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Questions >> JEEMAIN and NEET >> Physics >> Class11 >> Work, Power and Energy

Displacement of a body of mass 2 kg varies with time as $s=t^2+2t$ .Where s in meters t in seconds. The work done by the force acting an body during the time t=2s to t=4s is

asked Jul 17, 2013 by meena.p

1 answer

A body is moved along a straight line by a machine delivering constant power. The distance moved by the body in time 't' is proportional to

asked Jul 16, 2013 by meena.p

1 answer

Work done by force $F=(-6x^3\hat i)\;N$ in displaying particle from $x=4m$ to $x=-2m$ is

asked Jul 16, 2013 by meena.p

1 answer

Force acting on a particle is $(2i+3j)N$ . Work done by the force is zero, when the particle is moved on the line $3y+kx =5$ value of k is

asked Jul 16, 2013 by meena.p

1 answer

Work done by the conservative force on a system is equal to

asked Jul 16, 2013 by meena.p

1 answer

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