Meter is standard unit for measurement of length. Larger unit used for measurement of length is Kilometer.
Since,
1 Kilometer= 1000 meter
or
1 meter = 1/1000 Kilometer
therefore,
35 meter = 35/1000 Kilometer
35 meter = 0.035 Kilometer
35 m is equivalent to 0.035 km.
35 meters is equivalent to 0.035 kilometers, which is found by dividing the number of meters by 1000.
To convert meters to kilometers, you need to know the basic conversion rate: 1 kilometer (km) is equivalent to 1000 meters (m). Therefore, to convert meters to kilometers, you divide the number of meters by 1000.
35 meters is equivalent to 0.035 kilometers because:
35 m / 1000 = 0.035 km
None of the other options (35000 km, 35000 km, 0.0035 km) are correct. The correct conversion is to simply divide the number of meters by 1000 to get the kilometers.
why do lunar and solar eclipses not happen every month?
Eclipses only occur during full and new moons.
Earth rotates around its axis faster than the moon.
The moon and Earth only travel through the penumbras.
The moon’s axis does not always align with Earth’s shadow.
Answer:
The moon’s axis does not always align with Earth’s shadow.
Explanation:
The lunar eclipse happens when the Earth comes between the moon and the Sun, blocking the light falling on the moon. It occurs on a full moon. On the other hand, a solar eclipse occurs when the moon comes between the Earth and the Sun, blocking the sunlight falling on Earth. It occurs on new moon day. For each to occur, the three bodies must be aligned in straight line. As the orbital plane of the moon is not exactly aligned to that of the Earth, the eclipses do not occur every month.
The reason why lunar and solar eclipses do not happen every month is because: D. The moon’s axis does not always align with Earth’s shadow.
An eclipse is simply an astronomical phenomenon (event) that usually takes place when a celestial body such as a Moon in space moves in between the Sun and another celestial body such as planet Earth, usually causing the total or partial blockage or obscuration of light to the celestial body.
Based on space exploration and science, there are two (2) main types of eclipse;
I. Lunar eclipse: it is an astronomical phenomenon (event) that occurs when planet Earth gets between the Moon and the Sun, thereby causing it to cover or obscure the Moon with its shadow.
II. Solar eclipse: this is an astronomical phenomenon (event) that typically occurs when the Sun is obscured or blocked by the Moon, thereby engulfing a portion of planet Earth.
However, these astronomical phenomenon (lunar and solar eclipses) do not happen every month because the axis of the Moon is tilted five (5) degrees and as such doesn't always align with Earth’s shadow.
In conclusion, without this tilt of the Moon from Earth's orbit around the Sun, lunar and solar eclipses would happen every month.
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A helicopter above the ground is descending at 3.1 m/s it drops a package from rest relative to the helicopter just before it hits the ground the package is falling at a rate of 9.5 m/s relative to the helicopter find the velocity of the package relative to the ground.
12.6 m/s, up
6.4 m/s up
12.6 m/s down
6.4 m/s down
Initial speed of the package will be same as the speed of helicopter as it has been dropped from the helicopter.
So if we find the velocity of package relative to helicopter then it will be zero
so here we can say
[tex]v_i = v_{helicopter} = 3.1 m/s[/tex]
Now here relative velocity of the of the package will increase due to free fall in gravity and then just before if hit the ground the speed of the package will be 9.5 m/s relative to the helicopter.
so here we can say
[tex]v_{p/H} = v_p - v_H[/tex]
[tex]v_{p/H} = 9.5 m/s[/tex]
[tex]v_H = 3.1 m/s[/tex]
so here the net velocity with respect to ground will be
[tex]v_p = V_{p/H} + v_H[/tex]
[tex]v_p = 3.1 + 9.5 = 12.6 m/s[/tex]
so package will hit with speed 12.6 m/s downwards
What happens to the magnetic field of a wire when you change the direction of the current of the wire
Larry and Balky set up an experiment to analyze the motion of a marble as it rolled down an incline. They started the marble at the top of the ramp and set up photogates to collect data as the marble rolled down the ramp.
Which graph format will allow Larry and Balky to calculate instantaneous accleration from the slope of the graph?
