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A trolley is falling freely on inclined ...

A trolley is falling freely on inclined plane as shown in the figure. The angle of string of pendulum with the ceiling of trolley is `(alpha)` equal to

A

`theta^(@)`

B

`90^(@)-theta^(@)`

C

`90^(@)`

D

`0^(@)`

Text Solution

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The correct Answer is:
C
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ALLEN-RACE-Basic Maths (NEWTONS LAWS OF MOTION)
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