Motion in A Str...

A ball is thrown up under gravity \(\mathrm{(g=m/sec^2)}\). Find its velocity after 1.0 sec at a height of 10 m

If a body is thrown up with the velocity of 15 m/s then maximum height attends by the body is

A cricket ball is thrown up with a speed of 19.6 \(ms^{-1}\). The maximum height it can reach is

A particle when thrown moves such that it passes from same height at 2 and 10 sec, the height is

Velocity of a body on reaching the point from which it was projected upwards, is

Free fall of an object (in vacuum) is a case of motion with

From a balloon raising vertically upwards at 10 m/s a stone is thrown up at 10 m/s relative to the balloon. Its velocity with respect to ground after 2 s is

A stone dropped from the top of the tower touches the ground in 4 sec. The highest of the tower is about

An object is projected upwards with a velocity of 100 m/s. It will strike the ground after (approximately)

From a balloon raising vertically upwards at 5m/s a stone is thrown up at 10m/s relative to the balloon. Its velocity with respect to ground after 2s is

The path of particle moving under the influence of a force fixed in magnitude and direction is

If a car at rest accelerates uniformly to a speed of 144 km/h in 20s. Then it covers a distance of

A particle moving in a straight line covers half the distance with speed of 3 m/s. The other half of the distance is covered in two equal time intervals with speed of 4.5 m/s and 7.5 m/s respectively. The average speed of the particle during this motion is

A particle moves with uniform acceleration along a straight line AB. Its velocities at A and B are 2 m/s and 14 m/s, respectively. M is the mid-point of AB. The particle takes \(t_1\) seconds to go from A to M and \(t_2\) seconds to go from M to B. Then \(\frac{t_2}{t_1}\) is

A body starts from rest and travels S m in 2nd second, then acceleration is

The displacement is x of a particle at the instant when its velocity is v is given by \(v = \sqrt{3x + 16}\). Its acceleration and initial velocity are

If distance covered by a particle is zero, what can you say about its displacement?

A man throws balls with same speed vertically upwards one after the other at an interval of 2 sec. What should be the speed of throw so that more than two balls are in air at any time?