Question

You are ridding your bike and you slam on your brakes. What is the most likely acceleration that your bike undergoes

2.0 mph/s
5.0 mph/s
0.0 mph/s
-3.0 mph/s

Answer 1

-3.0mph/s

Explanation:

Why?

• If you apply brakes then your bike will experience a retar dation.
• Hence acceleration will be in -

Answer 2

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The acceleration will be negative, because speed decreases as we apply brakes, and in the choices above there is only one option which shows negative acceleration that is :

• - 3.0 mph/s