Since t₂ = t₁ + 7:
x / 348.2 = x / 3×10⁸ + 7
Solving for x:
x (1/348.2 − 1/(3×10⁸)) = 7
x = 2440
The storm is approximately 2440 meters away (round as needed).
The direction of deflection of an electron beam in a magnetic field can be determined by which of the following?
Biot-Savart Law
Coulomb’s Law
Right Hand Rule
Ohm’s Law
Answer:
Right Hand Rule
Explanation:
When a charged particle travels in a magnetic field, it experiences a force whose magnitude is given by:
[tex]F=qvBsin\theta[/tex]
where
q is the charge of the particle
v is the velocity
B is the magnetic field strength
[tex]\theta[/tex] is the angle between the directions of v and B
The direction of the force can be determined by using the Right Hand Rule, as follows:
- index finger: this should be put in the direction of the velocity
- middle finger: this should be put in the direction of the magnetic field
- thumb: this will give the direction of the force -> however, for a negative charge (as the electron) the direction must be reversed, so it will be opposite.
Answer:
right hand rule
Explanation: