A ball is suspended by a thread from the ceiling of a tram car. The brakes are applied and the speed of the car changes uniformly from 36 Km h - 1 to zero in 5 s . The angle by which the ball deviates from the vertical is g = 10 m s - 2

Question

A ball is suspended by a thread from the ceiling of a tram car. The brakes are applied and the speed of the car changes uniformly from 36 Km h - 1 to zero in 5 s . The angle by which the ball deviates from the vertical is g = 10 m s - 2, tan - 1 ⁡ 1 3, sin - 1 ⁡ 1 5, tan - 1 ⁡ 1 5, cot - 1 ⁡ 1 3

MARKS App · Accepted Answer

u = 36 km h - 1 = 10 m s - 1 v = u + a t , tan ⁡ θ = a g v = 10 - a × 5 ( given , v = 0 ) a = 2 tan ⁡ θ = 2 10

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