If two bodies have circular path of radius rt and r2 and the time taken are the same, find the ratio of the -angular speed.

Two particles-one of mass m1, and the other of mass m2, carry equal charges. After being accelerated through the same potential difference they enter a region of uniform magnetic field and describe circular paths of radius (r_1) , and (r_2) , respectively. Find the ratio of their masses.

Two rings have their moments of inertia in ratio 2 : 1 and their diameters are in the ratio 2 : 1. The ratio of their masses is

Two cars are going in two .concentric circular orbits of radius r, and r2 with angular velocities omegaavdeltaomega_2 what is the radio of their liner of their velocities?

Two bodies are projected at an angle theta and (90 - theta) to the horizontal with the same speed. Find the ration of their time of flight.

A body is moving in a circular path with constant speed

Two bodies of masses of 1 g and 4 g are moving with equal kinetic engergies .Find the ratio of their momenta.

An athlete completes one round of a circular track of radius R in 30 seconds. What will be the displacement at the end of 2 min 15 second ?

A path of 7m width runs around a circular park whose radius is 18m . Find the area of the path.