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a body moving with uniform acceleration travels 84m in First6s and 180m in next 5s . Find the initial velocity and acceleration of body

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a = (V2-V1)/T.
V1 = 84m/6s = 14 m/s = Initial velocity.
V2 = 180m/5s = 36 m/s.

T = t1 + t2 = 6 + s = 11s.

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