Questions

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…

A wheel is rotating at 900 rpm about its axis.When the power is cut-off it

A wheel is rotating at 900 rpm about its axis.When the power is cut-off it comes to rest in 1…

The mean radius of the earth is R, its angular speed on its own axis is ?

The mean radius of the earth is R, its angular speed on its own axis is ? and the acceleration…

The escape velocity from the earth’s surface is 11 kms⁻¹.A certain planet

The escape velocity from the earth's surface is 11 kms⁻¹.A certain planet has a radius twice that of the earth…

Imagine a light planet revolving around a very massive star in a circular

Imagine a light planet revolving around a very massive star in a circular orbit of radius R with a period…

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 flywheel rotating about a fixed axis has a kinetic energy of 360 J when

A flywheel rotating about a fixed axis has a kinetic energy of 360J when its angular speed is 30 rads⁻¹.The…

The velocity of a particle at an instant is 10 ms⁻¹ and after 5 s the velocity

The velocity of a particle at an instant is 10 ms⁻¹ and after 5 s the velocity of the particle…

Two bodies of masses m₁ and m₂ are initially at rest at infinite distance apart

Two bodies of masses m₁ and m₂ are initially at rest at infinite distance apart.They are then allowed to move…