Work Energy and Power

Two bodies A and B have masses 20 Kg and 5 Kg respectively. Each one is acted

Two bodies A and B have masses 20 Kg and 5 Kg respectively. Each one is acted upon by a…

A block of mass 0.50 kg is moving with a speed of 2.00 ms⁻¹ on a smooth surface.

A block of mass 0.50 kg is moving with a speed of 2.00 ms⁻¹ on a smooth surface. It strikes…

A uniform chain of length L and mass m is kept on a smooth table. It is released

A uniform chain of length L and mass m is kept on a smooth table. It is released from rest…

A bomb of mass 16 kg at rest explodes into two pieces of masses of 4 kg and 12 kg.

A bomb of mass 16 kg at rest explodes into two pieces of masses of 4 kg and 12 kg.…

A neutron is moving with a velocity u.It collides head on and elastically with an atom

A neutron is moving with a velocity u.It collides head on and elastically with an atom of mass number A.…

A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.

A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m. The power…

In the elastic collision of objects

In the elastic collision of objects Options (a) Only momentum remains constant (b) Only K.E remains constant (c) Both remain…

If a body is rolling on the surface, its total energy will be

If a body is rolling on the surface, its total energy will be Options (a)(1/2) mv² - (Gm₁m₂/R) (b) (1/2)…

A spring when stretched by 2mm containing energy 4 J. If it is stretched

A spring when stretched by 2mm containing energy 4 J. If it is stretched by 10 mm, its potential energy…

A body of mass 3 kg acted upon by a constant force is displaced by S meter

A body of mass 3 kg acted upon by a constant force is displaced by S meter, given by relation…