The surface features of ________ are known only through satellite radar mapping. jupiter mercury venus mars

Answers

Answer 1
The surface features of VENUS are only known through satellite radar mapping. Venus is the second planet from the sun and it is blanketed by a thick atmosphere mainly of carbon dioxide and thick clouds of mostly sulfuric acid. The amount of carbon dioxide in the atmosphere is responsible for the high atmospheric pressure experienced on the planet. The Pioneer Venus Orbiter was the craft used to undertake the radar mapping of the Venusian surface.  

Related Questions

The electrician's main source of information about electrical installation rules and regulations is the

Answers

The main source of information is the National Electric Code or the NEC. However, always track changes and amendments to the national electric code as this is the same as any law or regulation. This is universal, however, some states or cities may have their own subset of regulations about the electric code for their residents.

Michael is playing with two horseshoe magnets. He is trying to get them to touch, but they will not regardless of how hard he tries. Why will the magnets not come in contact?

Answers

since like poles repel, the two horseshoe magnets have like poles facing each other, hence they repel each other and therefore they will not come in contact
The reason the two horseshoe magnets wouldn't touch is because they are the same sides/ force. The saying of opposite attract becomes the opposite meaning, similar object repel. 

The change in electric potential energy per unit charge is

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A) amperes

B) current.  

C) gravity.  

D) voltage.

correct. D) Voltage is the change in electric potential energy per unit charge. It is sometimes called the electric potential difference

Voltage is called as the change in electric potential energy per unit charge which is called as the electric potential difference. So, the correct option is D.

What is Voltage?

Voltage is also called electric pressure, electric tension or potential difference which is defined as the difference in electric potential between two points. This corresponds to the work required per unit charge to move a test charge between two points in a static electric field.

Voltage is called as the change in electric potential energy per unit charge which is called as the electric potential difference. The SI unit for voltage is Volt which is represented by the letter v which derived SI unit of the electromotive force or electric potential.

Therefore, the correct option is D.

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Your question is incomplete, most probably the complete question is:

The change in electric potential energy per unit charge is

A) amperes

B) current.  

C) gravity.  

D) voltage

Which describes constant acceleration in one direction? a baseball moving in a curved path over a fence a basketball at rest a skydiver in free fall a car increasing its speed while moving around a curve

Answers

A skydiver in free fall because all the other choices there speed would slow down. So if a skydiver is in the air falling the skydiver would keep getting constant speed until he or she would hit the ground.  

Hoped this helped :)..
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Have a great day!!

Final answer:

A skydiver in free fall describes constant acceleration in one direction since gravity provides a constant acceleration downwards near Earth's surface.

Explanation:

The question asks which scenario describes constant acceleration in one direction. The correct answer is a skydiver in free fall. This is because, near the surface of the Earth, an object in free fall experiences a constant acceleration due to gravity, with a magnitude of approximately 9.8 m/s².

The direction of this acceleration is vertically downwards, and it remains constant in both magnitude and direction in the absence of air resistance.

In contrast, a car rounding a bend, a merry-go-round increasing speed, or a pendulum swinging all experience changing directions or types of motion which do not represent constant acceleration in one direction.

The answer and how to do it

Answers

The answer is A. The resistance will be half(1/2R)
V=IR
R=V/I
If I is increased, R would decrease as R is inversely proportional to I.
Similarly, I is doubled by a factor of 2, R will decrease by a factor of 2.

Hope it helped!

At an ocean depth of 10.0 m, a diver’s lung capacity is 2.40 l. the air temperature is 32.0°c and the pressure is 101.30 kpa. what is the volume of the diver’s lungs at the same depth, at a temperature of 21.0°c and a pressure of 141.20 kpa?

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At an ocean depth of 10.0 m, a diver’s lung capacity is 2.40 l. the air temperature is 32.0°c and the pressure is 101.30 kpa. The volume of the diver’s lungs at the same depth, at a temperature of 21.0°c and a pressure of 141.20 kpa is 1.66 L.

