A small body is projected with a velocity of `20.5 ms^(-1)` along rough horizontal surface. The coefficient of friction `(mu)` between the body and surface changes with time t (in s) as the the body moves along the surface. Find the velocity at the end of 4s in m/s

A block is projected with speed 20 m/s on a rough horizontal surface. The coefficient of friction (mu) between the surface varies with time (t) as shown in figure. The speed of body at the end of 4 second will be (g=10m//s^(2))

A block is projected with speed 20 m/s on a rough horizontal surface. The coefficient of friction (mu) between the surface varies with time (t) as shown in figure. The speed of body at the end of 4 second will be (g=10m//s^(2))

A small body of mass 1kg is projected with initial velocity 10sqrt2 m//s on a rough horizontal surface. The coefficient of friction between the body and surface varies as mu = 5x where x is the displacement of the body. The distance travelled by the body before coming to rest__

A body of mass 2 kg is dragged with a velocity of 2 m/s on a rough horizontal plane. The coefficient of friction between the body and the surface is 0.10. Calculate the amount of heat generated in 5 sec (J=4.2"joule"//calandg=9.8m//s^2)

A body of mass 5kg is under the action of 50N on the horizontal surface. If coefficient of friction in between the surfaces is one, the distance it travels in 3 s is

A body of mass 5kg is under the action of 50N on the horizontal surface. If coefficient of friction in between the surfaces is one, the distance it travels in 3 s is

A body of mass m, having momentum p, is moving on a rough horizontal surface. If it is stopped in a distance x, the coefficient of friction between the body and the surface is given by