I believe the answer you are looking for is perception.
Answer: 39.2 m/s
Explanation:
You can use the kinematic equation:

We know the final velocity because it says it came to a stop. So now all we gotta do is plug in.

Answer:
A
Explanation:
the object's mass determines the speed of the object and its kinetic energy
Answer:
like horror? or action haha
Explanation:
Answer:
C.
Measure the wear on his treads before and after riding a certain number of laps.