Answered

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An object hits the ground travelling at 8 km/hr. It is brought to rest in 0.4 seconds. What is its
acceleration in m/s^2?

Sagot :

Purplestar006idn

Explanation:

8km/hr---→2.22m/s

a=v-u/t

0-2.22/0.4

5.55m/s²

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