A) Velocity on the y-axis, time on the x-axis
B) Distance on the y-axis, time on the x-axis
C) Time on the x-axis, distance on the y-axis
D) Velocity on the y-axis, distance on the x-axis
Answer:
Option A is the correct answer.
Explanation:
The instantaneous acceleration = Change in velocity in velocity/Time taken
The slope of the graph should give instantaneous acceleration.
Slope of a graph = Change in value of Y -axis / Change in values of X -axis
Comparing both the equations
Change in value of Y -axis = Change in velocity in velocity
Change in values of X -axis = Time taken
So velocity values should be on the Y axis and Time values should be on the X axis.
Option A is the correct answer.
A) Velocity on the y-axis, time on the x-axis
What parts of clam are likely to be preserved?
How was the age of the Earth determined? (site 1)
In baseball, a home run means the batter has hit the baseball into the stands, beyond the baseball field. Compare the force of the batter when bunting the ball into the in-field versus hitting a grand slam.
The force is much less when bunting into the in field.
Answer:
The force is much less!
Explanation:
carbon monoxide pure substance or mixture and why
The bar graph shows the population of male and female deer in a forest, measured in 10-year intervals. According to the graph, which of these statements is true about the trends?
Answer: option D. the ratio of the population of male deer is not constant.
Explanation:
The bar graph permits to compare the results for two different populations: male and female deer in a very easy visual way.
These features are remarkable:
This discards the option A, which states that the population of male deer increases each decade from 1961 to 2011.
This discards the option B. which states that when the polulation of male deer increases, the poluplation of female deer also increases.
Answer:
The answer is D
Explanation:
I got it right
Household Paint Is it a pure substance or a mixture and why
Physics Question, Please Help Me?
Which line in the graph might you obtain if an increase in x always produces a linear increase in y? A, B, or C?
Here's something I'll bet you never thought about before:
A function is called "linear" if it makes a straight line when you graph it.
There are three different functions on the graph you provided. The only one of them that's a "linear" function is line B .
A person throws tennis ball 6m/s straight up. How long does it take for it to come back to their hand?
generally you must stir a can of paint before you use it.. is paint miscible or immiscible? explain
Paint is immiscible because the layer that forms on top of settled paint is a substance which cannot dissolve with the rest of the paint. Stirring the paint is only temporarily in effort to form an even and thoroughly mixed solution by physically mixing the separate molecules of the solution. However, for it to be miscible, it the solution has to be evenly distributed (chemically) on a molecular level as to not separate when left for a lengthy period of time.
Two identical balls are dropped from a tall building, one a few seconds later after the other. Air resistance is not negligible. As the balls fall, the distance between the balls will
a. decrease
b. increase
c. increase then remain constant
d. remain constant
What were some of newton mathematical and scientific contributions
The path followed by a projectile is called its _____.
A. projectile motion
B. projectile path
C. trajectory
D. path of motion
The path followed by a projectile is called its trajectory. (C)
In the most common school situation ... with gravity but without air resistance, the trajectory of a projectile is the shape of an inverted parabola (nose pointing up). That's the result of constant horizontal velocity and accelerated vertical velocity.
Answer:
Trajectory
Explanation:
Trajectory is the path followed or traced by a projectile.
It follows a parabola shape. That is the shape got in javeline.
In a hydraulic jack, the pipe below the load has an area of 5 m2, and the pipe through which the input force transmits has an area of 0.1 m2. If the input force is 200 N, what is the output force in kN?
A. 10 kN
B. 20 kN
C. 15 kN
D. 13 kN
As per Pascal's law
Pressure must be equally transmitted to all points of fluids
So here we can say
[tex]P_{in} = P_{out}[/tex]
As we know that pressure is the ratio of force and area so we can say
[tex]\frac{F_{in}}{A_{in}} = \frac{F_{out}}{A_{out}}[/tex]
Given that
[tex]F_{in} = 200 N[/tex]
[tex]A_{in} = 0.1 m^2[/tex]
[tex]A_{out} = 5 m^2[/tex]
[tex]\frac{200}{0.1} = \frac{F_{out}}{5}[/tex]
[tex]F_{out} = 5 * 2000 = 10000[/tex]
so output force will be 10 kN
so A option is correct
Answer:
The answer is A 10 kN
Explanation:
I got it right on the test.
