Q. 64

# <span lang="EN-US

The speed of the particle with respect to sphere is

Given

The radius of the smooth sphere is R, the constant acceleration is.

Formula Used

The formula for the total energy in terms of kinetic and potential energy is given as

where

The is the total energy in terms of kinetic and potential energy, m is the mass of the object, g is the acceleration in terms of gravity and l is the length of the object, is the angle of exit.

Explanation

As the sphere is moving at a constant acceleration with a pseudo force acting “” on the particle opposite to the downward force is .

Therefore, the speed of the particle is

The tangential force =

Placing the acceleration as

Integrating both sides we get

To know C, we apply boundary pressure of and for which we get:

Hence, the expression of velocity is

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