1.

A simple pendulum consisting a ball of mass 'm' tied to a string of length 'I' is made t showing on a circular arc of angle 'q' ina vertical plane. At the end of this arc, another ball of mass 'm' is placed at rest. The momentum transferred to the ball at rest by swinging ball is

Answer»

`MQL SQRT(1/g)`
`mql sqrt(g//l)`
`2qml sqrt(l/g)`
Zero

Answer :D


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