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A particle of mass m is suspended from a...

A particle of mass m is suspended from a ceiling through a string of length L. The particle moves in a horizontal circle of radius r. Find a. the speed of the particle and b. the tension in the string. Such a system is called a conical pendulum.

A

`(rg)/(sqrt(L^2 - r^2))`

B

`(r sqrt(g))/((L^2 - r^2)^(1/4))`

C

`(rsqrt(g))/((L^2 - r^2)^(1/2))`

D

`(mgL)/((L^2 - r^2)^(1/2))`

Text Solution

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The correct Answer is:
B
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