(g = 10 msec) 13. A 2 kg object located at rest travels a distance of 3.0 m under the influence of 30 Newton force. Hydro Is reduced to 15 newtons, but the direction remains the same, now under the influence of this force, 20 Does. Calculate the final kinetic energy of the object.

A force of 30 N acts on a body of mass 2.0 kg starting from rest upto a distance of 3.0 m . Then the force reduces to 15N and acts in the same direction upto 2.0 m . Calculate the final kinetic energy of the body.

A particle moves along the x-axis from x=0 to x=5m under the influence of a force given by F=7-2x+3x^(2) . Calculate the work done in doing so.

A particle moves alog the x - axis from x=0 to x=5 m under the influence off a force given by F=7-2x+3x^2 .Calculate the work done in doing so.

A particle moves along Y - axis from y = 0 m under the influence of a force F = (9+3y+5y)^(2) N . Calculate the work done on the particle .

A particle moves along x-axis from x=0 to x=2 m under the influence of a force F (in N) given by F=3x^(2)+2x-5. Calculate the work done

A particle moves along x-axis from x=0 to x=2 m under the influence of a force F (in N) given by F=3x^(2)+2x-5. Calculate the work done

A particle moves in one dimension from rest under the influence of a force that varies with the distance travelled by the particle as shown in the figure. The kinetic energy of the particle after it has travelled 3m is:

A body of mass 2kg is resting on a rough horizontal surface. A force of 20N is now applied to it for 10s, parallel to the surface. If the coefficient of kinetic friction between the surfaces of contact is 0.2. Calculate change in kinetic energy of the object in 10s. (Take g=10ms^(-2) ).

A particle moves along X-axis from x=0 to x=1 m under the influence of a force given by F=3x^(2)+2x-10. Work done in the process is