Answer:

V = 1.66 L

Explanation:

As we know that at the depth of 10 m the volume of the lungs of diver is given as

V = 2.40 L

Temperature = 32 degree C

Pressure = 101.30 kPa

Now we have change the values of pressure and temperature

Pressure = 141.20 kPa

Temperature = 21 degree C

Now we can use idea gas equation to solve this

[tex]PV = nRT[/tex]

[tex]\frac{P_1V_1}{RT_1} = \frac{P_2V_2}{RT_2}[/tex]

so we have

[tex]\frac{101.30 \times 2.40}{R(273 + 32)} = \frac{141.20 \times V}{R(273 + 21)}[/tex]

[tex]V = 1.66 L[/tex]

Tp-15 water current has the greatest effect on which type of boat?

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Answer: Displacement sailboat

Displacement sailboat are stable even in strong water current for it was designed to glide through the water smoothly with a minimum of power for they have smooth lines and curves that gently move water out of its way. In displacement boat, the water moves gradually where less resistance against the boat is created and the boat ride is smooth and safer.

 

The type of mass movement where rock fragments become airborne is:

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The type of mass movement where rock fragments become airborne is Rock Avalanches (airborne).   Rock Avalanches is most spectacular - at 125miles/hr rapid sliding and falling - capacity to become airborne cuts avalanche chute to be repeatedly used, forms talus (debris deposit at angle of repose).

When applying a horizontal force of 30N, an object of mass 6 kg accelerates at 4m/s2. The force of friction on the surface must be ___ N

Answers

Using Newton's Second Law, F = ma, where F is the net force

So the net force is:

F = (6kg)(4m/s^2) = 24N

Since you are applying a horizontal force of 30N, we can find the force of friction by the difference of the net force and the applied force.

30N-24N = 6N

[tex]F_{f} = 6N[/tex]

Explain why cooler stars are red and hotter stars are blue

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More cool stars produce much of their light in the red part of the spectrum, so you see them, and bam, the color red. More hot stars, however, produce much more of their light in the green and or yellow spectrums, with much more tinier amounts of red / blue. This balance of the colors, your eye, sees simply as white. The more hot something is, the greater frequency of radiation it produces! Blue light has a higher frequency than red light, so the stars that glow red are cooler, than the stars that glow blue. :)

Hope this helped!

From an ethical standpoint, which best describes why new biotechnology products should be tested extensively before they are allowed to be used?

(2 points)

There can be unintended consequences to many new biotechnology products.

Many new products end up being more expensive than they appear to be.

Biotechnology products tend to stop working after a few years.

There are usually no benefits to the products of biotechnology.

Answers

Its actually A. I did the same question and A was the correct answer.

There can be unintended consequences to many new biotechnology products so they should be tested extensively before allowed to be used. Option A is correct.

Biotechnology:

It is a field of science that use principles of technology and biology to improve the human lives.

For example-

Vaccines are produced by using the principles of biotechnology.Immunotherapy drugs are also produced by the biotech companies.The effect of biotechnology products in a long term manner cannot be predicted.

Therefore, there can be unintended consequences to many new biotechnology products so they should be tested extensively before allowed to be used.

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-Select ALL that apply-
Absolute zero is ___.

A. 0K
B. –40oC
C. –273oF
D. –273oC
E. the temperature at which water freezes
F. the temperature at which motion is at a minimum

Answers

The correct options are:
A) 0 K
F) the temperature at which motion is at a minimum

In fact, absolute zero corresponds to zero degrees in the Kelvin scale: 0 K. At this temperature, the motion of the molecules of any substance is minimum (it is zero, to be precise).

(note: there are some weird signs in the answers. if there is a negative sign in front of [tex]273^{\circ}C[/tex] in option D), then option D is correct as well, because [tex]0 K =-273^{\circ} C[/tex]).

It's a good idea to create your procedure so that it's written _____. A. on a computer B. after your conclusions C. with step-by-step instructions D. in a way other scientists can't understand

Answers

the answer is C. step by step

Answer:

C. with step-by-step instructions

Explanation:

In order to create a procedure that is well understood and easily readily one needs to draw step by step action of the event that can lead to the formation of the proper answer to the query, and help in forming a good ides and proper sentence, also one should try to avoid too many words and use a active voice and be proper explanation of the statements should be made.

two charges separated a distance of 1.0 meter exert a 1.0-N force on each other If the charges are pushed to a separation of 1/4 meter the force of each charge would be?

Answers

Newtons of force is 20

Final answer:

The electrostatic force between two charges increases by a factor of 16 when the distance between them is reduced to a quarter of the original distance, resulting in a new force of 16 N.

