A body starting from rest and has uniform acceleration 8 m/sec². The distance travelled by it in 5th second will be
A body starts from rest, the ratio of distances travelled by the body during 3rd and 4th seconds is
The initial velocity of a particle is 10 m/sec and its retardation is 2 m/sec². The distance covered in the fifth second of the motion will be
An object is released from some height. Exactly after one second, another object is released from the same height. The distance between the two objects exactly after 2 seconds of the release of second object will be
A man standing on the edge of a cliff throws a stone straight up with initial speed u and then throws another stone straight down with same initial speed u from the same position. Find the ratio of speeds, the stones would have attained when they hit the ground at the base of the cliff?
A stone is dropped from a bridge and it reaches the ground in 4 seconds. The height of the bridge is
A stone is dropped from the top of a tower and it strikes with 3 km/hr against the ground. Another stone is thrown vertically downwards from the same top of the tower with a velocity 4 km/hr. Its velocity when it strikes the ground will be
A ball is thrown vertically upwards from the top of a tower with a velocity of 10 m/sec. If the ball falls on the ground after 5 seconds, the height of the tower will be (use g = 10 m/s²)
If a body starts from rest and travels 1.2 m in the 8th second then what is the acceleration
A body starts from rest and has an acceleration 20 cm/sec². What is the distance covered by the body in first 8 sec
The initial velocity of a body moving along a straight line is 7 m/s. It has a uniform acceleration of 4 m/s². The distance covered by the body in the 5th second of its motion is
A train covers 50 metre distance and stops when applied the breaks. If the velocity of train is just doubled and applied the same retarding force then the distance covered by the train is
When two particles each of mass m are dropped from height h and 2h respectively, then the ratio of their times to reach the ground is
A body falls from a height h = 200 m. The ratio of distance travelled in each 2 s, during t = 0 to t = 6 s of the journey is :
A car moving with a speed of 50 km/h, can be stopped by brakes after at least 6m. If the same car is moving at a speed of 100 km/h, the minimum stopping distance is
Speeds of two identical cars are u are 4u at a specific instant. The ratio of the respective distances in which the two cars are stopped in the same time
Juggler keeps on moving four balls in the air continuously such that each ball attains 20 m height. When the first ball leaves his hand, the position of the other balls ( in metre height) will be
A man throws balls with the same speed vertically upwards one after the other at an interval of 2 seconds. What should be the speed of the throw so that more than two balls are in the sky at any time ?(Given g = 9.8 m/s²)
A ball is thrown vertically upward. It has a speed of 10 m/s when it has reached one half of its maximum height. How high does the ball rise ? (Taking g = 10 m/s²)
Two bodies, A (of mass 1kg) and B (of mass 3kg) are dropped from heights of 16 m and 25 m, respectively. The ratio of the time taken by them to reach the ground is :
The distance travelled by a particle starting from rest and moving with an acceleration 4/3 ms¯², in the third second is
If a ball is thrown vertically upwards at 40 m/s, its velocity after two seconds will be
A body A starts from rest with an acceleration a1. After 2 s another body B starts from rest with an acceleration a2. If they travel equal distances in 5th s, after the starts of A, the ratio a1 : a2 will be equal to :
A parachutist after bailing out falls 50 m without friction. When parachute opens, it decelerates at 2 m/s². He reaches the ground with a speed of 3 m/s. At what height , did he bail out?
A ball is released from the top of a tower of height h metres. It takes T seconds to reach the ground. What is the position of the ball in T/3 seconds?
