Chapter 10 – COM, Momentum and Collision
Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 10 - COM, Momentum and Collision
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 [...]
A particle of mass m moving with kinetic energy K, makes a head – on elastic collision with a stationary particle of mass ηm. The maximum potential energy stored in the system during the collision is
22
Oct
A particle of mass m moving with kinetic energy K, makes a head – on elastic collision with a stationary particle of mass ηm. The maximum potential energy stored in the system during the collision is A particle of mass m moving with kinetic energy K makes a head - on elastic collision with a [...]
The ball sticks to block C, then block C collides elastically , head – on with A. If the maximum compression is x0, the spring constant k is
22
Oct
The ball sticks to block C, then block C collides elastically , head – on with A. If the maximum compression is x0, the spring constant k is head - on with A. If the maximum compression is x0 The ball sticks to block C the spring constant k is then block C collides elastically [...]
Two identical blocks A and B , each of mass m resting on smooth floor are connected by a light spring of natural length L and spring constant k, with the spring at its natural length. A third identical block C (mass m) moving with a speed v along the line joining A and B collides with A. The maximum compression in the spring is
22
Oct
Two identical blocks A and B , each of mass m resting on smooth floor are connected by a light spring of natural length L and spring constant k, with the spring at its natural length. A third identical block C (mass m) moving with a speed v along the line joining A and B [...]
Tags:
each of mass m resting on smooth floor are connected by a light spring of natural length L and spring constant k ,
Two identical blocks A and B ,
with the spring at its natural length. A third identical block C (mass m) moving with a speed v along the line joining A and B collides with A. The maximum compression in the spring is ,
Initially spring is in its natural length . The block of mass 3kg in contact with rigid wall . The block of mass 1kg is pushed through a distance 4cm towards the wall and then released. The velocity of the center of mass when the block of mass 3kg breaks off the wall is (k=100N/m)
22
Oct
Initially spring is in its natural length . The block of mass 3kg in contact with rigid wall . The block of mass 1kg is pushed through a distance 4cm towards the wall and then released. The velocity of the center of mass when the block of mass 3kg breaks off the wall is (k=100N/m) [...]