Explanation:

The question provided deals with the concept of electric force between point charges, which is described by Coulomb's Law. According to this law, the force F between two point charges is directly proportional to the product of the charges q₁ and q₂, and inversely proportional to the square of the distance r between them. Specifically, F = k * (q₁ * q₂) / r², where k is Coulomb's constant.

In the original scenario, two charges exert a 1.0-N force when separated by a distance of 1.0 meters. When the separation is reduced to 1/4 meter (or 0.25 meters), the distance squared term in Coulomb's Law (r²) becomes (0.25)², which is 1/16 of the original distance squared. Since the force is inversely proportional to the square of the distance, decreasing the distance by a factor of 4 (which squares to be a factor of 16) increases the force by that same factor of 16.

Thus, the new force would be 1.0 N multiplied by 16, resulting in a force of 16 N when the charges are 1/4 meter apart.

A particle moving with initial velocity of 5m/s is subjected to a uniform acceleration of -2.5 m/s2.find the displacement for next 4 second

Answers

1/2vt^2-1/2at^2
1/2*5*16-1/2*2,5*16=20

Alpha century is 4 light years from earth how long would it take for light form alpha centauri to reach earth

Answers

4 Earth years. I hope this helps

Given:

Distance of alpha century = 4 light year

Speed of light = 3 × [tex] 10^{8} [/tex] m

To find:

Time taken by light to reach earth = ?

Formula used:

Distance = speed × time

Solution:

Distance = 4 light year

Converting distance from light year into meter

1 light year = 365 × 24 × 60 × 60

4 light year = 4 × 365 × 24 × 60 × 60× 3 ×[tex] 10^{8} [/tex]

As we know,

Distance = speed × time

s = v × t

Where s = distance

v = velocity

t = time

So,t = [tex] \frac{s}{v} [/tex]

t = [tex] \frac{4 × 365 × 24 × 60 × 60× 3 ×[tex] 10^{8} [/tex]}{3 ×[tex] 10^{8}} [/tex]

t = 4 × 365 × 24 × 60 × 60 second

t = 4 year

Thus, Time taken by light to reach earth from alpha century is 4 earth year.

While some aspects are based on ____, body composition is largely a result of ____,


A. BMI;BMR

B. Diet;Excercise

C. Heredity;Lifestyle

D. Lifestyle;Heredity

Answers

Answer : Option C) Heredity; Lifestyle.

Explanation : While some aspects are based on heredity, body composition is largely a result of Lifestyle.

Even though it is believed that 80 percent of the aspects of a human body is heredity, but an individual body composition is largely influenced by the result of the lifestyle an individual lives.

You throw a water balloon straight up with a velocity of 12 m/s. What is its maximum height?

Answers

Considering that the earth's gravitational pull of 9.8 m/s is applied, and there are no other outside forces, then the maximum height would be 2.2 meters.

This is found by subtracting the earth's gravitational pull from the velocity in which you threw the object.

What is the magnitude of the instantaneous velocity at 4.00 s?

Answers

.100(\:\rms)))$=2m/s (4)

The required magnitude of the instantaneous velocity at t = 4.00 s is 2 m/s.

What is velocity?

Velocity is defined as the rate of change in the position of an object with respect to time.

The displacement function of an object s(t) gives the position of the object at time t. To find the instantaneous velocity at a particular time t, we need to find the derivative of the displacement function with respect to time.

In this case, the displacement function is s(t) = 2t + 4. Taking the derivative with respect to time, we get,

v(t) = ds/dt = 2

This means that the instantaneous velocity of the object is constant and equal to 2 m/s at all times. Therefore, the magnitude of the instantaneous velocity at t = 4.00 s is 2 m/s.

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Complete question-

What is the measure of the magnitude of the instantaneous velocity at 4.00 s where displacement is a function of t, s = 2t + 4?

A plane traveling at a constant speed is able to travel 600 miles in 5 hours. how fast was the plane flying?

Answers

600 ÷5 = 120mph
120mph

If element "X" is heavier than element "Y" then...

Question 4 options:

A.) Element "X" must be a metal.

B.) Then Element "X" must be on the right side of the periodic table.

C.) Element "X" must have more particles in the nucleus than Element "Y."

