A solid sphere moves at a terminal velocity of `20ms^-1` in air at a place where `g=9.8ms^-2`. The sphere is taken in a gravity free hall having air at the same pressure and pushed down at a speed of `20 ms^-1`

A solid sphere falls with a terminal velocity of 20 ms^-1 in air. If it is allowed to fall in vacuum

A solid sphere fallls with a terminal velocity of 20 ms^-1 in air. If it is allowed to fal in vacuum

A solid sphere falls with a terminal velocity of 20 ms^-1 in air. If it is allowed to fall in vacuum

The terminal velocity of a ball in air is v, where acceleration due to gravity is g. Now the same ball is taken in a gravity free space where all other conditions are same. The ball is now pushed at a speed vv, then –

The terminal velocity of a ball in air is v, where acceleration due to gravity is g. Now the same ball is taken in a gravity free space where all other conditions are same. The ball is now pushed at a speed v, then –

A body moving with a velocity of 10ms^(-1) increases its velocity to 20ms^(-1) in 2 s. Then the rate of change in velocity is ______.

A body moving with velocity of 10ms^(-1) increases its velocity to 20ms^(-1) in 2 s. then the rate of change in velocity is ___-

A body is projected at 45^(@) with a velocity of 20ms^(-1) has a range of 30m .The decrease in range due to air resistance is? (g=10ms^(-2))

The velocity of sound in air at 20^(@)C is 340ms^(-1) . Keeping the temperature constant, what will be the velocity of sound in air when the pressure of the gas is doubled?

The velocity of sound in air at 20^(@)C is 340ms^(-1) . Keeping the temperature constant, what will be the velocity of sound in air when the pressure of the gas is doubled?