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Can someone please help me solve this?

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A conical pendulum rotates at a horizontal angular velocity of 9.549 rpm. The length of the string is 15 m and the pendulum mass is 21 kg. Determine:

a) The tension in the string.

b) The radius of the turning circle.

c) The centripetal acceleration of the mass. d) The centripetal force of the mass.

Data: g = 9.8 m/s2

Hi!

you can find my answer in [PDF-11]