MOTION IN A PLANE Set 5

A cyclist moves in such a way that he track turn after 100 m. What is the displacement when to takes seventh turn?

A body is moving in a circular path with acceleration . If its velocity gets doubled, find the ratio of acceleration after and before the change

A weightless thread can bear tension upto 37 N. A. stone of mass 500 g is tied to it and revolved in a circular path of radius 4 m in a vertical plane. then the maximum angular velocity of the stone will be

A ball is projected with velocity at an angle of elevation . Mark the correct statement

What is the unit vector along

A child travelling in a train throws a ball outside with a speed . According to a child who is standing on the ground, the speed of the ball is

A weightless thread can bear tension upto wt. A stone of mass is tied to it and revolved in a circular path of radius in a vertical plane. If , then the maximum angular velocity of the stone will be

A car of mass moves on a circular track of radius . If the coefficient of friction is 0.5, then maximum velocity with which the car can move is

Which of the following statements is false for a particle moving in a circle with a constant angular speed?

A particle moves in a circular orbit under the action of a central attractive force inversely proportional to the distance . The speed of the particle is