Test U6 - Motion

Question 1

27. Can the velocity of a car change when it’s speed is constant?

Answer 1

Yes, it can change directions. Velocity is speed and direction.

Question 2

29. Describe the motion of a biker at A, B, and C as shown by the distance vs time graph 1.

Answer 2

A = Constant speed

B = Not moving

C = Constant speed (slower than part A)

Question 3

30. Describe the motion of a biker at A, B, and C as shown by the velocity vs time graph 1.

Answer 3

A = negative acceleration (slowing down)

B = no Acceleration (constant velocity)

C = positive acceleration (speeding up)

Question 4

34. A man is riding his 4wheeler at 60 km/hr. If he is riding at this rare for 1.5 hours, how far did he ride.

Answer 4

90 km = d