A block 'A' of mass 1kg is kept on a block 'B' of mass 2kg .Block A is imparted a velocity of 16m/s at t=0.If the coefficient of friction between A and B is 0.2, find the time (in sec) after which momentum of A and B relative to ground will be equal.(Take g=10m/s^(2) ).

A marble block of mass 2 kg lying on ice when given a velocity of 6m//s is stopped by friction in 10s. Then the coefficient of friction is

A block A with mass 100kg is resting on another block B of mass 200kg. As shown in figure a horizontal rope tied to a wall hold it. The coefficient of friction between A and B is 0.2 while coefficient of friction between B and the ground is 0.3 . the minimum required force F to start moving B will be.

Block B of mass 2 kg is placed on smooth horizontal plane. Block A to mass 1 kg is placed on block B . The coefficient of friction between A and B is 0.40 . The block A is imparted a velocity 16 m//s "at" t=0 . Find the time at which momentum of the twoblocks are equal ( in seconds). (g=10m//s^(2))

The coefficient of friction between 4 kg and 5 kg blocks is 0.2 and between 5 kg block and ground is 0.1 respectively. Choose the correct statement : (Take g=10m//s^(2) )

A block of mass 50 kg slides over a horizontal distance of 1m. If the coefficient of friction between their surface is 0.2, then work done against friction is (take g = 9.8 m//s^(2) ) :

A is a 100kg block, and B is a 200kg block. As shown in figure the block A is attached to a string tied to a wall. The coefficient of friction between A and B is 0.2 and the coefficient of fricition between B and floor is 0.3. Then calculate the minimum force required to move the block B. (take g=10m//s^(2) ).

Block B of mass 2kg rests on block A of mass 10kg . All surfaces are rought with the value of coefficient of friction as shown in the figure. Find the minimum force F that should be applied on block A to cause relative motion between A and B . (g=10m//s^(2))

Block B of mass 2 kg rests on block A of mass 10 kg. All surfaces are rough with the value of coefficient of friction as shown in the figure. Find the minimum force F that should ber appplied on blocks A to cause relative motion between A and B. (g=10(m)/(s^2) )