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A force – time graph for a linear motion is shown in the figure where the segments are circular. The linear momentum gained between zero and 8s is
22
Oct
A force – time graph for a linear motion is shown in the figure where the segments are circular. The linear momentum gained between zero and 8s is A force - time graph for a linear motion is shown in the figure where the segments are circular. The linear momentum gained between zero and 8s [...]
In the figure given below, the position-time graph of a particle of mass 0.1kg is shown. The impulse at t=2 sec is
22
Oct
In the figure given below, the position-time graph of a particle of mass 0.1kg is shown. The impulse at t=2 sec is In the figure given below the position-time graph of a particle of mass 0.1kg is shown. The impulse at t=2 sec is October 22, 2020 Category: Cengage NEET by C.P Singh , Chapter [...]
If two balls each of mass 0.06kg moving in opposite directions with speed 4m/s collide and rebound with the same speed , then the impulse imparted to each ball due to other is
22
Oct
If two balls each of mass 0.06kg moving in opposite directions with speed 4m/s collide and rebound with the same speed , then the impulse imparted to each ball due to other is If two balls each of mass 0.06kg moving in opposite directions with speed 4m/s collide and rebound with the same speed then [...]
A disc of mass 10g is kept floating horizontally by throwing 10marbles/second against it from below. If the mass of each marble is 5g , the velocity with which marbles are striking the disc (the marbles strike the disc normally and rebound downward with the same speed)
22
Oct
A disc of mass 10g is kept floating horizontally by throwing 10marbles/second against it from below. If the mass of each marble is 5g , the velocity with which marbles are striking the disc (the marbles strike the disc normally and rebound downward with the same speed) A disc of mass 10g is kept floating [...]
n balls each of mass m impinge elastically each second on a surface with velocity u. The force experienced by the surface will be
22
Oct
n balls each of mass m impinge elastically each second on a surface with velocity u. The force experienced by the surface will be n balls each of mass m impinge elastically each second on a surface with velocity u. The force experienced by the surface will be October 22, 2020 Category: Cengage NEET by [...]
A metal ball and a rubber ball , both having the same mass , strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that
22
Oct
A metal ball and a rubber ball , both having the same mass , strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that A metal ball and a rubber ball both having the same mass strike a wall normally with [...]
A ball of mass m is dropped onto a floor from a certain height. The collision is perfectly elastic and the ball rebounds to the same height and again falls. The average force exerted by the ball on the floor during a long time interval is
22
Oct
A ball of mass m is dropped onto a floor from a certain height. The collision is perfectly elastic and the ball rebounds to the same height and again falls. The average force exerted by the ball on the floor during a long time interval is A particle of mass m moving with kinetic energy [...]
In head – on collision between two particles A and B of same mass , A is moving with momentum 15kgm/s , B is stationary . During the impact , B gives impulse 10N−s to A . The coefficient of restitution is
22
Oct
In head – on collision between two particles A and B of same mass , A is moving with momentum 15kgm/s , B is stationary . During the impact , B gives impulse 10N−s to A . The coefficient of restitution is A is moving with momentum 15kgm/s B gives impulse 10N−s to A . [...]
A ball of 50g strikes a smooth wall with speed 20m/s as shown. If collision is elastic and contact period is as shown . If collision is elastic and contact period is 2×10^−3s , the force exerted by the wall on the ball is
22
Oct
A ball of 50g strikes a smooth wall with speed 20m/s as shown. If collision is elastic and contact period is as shown . If collision is elastic and contact period is 2×10^−3s , the force exerted by the wall on the ball is A ball of 50g strikes a smooth wall with speed 20m/s [...]
Two trolleys of mass m and 3m are attached by a spring. The spring was compressed and then released , they move off in opposite direction and comes to rest after covering distances s1 and s2 respectively. Assuming the coefficient of friction to be uniform , the ratio of distances s1:s2 is
22
Oct
Two trolleys of mass m and 3m are attached by a spring. The spring was compressed and then released , they move off in opposite direction and comes to rest after covering distances s1 and s2 respectively. Assuming the coefficient of friction to be uniform , the ratio of distances s1:s2 is the ratio of [...]