HURRY PLS!!! Carla draws two circuit diagrams that connect the same components in different ways, as shown. Which statements about the circuits are correct? Check all that apply.
Circuit A is a series circuit.
Circuit B is a series circuit.
The bulbs in Circuit A shine brighter than those in Circuit B.
The total resistance in Circuit A is greater than that in Circuit B.
When a bulb in Circuit B goes out, the other bulbs go out.
When a bulb in Circuit A goes out, the other bulbs keep shining.
A series circuit is a closed circuit in which the current follows in only one path. In a series circuit, the current through each load is the same and the total voltage across the circuit is the sum of the voltages across each load. If one component of a series circuit becomes nonfunctional, the rest of components do not work. So the circuit A is a series circuit.
Explaining the second statement :
Each resistor in a series circuit has the same amount of current flowing through it, whereas the current flowing through each resistor in a parallel circuit is different, depending on the resistance. So we can say that when resistors are connected in parallel, more current flows from the source than flow for any of them individually, so the total resistance is lower.
Series circuit has the summation of all resistances. Therefore, Circuit A is a series circuit, and also the total resistance in Circuit A is greater than that in Circuit B.
What is an Electrical circuit?The combination of various electrical components in a definite form, to allow the flow of electric current through it, is known as an electrical circuit.
Given data -
Carla draws two circuit diagrams that connect the same components in different ways.
A series circuit is a closed circuit in which the current follows in only one path. In a series circuit, the current through each load is the same and the total voltage across the circuit is the sum of the voltages across each load. If one component of a series circuit becomes nonfunctional, the rest of the components do not work. So circuit A is a series circuit.
The resistors in a series circuit have the same amount of current flowing through it, whereas the current flowing through each resistor in a parallel circuit is different, depending on the resistance. When resistors are connected in parallel, more current flows from the source than flow for any of them individually, so the total resistance is lower.
Thus, we can conclude that Circuit A is a series circuit, and also the total resistance in Circuit A is greater than that in Circuit B.
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Two dimensional motion is not always projectile motion. In two dimensional motion that is not projectile motion, what is not accelerating the object
gravity is the correct answer.
In two-dimensional motion that is not projectile motion, the object may experience acceleration due to various forces acting on it. Projectile motion is a specific case where the only significant force acting on the object is the force of gravity, resulting in a distinct motion trajectory.
Projectile motion refers to a specific type of two-dimensional motion in which an object is launched into the air and moves under the influence of gravity alone, experiencing no forces other than gravity. In this case, the object's motion is characterized by a constant horizontal velocity and a vertical acceleration due to gravity.
However, in other two-dimensional motions where the object is not a projectile, there may be other forces acting on it, causing it to accelerate in various directions. Some examples of forces that can cause acceleration in two-dimensional motion include:
Applied Forces: If an external force is applied to the object, it will accelerate in the direction of that force. For example, pushing a box across the floor or throwing a ball horizontally.
Frictional Forces: Friction opposes the relative motion between two surfaces in contact. It can cause acceleration in the opposite direction to the motion, reducing the object's speed.
Tension: In systems with ropes or strings, tension can cause an object to accelerate in the direction of the net force.
Electrostatic Forces: If the object carries an electric charge and is in the vicinity of other charged objects, electrostatic forces may cause it to accelerate.
Magnetic Forces: If the object is influenced by magnetic fields, magnetic forces can cause it to accelerate in specific directions.
Spring Forces: In systems involving springs, the compression or stretching of the spring can cause acceleration in the object attached to it.
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what happens when you add heat to a substance ?( think of the kinetic theory of matter)
Does radiation require a heated liquid to transfer energy?
well yes because it will rquerid to have heat
Answer:
Explanation: its false
Hello I need help! Don't have to say the answer, I just want to know how to solve it or the formula pretty please! Thanks
A camera falls from a blimp that is 568 m
above the ground and rising at a speed of
10.6 m/s.
Find the maximum height reached by the
camera with respect to the ground. The acceleration
of gravity is 9.8 m/s^2.
Answer:
Maximum height reached = 573.73 m
Explanation:
We have equation of motion, [tex]v^2=u^2+2as[/tex], where u is the initial velocity, u is the final velocity, s is the displacement and a is the acceleration.
