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A ball is moving in a circular path of radius 5 m.If tangential acceleration

A ball is moving in a circular path of radius 5 m.If tangential acceleration at any instant is 10 m/s ² and the net acceleration makes an angle 30° with the centripetal acceleration, then the instantaneous speed is

Options

(a) 50√3 m/s
(b) 9.3 m/s
(c) 6.6 m/s
(d) 5.4 m/s

Correct Answer:

9.3 m/s

Explanation:

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