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Acceleration

A car startin...

Question

A car starting from rest acquires a velocity $180 m s^{- 1}$ in 0.05 h.Find it's acceleration.

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Solution

Given
time=0.05hr
=0.05×60×60 sec=180sec

initial velocity(u)=0
final velocity=180 $\frac{m}{s}$

applying
v=u+at
180=u+a×180
180=0+180a
a =acceleration = 1m

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