##### 11. Question

A car is moving with a speed of 30 m/s on a circular path of radius 500 m. Its speed is increasing at the rate of 2 m/s2. The acceleration of the car is

Answer

##### 12. Question

A coin kept on a rotating gramophone disc just begins to slip if its centre is at a distance of 8 cm from the centre of the disc. The angular velocity of the gramophone disc is then doubled. Through what distance, the coin should be shifted towards the centre, so that the coin will just slip?

Answer

##### 13. Question

A car moving on a horizontal road may be thrown out of the road is taking a turn

Answer

##### 14. Question

A car is moving in horizontal circular track of radius 10 m, with a constant speed of 36 km/hour. A simple pendulum is suspended from the roof of the car. If the length of the simple pendulum is 1 m, what is the angle made by the string with the track?

Answer

##### 15. Question

A body is allowed to slide on a frictional less track from rest under-gravity. The track ends in a circular loop of diameter D. What should be

the minimum height of the body in terms of D, so that it may successfully complete the loop?

Answer