On a horizontal rought rood , value of coefficient of friction `mu =0.4`.Find the minimum time in which a distance of `400m` can be covered. The car start from rest and finally comes to rest.

On a horizontal rough road , value of coefficient of friction mu =0.4 .Find the minimum time in which a distance of 400m can be covered. The car start from rest and finally comes to rest.

A car starts from rest on a 2 - km long bridge. The coefficient of friction is 0.5 . Find the minimum time to cross the bridge.

A car starts from rest to cover a distance s. the coefficient of friction between the road and the tyres is mu . The minimum time in which the car can cover the distance is proportional to

A car, starting from rest, has a constant acceleration for a time interval t_1 during which it covers a distance In the next time interval the car has a constant retardation and comes to rest after covering a distance in time Which of the following relations is correct?

A car, starting from rest, has a constant acceleration for a time interval t_1 during which it covers a distance In the next time interval the car has a constant retardation and comes to rest after covering a distance in time Which of the following relations is correct?

The coefficient of friction between the tyres and road is 0.4. The minimum distance covered before attaining a speed of 8 ms^(-1) starting from rest is nearly (take, g=10 ms^(-2) )

The coefficient of friction between the tyres and road is 0.4. The minimum distance covered before attaining a speed of 8 ms^(-1) starting from rest is nearly ( take g=10 ms^(-2) )

Two block m and M tied together with an inextensible string are placed at rest on a rought horizontal surface with coefficient of friction mu The block m is pulled with a variable force F at a varying angle theta with the horizontal .The value of theta at which the least value of F is required to move the blocks given by

Two block m and M tied together with an inextensible string are placed at rest on a rought horizontal surface with coefficient of friction mu The block m is pulled with a variable force F at a varying angle theta with the horizontal .The value of theta at which the least value of F is required to move the blocks given by