An object moves in a circular path at a constant speed. Compare ...

[penza]

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.

[JaynaD87]

Answer to Question 1

C

Answer to Question 2

B

[penza]

Both answers were spot on, thank you once again

[JaynaD87]

Great! Please up vote