Question

A car traveling at 50 m/s comes to a stop in 5 seconds. What is the
acceleration of this?

Answer 1

Answer:

10

Explanation:

10 is the answer because you divide 50  and 5 and your answer is 10.

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Answer 2

Answer:

a = -10m/s²

Explanation:

Givens:

Vf = 0m/s

Vi = 50m/s

t = 5s

Use the following kinematic equation:

Vf = Vi+at

Rearrange

a = (Vf-Vi)/t

a = -10m/s²