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…
7 years ago
Physics
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…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago
Two bodies of masses m₁ and m₂ and having velocities v₁ and v₂ respectively
Two bodies of masses m₁ and m₂ and having velocities v₁ and v₂ respectively , moving along a straight line…
7 years ago
A particle moves from position r₁ = 3i + 2j -6k to position r₂ = 14i + 13 j+ 9 k
A particle moves from position r₁ = 3i + 2j -6k to position r₂ = 14i + 13 j+ 9…
7 years ago