Here final velocity = 0 m/s at maximum height, initial velocity = 10.6 m/s, acceleration = acceleration due to gravity = [tex]-9.8m/s^2[/tex]
Substituting
[tex]0^2=10.6^2-2*9.8*s\\ \\ s=5.73 m[/tex]
So camera travels 5.73 m above after falling from blimp.
Maximum height reached = Initial height + 5.73 = 568+5.73 = 573.73 m
Which type of circuit is a continuous loop that allows the flow of current along its intended path?
A) open
B) inverted
C) closed
D) short
A C) closed circuit is a continuous loop that allows the flow of current along its intended path.
A continuous loop that allows the flow of current along its intended path is closed circuit. The correct option is C.
What is circuit?A circuit consists of a voltage source along with resistors and the current flows from positive to the negative terminal of the battery.
When the circuit is open , there will be no current flowing in the circuit, but if closed, there will be continuous flow of current.
Thus, the correct option is C.
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A 1400 kg van is traveling at 24m/s when the driver takes her foot off the gas pedal. The car eventually rolls to a stop after 225 meters. Find the force of friction acting on the van.
We can use the kinematics equation
v1^2-v0^2=2as
where v1=final velocity = 0 m/s
v0=initial velocity = 24 m/s
a=acceleration = to be determined
S=distance travelled during acceleration = 225 m
=>
a=(v1^2-v0^2)/(2S)
=(0^2-24^2)/(2*225)
=-576/450
=-1.28 m/s^2
So van is decelerating at 1.28 m/s^2
The frictional force is therefore
F = ma = 1400 kg * 1.28 m/s^2 = 1792 N
The force of friction acting on the 1400 kg van, which comes to a stop after 225 meters, is calculated using the work-energy principle and is found to be 1792 Newtons.
Finding the Force of Friction Acting on the Van
To determine the force of friction acting on a van that rolls to a stop after the driver takes her foot off the gas pedal, we need to apply the principles of kinetic energy and work done. The work done by friction is equal to the change in kinetic energy of the van as it comes to a stop. Since the van starts at a speed (v) of 24 m/s and ends at 0 m/s, the initial kinetic energy ([tex]KE_i[/tex]) is
[tex]KE_i = 1/2 mv^2[/tex]
where m is the mass of the van (1400 kg). The work done by friction (W) equals the force of friction (f) multiplied by the distance (d) over which it acts, hence W = fd. Work done by friction is also equal to the change in kinetic energy:
[tex]W = KE_i - KE_f[/tex]
Because the van stops, [tex]KE_f[/tex] (final kinetic energy) is 0, and the work done by friction will equal the initial kinetic energy. We can calculate the force of friction now that we know the work done and the distance:
f = [tex]KE_i[/tex] / d
Using the given values:
[tex]KE_i[/tex] = 1/2 (1400 kg)(24 m/s)² = 403200 J
So the force of friction (f) can be calculated as:
f = 403200 J / 225 m = 1792 N
The force of friction acting on the van is therefore 1792 N.
A worker pushes a large rock to the north while another worker helps by pushing it to the east. If they both exert equal force, in what direction does the rock move?
northeast
east
north
southwest
Answer:
Northeast
Explanation:
Let magnitude of the force acting along north and east be F.
One worker pushes it toward north and another pushes it along east with same magnitude.
According to law of parallelogram the Resultant force has direction along northeast as shown in the figure.
Match the rocks with the material they are made of.
Answer:
1st box: Sedimentary rocks
2nd box:metamorphic rock
3rd box: igneous rock
Explanation:
Sedimentary rocks are rocks formed from weathered pieces of rocks (sediments) which have accumulated over a period of time. An example of a sedimentary rock is limestone
Metamorphic rocks are rocks that have been reformed as a result of long term effects of high temperature and pressure. they can be said to ave changed or metamorphosed from their original state which could be igneous , sedimentary or even metamorphic. example is marble
igneous rocks are solidified hot molten magma which have become cooled after a period of time. An example is granite
Modern atomic theory states that the atom is a diffuse cloud surrounding a small, dense nucleus. Identify which particle is in the nucleus. A) ion b) proton c) electron d) free radical
b) proton
the proton is the only one of these that are in the nucleus. if you think the electron is, its not; the electrons are all outside the nucleus in the electron cloud. :)
When 2 grams of hydrogen (h2) react with 32 grams of oxygen (O2) the reaction yields hydrogen peroxide (h2o2) how many grams of ho202 are produced in this reaction
as per the reaction we have
[tex]H_2 + O_2 ---> H_2O_2[/tex]
so here 1 mole of H2 react with 1 mole of O2 and give 1 mole of H2O2 as the product
now we will find the moles of given reactant
moles of H2
[tex]n_1 = \frac{2}{2} = 1 mole[/tex]
moles of O2
[tex]n_2 = \frac{32}{32} = 1 mole[/tex]
so here both present in 1 mole each hence the product will also formed 1 mole
so here we have
[tex]n = 1 mole[/tex] H2O2 will form
so mass of the product
mass = moles* molecular mass
[tex]m = 1 * (2 + 32)[/tex]
[tex]m = 34 g[/tex]
so the product mass will be 34 g
PLZ help!