D.) Element "X" must have a higher melting point than Element "Y."

Answers

The best answer would be C. 

The mass of an element depends on the number of particles found in the nucleus of the atom. Atomic mass can be computed by adding the number of protons and the number of neutrons. Protons and neutrons are found in the nucleus of an atom. So the answer must be letter C. 

A toy helicopter begins flying across a field with a speed of 3 m/s and an acceleration of 0.8 m/s2. How long does it take the helicopter to reach a speed of 7 m/s?

Answers

From equations of  motion;
v = u + at, where v = final velocity, u = initial velocity, a = acceleration, t = time taken to reach the final velocity. 
Using the values given,

7 = 3 + 0.8*t=> 7-3 = 0.8t

4 = 0.8t
t = 4/0.8 = 5 seconds

Where must an object be placed to form an image 30.0 cm from a diverging lens with a focal length of 43.0 cm?

Answers

Using lens equation;

1/o + 1/i = 1/f; where o = Object distance, i = image distance (normally negative), f = focal length (normally negative)

Substituting;

1/o + 1/-30 = 1/-43 => 1/o = -1/43 + 1/30 = 0.01 => o = 1/0.01 = 99.23 cm

Therefore, the object should be place 99.23 cm from the lens.

An object dropped will hit the ground before an object that is thrown horizontally. true or false?

Answers

Without air resistance and assuming the earth is flat, false. Both will hit the ground at the same time.

Without air resistance and taking into account the curvature of the earth, true. The object dropped will hit the ground first.

With air resistance, it could be either way.

The correct answer is false.

Hope this helps! ;)


The image shows a pendulum that is released from rest at point A. Which energy transformation is correct? From A to C, kinetic energy is transformed into gravitational potential energy. From C to D, kinetic energy is transformed into gravitational potential energy. From C to E, gravitational potential energy is transformed into kinetic energy. From D to E, gravitational potential energy is transformed into kinetic energy.

Answers

Answer:

Partially: From C to D, kinetic energy is transformed into gravitational potential energy and From D to E, gravitational potential energy is transformed into kinetic energy

Explanation:

What happens in this pendulum is that at point A, there's only gravitational potential energy (no velocity=no kinetic energy)

At point C, it has maximum speed since all of the potential energy is transformed into kinetic energy (no potential gravitational  energy at this point)

At point E, it is the same as at point A. (no kinetic energy)

At the intermediate points (B and D) there are both kinetic and potential energy. At point B the kinetic energy is increasing and at point D it is decreasing.

Now let's see each case:

- From A to C, kinetic energy is transformed into gravitational potential energy: It is actually the opposite, so no.

- From C to D, kinetic energy is transformed into gravitational potential energy: Yes, but not all of it is transformed since it still has kinetic energy that allows it to get til point E.

- From C to E, gravitational potential energy is transformed into kinetic energy: No, it is the opposite.

- From D to E, gravitational potential energy is transformed into kinetic energy: Yes, but not all of it, since at point D it also has kinetic energy.

The kinetic energy is transformed into gravitational potential energy from point C to B. But complete transformation is not happening. Thus, the statement is somehow correct.

The analysis of pendulum is given as follows:

At point A, there's only gravitational potential energy and no kinetic energy, because the pendulum is at rest at A.   At point C, it has maximum speed since all of the potential energy is transformed into kinetic energy. Therefore, at this point there is only kinetic energy and no potential energy. At point E, it is the same as at point A, but in opposite side. So, at this point there is no kinetic energy. At  points B and D there are both kinetic and potential energy. At point B the kinetic energy is increasing and at point D it is decreasing.

Now as per the given statements:  

From A to C, kinetic energy is transformed into gravitational potential energy.  It is actually the opposite. Thus, the statement is incorrect. From C to D, kinetic energy is transformed into gravitational potential energy. At this interval, the kinetic energy is converting into potential energy but the conversion is not complete. Thus, the statement is somehow correct. From C to E, gravitational potential energy is transformed into kinetic energy. At this point, the kinetic energy is converting into the potential energy. Thus, the statement is incorrect. From D to E, gravitational potential energy is transformed into kinetic energy. This statement incorrect because there is conversion of kinetic energy into potential energy.

