the final velocity of motorist after accelerating through a distance of 100 m is 72 km/hr. what would be its velocity 5 seconds before reach8ng 72km/hr?

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the final velocity of motorist after accelerating through a distance of 100 m is 72 km/hr. what would be its velocity 5 seconds before reach8ng 72km/hr?

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the final velocity of motorist after accelerating through a distance o...

Assuming initial velocity u=0,

v=u+at v=at 20=at

s=0.5 at*t 100=10 t t=10 seconds

at=20 a=2m/s^2

v=at t=5

Therefore v=10m/s or 36 kmph

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