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Velocity versus displacement graph of a particle moving in a straight line as shown in Fig. The acceleration of the particle is
18
Oct
Velocity versus displacement graph of a particle moving in a straight line as shown in Fig. The acceleration of the particle is Velocity versus displacement graph of a particle moving in a straight line as shown in Fig. The acceleration of the particle is October 18, 2020 Category: Arihant Physics by D.C Pandey , Chapter [...]
A particle is dropped from point A at a certain height from ground. It falls freely and passes through three points B,C and D with BC=CD. The time taken by the particle to move from B to CD is 2s and from C to D is 1s. The time taken to move from A to B is
18
Oct
A particle is dropped from point A at a certain height from ground. It falls freely and passes through three points B,C and D with BC=CD. The time taken by the particle to move from B to CD is 2s and from C to D is 1s. The time taken to move from A to [...]
One stone is dropped from a tower from rest and simultaneously another stone is projected vertically upwards from the tower with some initial velocity. The graph of distance (s) between the two stones varies with time (t) as (before either stone hits the ground).
18
Oct
One stone is dropped from a tower from rest and simultaneously another stone is projected vertically upwards from the tower with some initial velocity. The graph of distance (s) between the two stones varies with time (t) as (before either stone hits the ground). Average velocity of a particle moving in a straight line with [...]
A smooth square platform ABCD is moving towards right with a uniform speed v. At what angle θ must a particle be projected from A with speed u so that it strikes the point B.
18
Oct
A smooth square platform ABCD is moving towards right with a uniform speed v. At what angle θ must a particle be projected from A with speed u so that it strikes the point B. A smooth square platform ABCD is moving towards right with a uniform speed v. At what angle θ must a [...]
Ball A is dropped from the top of a building. At the same instant ball B is thrown vertically upwards from the ground. When the balls collide, they are moving in opposite direction and the speed of A is twice the speed of B. At what fraction of the height of the building did the collision occurs ?
18
Oct
Ball A is dropped from the top of a building. At the same instant ball B is thrown vertically upwards from the ground. When the balls collide, they are moving in opposite direction and the speed of A is twice the speed of B. At what fraction of the height of the building did the [...]
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Ball A is dropped from the top of a building. At the same instant ball B is thrown vertically upwards from the ground. When the balls collide ,
they are moving in opposite direction and the speed of A is twice the speed of B. At what fraction of the height of the building did the collision occurs ? ,
A ball projected upwards from the foot of a tower. The ball crosses the top of the tower twice after an interval of 6s and the ball reaches the ground after 12s.The height of the tower is (g = 10m/s^2) :
18
Oct
A ball projected upwards from the foot of a tower. The ball crosses the top of the tower twice after an interval of 6s and the ball reaches the ground after 12s.The height of the tower is (g = 10m/s^2) : Average velocity of a particle moving in a straight line with constant acceleration a [...]
A juggler maintains four balls in motion, making each to them to rise a height of 20 m from his hand. What time interval should he maintain, for the proper distance between them.
18
Oct
A juggler maintains four balls in motion, making each to them to rise a height of 20 m from his hand. What time interval should he maintain, for the proper distance between them. A juggler maintains four balls in motion for the proper distance between them. making each to them to rise a height of [...]
Two short magnets of equal dipole moments M are fastened perpendicularly at their centres (figure). The magnitude of the magnetic field at a distance d from the centre on the bisector of the right angle is
18
Oct
Two short magnets of equal dipole moments M are fastened perpendicularly at their centres (figure). The magnitude of the magnetic field at a distance d from the centre on the bisector of the right angle is The magnet of a vibration magnetometer is heated so as to reduce its magnetic moment by 36 %. By [...]
Two magnets A and B are identical and these are arranged as shown in the figure. Their length is negligible in comparison to the separation between them. A magnetic needle is placed between the magnets at point P which gets deflected through an angle θ under the influence of magnets. The ratio of distance d1 and d2 will be
18
Oct
Two magnets A and B are identical and these are arranged as shown in the figure. Their length is negligible in comparison to the separation between them. A magnetic needle is placed between the magnets at point P which gets deflected through an angle θ under the influence of magnets. The ratio of distance d1 [...]
A short bar magnet with the north pole facing north forms a neutral point at P in the horizontal plane. If the magnet is rotated by 90 o in the horizontal plane, the net magnetic induction at P is ( Horizontal component of earth’s magnetic field = B H ):
18
Oct
A short bar magnet with the north pole facing north forms a neutral point at P in the horizontal plane. If the magnet is rotated by 90 o in the horizontal plane, the net magnetic induction at P is ( Horizontal component of earth’s magnetic field = B H ): A short bar magnet with [...]