Physics, asked by archanakushwaha295, 7 months ago

please give me the correct answer

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Answered by hasnakm

1

Explanation:

u=20m/s

t=10s

a=?

we know that

a=v-u/t

a=0-20/10

a=-2m/s^2

so acceleration is -ve

***Vav=100+50/(3+2)

=150/5=30 km/h

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