Part 1
A particle is projected vertically upwards at 30 m/s. The distance travelled in the 1 s of motion is ( take g = 10 m/s^-2)
09
Sep
A particle is projected vertically upwards at 30 m/s. The distance travelled in the 1 s of motion is ( take g = 10 m/s^-2) A particle is projected vertically upwards at 30 m/s. The distance travelled in the 1 s of motion is ( take g = 10 m/s^-2) September 9, 2020 Category: Chapter [...]
A train 200 m long enters at 5 m/s and exits at 3 m/s from a bridge 300 m long. The time taken by it is
09
Sep
A train 200 m long enters at 5 m/s and exits at 3 m/s from a bridge 300 m long. The time taken by it is A train 200 m long enters at 5 m/s and exits at 3 m/s from a bridge 300 m long. The time taken by it is September 9, 2020 [...]
A stone falls freely from rest, and the total distance covered by it in the last second of its motion, equals the distance covered by it in the first three seconds of its motion. The stone remains in the air of
09
Sep
A stone falls freely from rest, and the total distance covered by it in the last second of its motion, equals the distance covered by it in the first three seconds of its motion. The stone remains in the air of A stone falls freely from rest and the total distance covered by it in [...]
A body A is thrown up vertically from the ground with velocity vo and another body B is simultaneously dropped from a height H. They meet at a height 2/H if vo is equal to
09
Sep
A body A is thrown up vertically from the ground with velocity vo and another body B is simultaneously dropped from a height H. They meet at a height 2/H if vo is equal to A body A is thrown up vertically from the ground with velocity vo and another body B is simultaneously dropped [...]
A bullet on penetrating 30 cm into its target loses its velocity by 50%. What additional distance will it penetrate into the target before it comes to rest ?
09
Sep
A bullet on penetrating 30 cm into its target loses its velocity by 50%. What additional distance will it penetrate into the target before it comes to rest ? A bullet on penetrating 30 cm into its target loses its velocity by 50%. What additional distance will it penetrate into the target before it comes [...]
A ball is dropped from the roof of a tower of height h. The total distance covered it in the last seconds of its motion is equal to the distance covered by it in first three seconds. The value of h (g=10m/s^2)
09
Sep
A ball is dropped from the roof of a tower of height h. The total distance covered it in the last seconds of its motion is equal to the distance covered by it in first three seconds. The value of h (g=10m/s^2) A body starting from rest moves with constant acceleration. The ratio of distance [...]
A person throws balls into air vertically upward in regular intervals of time of one second. The next ball is thrown when the velocity of the ball thrown earlier becomes zero. The height to which the balls rise is (Assume, g=10ms^−2)
09
Sep
A person throws balls into air vertically upward in regular intervals of time of one second. The next ball is thrown when the velocity of the ball thrown earlier becomes zero. The height to which the balls rise is (Assume, g=10ms^−2) If the displacement of a body varies as the square of elasped time then [...]
A body starting from rest moves with constant acceleration. The ratio of distance covered by the body during the 5th sec to that covered in 5 sec is
09
Sep
A body starting from rest moves with constant acceleration. The ratio of distance covered by the body during the 5th sec to that covered in 5 sec is A body starting from rest moves with constant acceleration. The ratio of distance covered by the body during the 5th sec to that covered in 5 sec [...]
A man runs at a speed of 4.0m/s to overtake a standing bus. When he is 6.0m behind the door (at t=0), then bus moves forward and continues with a constant acceleration of 1.2m/s^2. The man shall access the door at time t equal to:
09
Sep
A man runs at a speed of 4.0m/s to overtake a standing bus. When he is 6.0m behind the door (at t=0), then bus moves forward and continues with a constant acceleration of 1.2m/s^2. The man shall access the door at time t equal to: A man runs at a speed of 4.0m/s to overtake [...]
A man is at a distance of 6m from a bus. The bus begins to move with a constant acceleration of 3 ms^−2. In order to catch the bus, the minimum speed with the man should run towards the bus is.
09
Sep
A man is at a distance of 6m from a bus. The bus begins to move with a constant acceleration of 3 ms^−2. In order to catch the bus, the minimum speed with the man should run towards the bus is. A man is at a distance of 6m from a bus. The bus begins [...]