A body of mass m starts moving from rest along x-axis so that it velocity varies as v=`asqrt(s)` where a is a constant and s is the distance covered by the body .The total work done by all the forces acting on the body in the first second after the start of the motion is :

A locomotive of mass 'm' starts moving so that its velocity varies as v=alpha s^(2/3) where alpha is a positive constant and 's' is the distance travelled .The total work done by all the forces acting on the locomotive during first 't' second after the start of motion is

A locomotive of mass m starts moving so that its velocity varies according to the law V=alphasqrts, where alpha is a constant and s is the distance covered. Find the total work done by all the forces acting on the locomotive during the first t seconds after the beginning of motion.

A locomotive of mass m starts moving so that its velocity varies according to the law v=asqrts , where a is a constant, and s is the distance covered. Find the total work performed by all the forces which are acting on the locomotive during the first t seconds after the beginning of motion.

A particle of mass m moves with a variable velocity v, which changes with distance covered x along a straight line as v=ksqrtx , where k is a positive constant. The work done by all the forces acting on the particle, during the first t seconds is

A body starts from rest with a uniform acceleration ‘a'. Find the distance covered by the body in nth second.

A body starting from rest covers a distance of 9 m in the fifth second. The acceleration of the body is:

A body starts from origin and moves along x - axis so that its position at any instant is x=4t^(2)-12t where t is in second and v in m/s. What is the acceleration of particle?

A force of 5 N acts on a 15 kg body initially at rest. The work done by the force during the first second of motion of the body is