Work Energy and Power

Three solids of masses m₁,m₂ and m₃ are connected with weightless string

Three solids of masses m₁,m₂ and m₃ are connected with weightless string in succession and are placed on a frictionless…

The kinetic energy of particle moving along a circle of radius R depends

The kinetic energy of particle moving along a circle of radius R depends upon the distance s as k= as².Then…

Two balls of mass m₁ and m₂ are separated from each other by powder charge

Two balls of mass m₁ and m₂ are separated from each other by powder charge placed between them.The whole system…

A force acts on a 3.0 g particle in such a way that the position of the particle

A force acts on a 3.0 g particle in such a way that the position of the particle as a…

The potential energy of a weightless spring compressed by a distance D is proportional

The potential energy of a weightless spring compressed by a distance D is proportional to Options (a) D (b) D⁰…

A ball is dropped from a height of 20 cm. Ball rebounds to a height of 10cm

A ball is dropped from a height of 20 cm. Ball rebounds to a height of 10cm. What is the…

When a spring is extended by 2 cm energy stored is 100 J. When extended further by 2 cm

When a spring is extended by 2 cm energy stored is 100 J. When extended further by 2 cm, the…

A neutron moving with velocity v collides with a stationary particle

A neutron moving with velocity v collides with a stationary particle. The velocity of the neutron after the collision is…

A force of 5 N is acting on an object. Displacement of object is 10 m and the work done

A force of 5 N is acting on an object. Displacement of object is 10 m and the work done…

A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg

A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg and 12 kg. The…