Asked by melanie

a motorcycle initially moving at +32 m/s accelerates at -4.0 m/s for 3.0s. a car initially at rest accelerates at 4.0 m/s for 5.25 s.
a) Which vehicle will be going faster at the end of each given time, and how much faster?
b) how far does each vehicle travel during their respective times?

Answers

Answered by John
32 m/sec will be decreased at for 3.0 sec.
32-12 = 20 m/s

4.0 m/sec times 5.25 sec. = 21 m/sec

1m/sec faster.

b) d= rt

You could use the average rate by computing the beginning and ending speeds
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