Work Energy and Power

Two bodies of masses m and 4 m are moving with equal K.E. The ratio of their linear

Two bodies of masses m and 4 m are moving with equal K.E. The ratio of their linear momenta is…

A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass

A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass 16g. If the…

When a mass M is attached to the spring of force constant k,

When a mass M is attached to the spring of force constant k, then the spring stretches by l. If…

The potential energy of a long spring when stretched by 2 cm is U.

The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by…

A stationary particle explodes into two particles of masses m₁ and m₂ which move

A stationary particle explodes into two particles of masses m₁ and m₂ which move in opposite directions with velocities v₁…

Match the following columns about collision

Match the following columns Column i Column ii A. Inelastic collision Kinetic energy of the system may decrease B. Elastic…

For inelastic collision between two spherical rigid bodies

For inelastic collision between two spherical rigid bodies Options (a) the total kinetic energy is conserved (b) the total mechanical…

A ball of mass 2 kg and another of mass 4 kg are dropped together from

A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 ft tall…

Two particles of masses m₁ m₂ move with initial velocities u₁ and u₂

Two particles of masses m₁ m₂ move with initial velocities u₁ and u₂ .On collision, one of the particle s…

A particle A suffers on oblique elastic collision with a particle B that

A particle A suffers on oblique elastic collision with a particle B that is at rest initially.If their masses are…