Uniform Circular Motion

A boy moving along a circular path of radius $10 \mathrm{m}$ completes $3/4th$ of the circle in $10 \sec$. The magnitude of speed and velocity are

  The second's hand of a watch is 2 cm long. The speed of the tip of this hand is 

 Choose the wrong statement.

A body covers half the distance with a speed of 20 m/s and the other half with a speed of 30 m/s. The average speed of the body during the whole journey is

A particle is moving on a circular track with uniform speed. Its motion is

For a given length of a pendulum, the time period is maximum

The oscillations of a pendulum slow down due to

The relation between T and g is given by