V K Sally and R Goel Solutions for Chapter: Motion, Exercise 17: EXERCISE

Which of the statement is not true regarding uniform circular motion?

The length of second’s hand of a clock is $8 \mathrm{cm}$. The speed of tip of second’s hand is :

An artificial satellite is moving in a circular orbit of radius $42250 \mathrm{km}$. If it takes $24 \mathrm{hours}$ to revolve around the earth, its speed is:

A particle is acted upon by a constant force, the magnitude of which is always perpendicular to the velocity of particle. The motion of particle takes place in same plane. From the above statement it implies:

When an electron spins around a nucleus, the necessary centripetal force is provided by:

What is the unit of a physical quantity which is represented by area under a velocity-time graph?

Name a physical quantity which remains constant during a uniform circular motion.

Name a physical quantity which changes continuously during a uniform circular motion.