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Author Question: An object moves in a circular path at a constant speed. Compare the direction of the object's ... (Read 143 times)

penza

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on: Jul 29, 2018
An object moves in a circular path at a constant speed. Compare the direction of the object's velocity and acceleration vectors.
 
  A) Both vectors point in the same direction.
  B) The vectors point in opposite directions.
  C) The vectors are perpendicular to each other.
  D) The acceleration is zero but the velocity is constant.

Question 2

Which of these uses thermal energy to do work?
 
  A) a person walking uphill
  B) a hot air balloon
  C) an electric heater
  D) All of the above.
  E) None of the above.


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JaynaD87

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

C

Answer to Question 2

B


penza

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


JaynaD87

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


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