Thus, we can conclude that from C to D, the kinetic energy is transformed into gravitational potential energy, but the transformation is not complete. Hence, statement (B) is correct.

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At its nucleus, the milky way galaxy is about 100,000 light-years wide and _____.

Answers

10,000 light-years thick

At it's nucleus,the milky-way galaxy is about 100,000 light-years wide and 10,000 light-years thick

hope this helps

Which one of the following equations encompasses Boyle's Law, Charles's Law, and the relationship between pressure and temperature when the volume is constant?

A. P = F/A
B. P1V1 = P2V2
C. V1/T1 = V2/T2
D. PV = nRT

Answers

PV =nRT for ideal gases
Answer is D. PV=nRT
Hope this helped

Magnetic fields are produced by: atoms currents voltages charges

Answers

The answer is currents

Answer:

curtent

Explanation:

Train car A is at rest when it is hit by train car B. The two cars, which have the same mass, are stuck together and move off after the collision. How does the final velocity of train cars A and B after the collision compare to the initial velocity of train car B before the collision? The final velocity is double train car B’s initial velocity. The final velocity is the same as train car B’s initial velocity. The final velocity is half of train car B’s initial velocity. The final velocity is zero since train car B will stop.

Answers

Answer:

C) The final velocity is half of train B's initial velocity.

Explanation:

The law of conservation of momentum states that in an isolated system, the total momentum of the system will remain constant. In this case, the two train cars will be treated as an isolated system.

Momentum is calculated by multiplying mass and velocity. Because the initial and final momentum are equal, we know that

[tex]m_Av_A+m_Bv_B=m_fm_f[/tex]

Since train A and train B have the same mass, mF = 2mB. Also, train A's initial momentum was 0 because it was at rest. So, we have

[tex]m_Bv_B=2m_Bv_f\\v_B=2v_f[/tex]

So, we find that the final velocity is half of train B's initial velocity.

A voltage source in a circuit provides electrical _________.

Answers

A voltage source in a circuit provides electrical ENERGY.

In fact, a voltage source is a device (like a battery) that creates a potential difference between two points of the circuit. This potential difference allows charge carriers to move from one side of the device to the other side, flowing through the circuit, producing a current, and current is a form of electrical energy.
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A newspaper article about an opinion poll says that 43% of Americans approve of the president's overall job performance." Toward the end of the article, you read: The poll is based on telephone interviews with 1210 adults from around the United States, excluding Alaska and Hawaii." What variable did this poll measure? What population do you think the newspaper wants information about? What was the sample? Are there any sources of bias in the sampling method used? Pythagorean theorem to determine if a triangle with sides 2 ft,5ft,4ft is a right triangle Which of the european countries was not a member of neither nato nor the warsaw pact? ACE is formed by two secants intersecting outside of a circle. If minor arc BD = 28, minor arc AB = 112, and minor arc DE = 112, what is the measure of ACE? A)14 B)28 C)40 D)54 Q #15 Graph ARTS With vertices R(6, 6), S(3, -6),and T(0, 3) and its image. over the Y -axis What is the growth factor of the following example? Assume time is measured in the units given. A forest shrinks 80% per century. which canadian province/territory is highlighted in red ? When a front wheel drops off the roadway you should? The Tigers first play when they had possession of the ball went for -3 yards. Did the Tigers gain or lose yards on that play? How many yards did they gain or lose? What is one reason many African nations were able to gain independence through largely peaceful means following World War II A. The world had drained European resources and made them less willing to fight B. African colonies were able to join forces to resist imperialism C. New technologies made African natural resources less valuable to colonial powers D. Colonial powers were preoccupied with the tensions of the growing Cold War with a bar magnet where are the lines of force closest together solve for A R=x(A+B) find the value of sin2a, if tana=-12/5 in the fourth quadrant Kenton, a 45-year-old man is warm and kind to everyone. he inspires trust in almost everyone around him. according to the "big five" model of personality factors, kenton displays _____. Why was the city of vicksburg importance during the civil war? A violin string that is 50.0 cm long has a fundamental frequency of 440 Hz. What is the speed of the waves on this string? how did communism affect Chinas foreign policy During which stage of team development do team members attempt to jockey for power, ask many questions and establish dubious goals? forming storming norming performing Where is odysseus at the beginning of the odyssey? The term "baby boom" refers to a significant increase in _______.