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Author Question: An astronaut on another planet drops a 1-kg rock from rest. The astronaut notices that the rock ... (Read 167 times)

karateprodigy

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on: Jul 29, 2018
An astronaut on another planet drops a 1-kg rock from rest. The astronaut notices that the rock falls 2 meters straight down in one second. On this planet, how much does the rock weigh?
 
  A) 1 N
  B) 4 N
  C) 5 N
  D) 10 N

Question 2

A feather and a coin will have equal accelerations when falling in a vacuum because
 
  A) their velocities are the same.
  B) the force of gravity is the same for each in a vacuum.
  C) the force of gravity does not act in a vacuum.
  D) the ratio of both the feather's and coin's weight to mass is the same.
  E) none of the above


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Silverbeard98

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


karateprodigy

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

rachel

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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