A car decreases its speed from 72km/h^1 to 60 km/h^1 in 5 s .Find acceleration of the car
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u=72 km/hr =20m/sec
v=60km/hr =16.6 m/sec
a=v-u/t
a=20-16.6/5
a=3.4/5
a=0.68m/s^2
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