The speed of a motorcycle increases from 10 kilometers per hour to 50 kilometers per hour in 9 seconds. What is its acceleration?

well, it increased by 40 km/hr in 9 s, so the acceleration is

40/9 km/(hr-s)

Explanation:

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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i think its 100.

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