Which vector should be negative?
Question 1 options:
any vector whose magnitude is greater than 1
any vector whose magnitude is less than 1
the velocity of a falling object
a displacement in the direction North
Question 2 (1 point) Question 2 Unsaved
A worker pushes a large rock to the north while another worker helps by pushing it to the east. If they both exert equal force, in what direction does the rock move?
Question 2 options:
northeast
southwest
north
east
Question 3 (1 point) Question 3 Unsaved
At take off, a plane flies 100 km north before turning to fly 200 km east. How far is its destination from where the plane took off?
Question 3 options:
224 km
200 km
300 km
173 km
Question 4 (1 point) Question 4 Unsaved
A runner traveled 15 kilometers north then backtracked 11 kilometers south before stopping. His resultant displacement was
Question 4 options:
4 kilometers south
26 km south
26 km north
4 kilometers north
4 Kilometers, North, would be the answer.
A .25 kg ball initially at rest is hit with a 460 N impact. What is the time of impact for this event if the ball ends up moving 40 m/s
Time of impact: [tex]\(0.0217\)[/tex] seconds, calculated using impulse-momentum theorem with force [tex]\(460 \, \text{N}\) and mass \(0.25 \, \text{kg}\)[/tex].
To find the time of impact, we can use the impulse-momentum theorem, which states that the impulse experienced by an object is equal to the change in momentum of the object. Mathematically, it can be expressed as:
[tex]\[ J = \Delta p \][/tex]
Where:
- [tex]\( J \)[/tex] is the impulse
- [tex]\( \Delta p \)[/tex] is the change in momentum
The impulse [tex](\( J \))[/tex] can be calculated using the force [tex](\( F \))[/tex] and time [tex](\( \Delta t \))[/tex] of impact:
[tex]\[ J = F \cdot \Delta t \][/tex]
Given that the force [tex](\( F \))[/tex] is 460 N, we can rearrange the equation to solve for the time ([tex]\( \Delta t \)[/tex]):
[tex]\[ \Delta t = \frac{J}{F} \][/tex]
The change in momentum ([tex]\( \Delta p \)[/tex]) can be calculated using the mass [tex](\( m \))[/tex] and the final velocity (\( v_f \)) of the ball:
[tex]\[ \Delta p = m \cdot v_f \][/tex]
Given that the mass [tex](\( m \))[/tex] is 0.25 kg and the final velocity [tex](\( v_f \))[/tex] is 40 m/s, we can substitute these values into the equation to find the change in momentum.
Once we have both the impulse [tex](\( J \))[/tex] and the change in momentum [tex](\( \Delta p \))[/tex], we can solve for the time of impact [tex](\( \Delta t \))[/tex].
Let's calculate:
[tex]\[ \Delta p = m \cdot v_f = 0.25 \, \text{kg} \times 40 \, \text{m/s} = 10 \, \text{kg} \cdot \text{m/s} \][/tex]
[tex]\[ \Delta t = \frac{J}{F} = \frac{10 \, \text{kg} \cdot \text{m/s}}{460 \, \text{N}} \][/tex]
[tex]\[ \Delta t = \frac{10}{460} \, \text{s} \][/tex]
[tex]\[ \Delta t[/tex] ≈ [tex]0.0217 \, \text{s}[/tex]
So, the time of impact for this event is approximately [tex]\( 0.0217 \)[/tex] seconds.