Home
Class 12
PHYSICS
A particle of mass 'm' is suspended from...

A particle of mass 'm' is suspended from a ceiling through a string of length'L'. If the particle moves in a horizontal circle of radius 'r', then the speed of the particle is

A

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

B

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

C

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

D

`gsqrt(r/(L^2-r^2))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

If a particle covers half the circle of radius R with constant speed, then

A particle is moving in a vertical circle. Its

If KE of the particle of mass m performing UCM in a circle of radius r is E. Find the acceleration of the particle

For a particle moving in a circle,

Toy cart tied to the end of an unstretched string of length a, when revolved moves in a horizontal circle of radius 2a with a time period T. Now the toy cart is speeded up until it moves in a horizontal circle of radius 3a with a period T. If Hooke's law (F=kx) holds, then

One end of string of length l is connected to a particle on mass m and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed v the net force on the particle (directed toward centre) will be ( T reprents the tension in the string):

An object of mass M is tied to a string of length l and revolved in a horizontal circle. If length is reduced by l//2 , then period is

A toy cart is tied to the end of an unstretched string of length 'l'. When revolved, the toy cart moves in horizontal circle with radius 2l and time period T. If it is speeded until it moves in horizontal circle of radius '3l' with period T_1 , relation between T and T_1 is (Hooke's law is obeyed)

A sphere of mass m is tied to end of a string of length l and rotated through the other end along a horizontal circular path with speed v . The work done in full horizontal circle is

A particle moving in a magnetic field increases its velocity, then its radius of the circle