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A ball is suspended by a thread from the...

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 kmh^(-1)` to zero in 5 s. The angle by which the ball deviates from the vertical is `(g=10 ms^(-2))`

A

`tan^(-1)((1)/(3))`

B

`sin^(-1)((1)/(5))`

C

`tan^(-1)((1)/(5))`

D

`cot^(-1)((1)/(3))`

Text Solution

Verified by Experts

The correct Answer is:
C
`v=u+at , tan theta=(a)/(g)`
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NARAYNA-LAW OF MOTION-EXERCISE - II (C.W)(OBJECTS SUSPENDED BY STRINGS AND APPARENT WEIGHT)
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  2. A ball is suspended by a thread from the ceiling of a tram car. The br...

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