A car is moving forward at a speed of 15 m/s. After hitting ...

Question

A car is moving forward at a speed of 15 m/s. After hitting a bump, it temporarily moves backward at a speed of 5 m/s after 0.5 seconds. What is the average acceleration of the car during this time?

Options

A

40 m/s²，direction forward

B

40 m/s²，direction backward

C

20 m/s²，direction forward

D

20 m/s²，direction backward

Answer & Analysis

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Physics

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