REACH FOR THE TOP

IMPROVE THE SENTENCE: She was "so tall to" reach the top shelf.

A block of mass m at the end of a string is whirled round in a vertical circle of radius R. The critical speed of the block at the top of its swing below which the string would slacken before the block reaches the top is

A block of mass 1 kg is hanging vertically from a string of length 1 m and Mass/length =0.001 kg/m. A small pulse is generated at its lower end. The Pulse reaches the top end in approximately.

When Rahul walks up a stationary escalator,then he takes 20s to reach the top.While when he walks up a moving escalator,he takes 10s to reach the top.The time taken by him to reach the top when stand still on the moving escalator is?

A monkey while trying to reach the top of a pole of height 12 meters takes every time a jump of 2 meters but slips 1 meter while holding the pole. The number of jumps required to reach the top of the pole, is:

In previous problem what is the work done by vec(F) if the body started at rest at the base and has a velocity v on reaching the top?

A mass m is hanging by a string of length l. The velocity v_(0) which must be imparted to it to just reach the top is