Volume 1
Two particles are projected from the same point on ground simultaneously with speeds and 20m/s and 20/3–√ at angles 30^∘ and 60^∘ with the horizontal in the same direction. The maximum distance between them till both of them strike the ground is approximately (g=10m/s^2)
18
Oct
Two particles are projected from the same point on ground simultaneously with speeds and 20m/s and 20/3–√ at angles 30^∘ and 60^∘ with the horizontal in the same direction. The maximum distance between them till both of them strike the ground is approximately (g=10m/s^2) A very broad elevator is going up vertically with a constant [...]
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A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s ,
relative to the floor at an elevation of 30^o. The time taken by the ball to return the floor is (g = 10m/s^2 ) ,
A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s, relative to the floor at an elevation of 30^o. The time taken by the ball to return the floor is (g = 10m/s^2 )
18
Oct
A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s, relative to the floor at an elevation of 30^o. The time taken by the ball to return the [...]
Tags:
A very broad elevator is going up vertically with a constant acceleration of 2m/s^2. At the instant when its velocity is 4m/s a ball is projected from the floor of the lift with a speed of 4m/s ,
relative to the floor at an elevation of 30^o. The time taken by the ball to return the floor is (g = 10m/s^2 ) ,
A particle is moving in a straight line. Particle was initially at rest. Acceleration versus time graph is shown in figure. Acceleration of particle is given by a = 3 sin πt in m/s^2. The time (in s) when the particle comes to rest is
18
Oct
A particle is moving in a straight line. Particle was initially at rest. Acceleration versus time graph is shown in figure. Acceleration of particle is given by a = 3 sin πt in m/s^2. The time (in s) when the particle comes to rest is A particle is moving in x−y plane with y=x/2 and [...]
Two particles A and B start from the origin along x-axis. Velocity time graph of both particles are shown in the figure. During the given time interval, the maximum separation between the particles is
18
Oct
Two particles A and B start from the origin along x-axis. Velocity time graph of both particles are shown in the figure. During the given time interval, the maximum separation between the particles is the maximum separation between the particles is Two particles A and B start from the origin along x-axis. Velocity time graph [...]
Two particles having position vectors r1 =(3iˆ+5jˆ)meters and r2=(−5iˆ−3jˆ) metres are moving with velocities v1=(4iˆ+3jˆ)m/s and v2=(αiˆ+7jˆ)m/s. If they collide after 2s, the value of α is
18
Oct
Two particles having position vectors r1 =(3iˆ+5jˆ)meters and r2=(−5iˆ−3jˆ) metres are moving with velocities v1=(4iˆ+3jˆ)m/s and v2=(αiˆ+7jˆ)m/s. If they collide after 2s, the value of α is the value of α is Two particles having position vectors r1 =(3iˆ+5jˆ)meters and r2=(−5iˆ−3jˆ) metres are moving with velocities v1=(4iˆ+3jˆ)m/s and v2=(αiˆ+7jˆ)m/s. If they collide after 2s October [...]
The string in fig. is passing over small smooth pulley rigidly attached to trolley A. the trolley is moving horizontally with the speed vA. Speed of the block B at the instant shown in figure is
18
Oct
The string in fig. is passing over small smooth pulley rigidly attached to trolley A. the trolley is moving horizontally with the speed vA. Speed of the block B at the instant shown in figure is The string in fig. is passing over small smooth pulley rigidly attached to trolley A. the trolley is moving [...]
A particle moves along the positive x axis with an acceleration ax which increases linearly with x, as shown in the graph. If the velocity of the particle at
18
Oct
A particle moves along the positive x axis with an acceleration ax which increases linearly with x, as shown in the graph. If the velocity of the particle at A particle moves along the positive x axis with an acceleration ax which increases linearly with x as shown in the graph. If the velocity of [...]
The acceleration of a particle which moves along the positive x-axis varies with its position as shown in figure. If the velocity of the particle is 0.8ms−1 at x = 0, then velocity of the particle at x=1.4m is ( in ms^−1).
18
Oct
The acceleration of a particle which moves along the positive x-axis varies with its position as shown in figure. If the velocity of the particle is 0.8ms−1 at x = 0, then velocity of the particle at x=1.4m is ( in ms^−1). The acceleration of a particle which moves along the positive x-axis varies with [...]
A particle is moving along x-axis with constant acceleration. At t = 0, the particle is at x = 3 m and dx/dt = + 4 m/s. The maximum value of x co-ordinate of the particle is observed 2 seconds later. Starting from t=0 sec, after what time, particle reaches its initial position again?
18
Oct
A particle is moving along x-axis with constant acceleration. At t = 0, the particle is at x = 3 m and dx/dt = + 4 m/s. The maximum value of x co-ordinate of the particle is observed 2 seconds later. Starting from t=0 sec, after what time, particle reaches its initial position again? A [...]
A particle moves in x−y plane, starting from A along straight line path AB and BC as shown in the graph. When it is at point P angle between directions of its average velocity and instantaneous velocity is [tan37∘=3/4]
18
Oct
A particle moves in x−y plane, starting from A along straight line path AB and BC as shown in the graph. When it is at point P angle between directions of its average velocity and instantaneous velocity is [tan37∘=3/4] A particle moves in x−y plane starting from A along straight line path AB and BC [...]