A stone of mass 1kg is tied to a string 4m long and is rotated at constant speed of 40 ms⁻¹ in a vertical bottom is (take ,g = 10ms⁻² )

Options

(a) 11 : 12
(b) 39 : 41
(c) 41 : 39
(d) 12 : 11

Correct Answer:

39 : 41

Explanation:

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