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Author Question: How old is Earth, according to the vast majority of scientists? A) a few thousand years B) ... (Read 133 times)

Anajune7

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on: Jul 29, 2018
How old is Earth, according to the vast majority of scientists?
 
  A) a few thousand years
  B) about 100 billion years
  C) a few billion years
  D) about a billion years
  E) a few million years

Question 2

A hockey puck slides across a frozen pond. If ice friction and air resistance are neglected, the force needed to keep the puck sliding at constant velocity is
 
  A) 0 N.
  B) equal to the weight of the puck.
  C) the weight of the puck divided by the mass of the puck.
  D) the mass of the puck multiplied by 10 m/s2.
  E) none of the above


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Madisongo23

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

C

Answer to Question 2

Answer: A


Anajune7

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


Madisongo23

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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