Home
Class 11
PHYSICS
A body of mass 6 kg is acted upon by a f...

A body of mass 6 kg is acted upon by a force which causes a displacement in it given by x =`t^2/4` meter, where t is the time in second. The work done by the force in 2 seconds is

A

12J

B

9J

C

6J

D

3J

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A body of mass 3 kg is under a force which causes a displacement in it given by S = t^2//3 in m. Work done by the force is 2 sec

A body of mass 3 kg acted upon by a constant force is displaced by 's' meter, given by the relation s=(1)/(3)t^(2) , where t is in second. Work done by the force in 2 seconds is

The relation between the displaement x and the time t for a body of mass 2 kg moving under the action of a force is given by x=t^3//3 , where x is in metre and t in second . Calculate the work done by the body in the first 2 seconds .

A force is acting on a mass of 6kg. Displacement x of the mass is related with time t as x=(t^2)/4 m. work done by the force in 2 s is

A particle of mass m at rest in acted upon by a force P for a time t. its kinetic energy after an interval t is

The magnetic flux linked with a coil satisfies the relation phi=4t^(2)+6t+9 Wb where t is the time in second. The e.m.f. induced in the coil at t =2 second is