Author Question: An astronaut who weighs 800 N on the surface of the earth lifts off from planet Zuton in a space ... (Read 141 times)

ec501234 · **on:** Aug 1, 2020

Question 1

An 8.0-kg object rests on the floor of an elevator which is accelerating downward at a rate of 1.3 m/s². What is the magnitude of the force the object exerts on the floor of the elevator?

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59 N

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10 N

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89 N

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68 N

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78 N

Question 2

An astronaut who weighs 800 N on the surface of the earth lifts off from planet Zuton in a space ship. The free-fall acceleration on Zuton is 3.0 m/s² (down). At the moment of liftoff the acceleration of the space ship is 0.50 m/s² (up). What is the magnitude of the force of the space ship on the astronaut?

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41 N

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0.29 kN

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0.24 kN

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0.20 kN

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0.37 kN

billybob123 · **Reply #1 on:** Aug 1, 2020

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