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The Cosmic Perspective

Physics & Astronomy

Quiz 4 :

Making Sense of the Universe: Understanding Motion, Energy, and Gravity

Quiz 4 :

Making Sense of the Universe: Understanding Motion, Energy, and Gravity

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Changing the orbit of a spacecraft by firing thrusters is an example of
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C

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The movement of a pool ball,after being struck by a cue,is an example of
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B

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If an object's velocity is doubled,its momentum is
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C

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Which of the following is an example in which you are traveling at constant speed but not at constant velocity?
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Suppose an object is moving in a straight line at 50 miles/hr.According to Newton's first law of motion,the object will
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What would happen if the Space Shuttle were launched with a speed greater than Earth's escape velocity?
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The fact that the Voyager spacecraft continues to travel out of the solar system,even though its rockets have no fuel,is an example of
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As long as an object is not gaining or losing mass,a net force on the object will cause a change in
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Which of the following is not a conserved quantity?
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If you drop a rock from a great height,about how fast will it be falling after 5 seconds,neglecting air resistance?
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You are standing on a scale in an elevator.Suddenly you notice your weight decreases.What do you conclude?
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How does the Space Shuttle take off?
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Momentum is defined as
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In which of the following cases would you feel weightless?
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Which of the following statements is not one of Newton's laws of motion?
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Newton's second law of motion tells us that the net force applied to an object equals its
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If your mass is 60 kg on Earth,what would your mass be on the Moon?
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A skater can spin faster by pulling her arms closer to her body or spin slower by spreading her arms out from her body.This is due to
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What quantities does angular momentum depend upon?
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What is the acceleration of gravity of Earth?
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