A 2kg body is displaced on a rough plane with friction coefficinet `mu=0.5` with a variable force `F=(4x^(2)+15)` N. Find the kinetic energy of the block after the block has travelled a distance 5 m.
Topper's Solved these Questions
WORK, ENERGY AND POWER
PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise|42 Videos
A block of mass m=1/3 kg is kept on a rough horizontal plane. Friction coefficient is mu=0.75 . The work done by minimum force required to drag to the block along the plane by a distance 5m is :-
A block of mass 5kg is placed on a rough horizontal plane.A time dependent horizontal force F=(t^(2)+2t) N acts on the block. The friction force between the block and the plane at t=3s is ( mu=0.4 )
A block of mass 4kg is placed on a rough horizontal plane A time dependent horizontal force F =kt acts on the block (k =2N//s) . Find the frictional force between the block and the plane at t =2 seconds and t =5 seconds (mu =0.2) .
A block of mass 10kg is placed on a rough horizontal surface having coefficient of friction mu=0.5 . If a horizontal force of 100N is acting on it, then acceleration of the will be.
A body of mass 10 kg is pulled with a time varying horizontal force F=2t^(2) N on a rough surface having friction coefficient mu=0.2 . Find the speed of block after 6 seconds.
The block of mass 'm' initially at x=0 is acted upon by a horizontal force F=a-bx as shown in the figure. The coefficient of friction between the surfaces of contact is mu . The net work done on the block is zero if the block travels a distance of ________ .
A block of height h is projected along a rough surface of coefficient of friction mu . Find the point of application of the normal force on the block for mu_(k) = 0.5 .
A block of mass 0.5 kg has an initial velocity of 10ms^(-1) down an inclined plane of angle 30^@ , the coefficient of friction between the block and the inclined surface is 0.2. The velocity of the block after it travels a distance of 10 m is
A 1.5 kg block is initially at rest on a horizontal frictionless surface. A horizontal force vec F=(4-x^(2))hat i is applied on the block. Initial position of the block is at x = 0 . The maximum kinetic enery of the block between x = 0 and x = 2m is
A block of mass m = 3 kg slides on a rough inclined plane of cofficient of friction 0.2 Find the resultant force offered by the plane on the block
PHYSICS GALAXY - ASHISH ARORA-WORK, ENERGY AND POWER-unsolved
