Test - Unit 6 Motion

Question 1

9. A cross country runner runs 10km in 40mins. What is his average speed?

Answer 1

0.25 km/min

U6 C1 notes
P. 2

Question 2

13. The horses on a carousel or mere-go-round are accelerating because _______.

Answer 2

The direction of the horses’ motion are constantly changing

U6 C2 notes
P. 1

Question 3

23. Ben is exercising his pony on a large, oval track. The only is trotting at a constant speed of 10 m/s around the track. Which statement can be made about the pony’s motion?

Answer 3

The pony is accelerating.

U6 C2 notes
P. 1

Question 4

23. Find the acceleration of a car that goes from 32 m/s to 96.

Answer 4

a=vf - vi.             a= 64
     ———.                  ——
        t.                          8
a=96 - 32.         a= 8.         
     ————
          8                U6 C2 notes   P. 1