Q 1186080877.     The motion of the ball is observed from the frame of the trolley. Calculate the angle `θ` made by the velocity vector of the ball with the `x` – axis in this frame and the speed of the ball with respect to the surface, if `φ = 4 θ // 3`.

JEE-MIS
A

`53^@, 4` m/s

B

`45^@, 2` m/s

C

`45^@, 4` m/s

D

`37^@, 2` m/s

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