Chapter 8 – Collisions
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On a frictionless surface, a block of mass M moving at speed υ collides elastically with another block of same mass M which is initially at rest. After collision the first block moves at an angle θ to its initial direction and has a speed υ/3. The second block’s speed after the collision is:
28
Aug
On a frictionless surface, a block of mass M moving at speed υ collides elastically with another block of same mass M which is initially at rest. After collision the first block moves at an angle θ to its initial direction and has a speed υ/3. The second block’s speed after the collision is: On [...]
Body A of mass 4m moving with speed u collides with another body B of mass 2m, at rest. The collision is head on and elastic in nature. After the collision the fraction of energy lost by the colliding body A is :
28
Aug
Body A of mass 4m moving with speed u collides with another body B of mass 2m, at rest. The collision is head on and elastic in nature. After the collision the fraction of energy lost by the colliding body A is : at rest. The collision is head on and elastic in nature. After [...]
A moving block having mass m, collides with another stationary block having mass 4m. The lighter block comes to rest after collision. When the initial velocity of the lighter block is v, then the value of coefficient of restitution (e) will be:
28
Aug
A moving block having mass m, collides with another stationary block having mass 4m. The lighter block comes to rest after collision. When the initial velocity of the lighter block is v, then the value of coefficient of restitution (e) will be: A moving block having mass m collides with another stationary block having mass [...]
A ball moving with velocity 2m/s collides head on with another stationary ball of double the mass. If coefficient of restitution is 0.5, then their velocities (in m/s) after collision will be :
28
Aug
A ball moving with velocity 2m/s collides head on with another stationary ball of double the mass. If coefficient of restitution is 0.5, then their velocities (in m/s) after collision will be : A ball moving with velocity 2m/s collides head on with another stationary ball of double the mass. If coefficient of restitution is [...]
A ball is thrown vertically downwards from a height of 20 m with an initial velocity υ0. It collides with the ground, loses 50 percent of its energy in collision and rebounds to the same height. The initial velocity υ0 is (Take g=10ms^−2)
28
Aug
A ball is thrown vertically downwards from a height of 20 m with an initial velocity υ0. It collides with the ground, loses 50 percent of its energy in collision and rebounds to the same height. The initial velocity υ0 is (Take g=10ms^−2) A ball is thrown vertically downwards from a height of 20 m [...]
Two particles of masses m1,m2 move with initial velocities u1 and u2. On collision, one of the particles get excited to higher level, after absorbing energy ϵ. If final velocities of particles be v1 and v2 then we must have
28
Aug
Two particles of masses m1,m2 move with initial velocities u1 and u2. On collision, one of the particles get excited to higher level, after absorbing energy ϵ. If final velocities of particles be v1 and v2 then we must have after absorbing energy ϵ. If final velocities of particles be v1 and v2 then we [...]
Two identical balls A and B having velocities of 0.5 m/s and -0.3 m/s respectively collide elastically in one dimension. The velocities of B and A after the collision respectively will be
28
Aug
Two identical balls A and B having velocities of 0.5 m/s and -0.3 m/s respectively collide elastically in one dimension. The velocities of B and A after the collision respectively will be Two identical balls A and B having velocities of 0.5 m/s and -0.3 m/s respectively collide elastically in one dimension. The velocities of [...]
The coefficient of restitution e for a perfectly elastic collision is
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Aug
The coefficient of restitution e for a perfectly elastic collision is The coefficient of restitution e for a perfectly elastic collision is August 24, 2020 Category: Chapter 8 - Collisions , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
Two identical ball A and B having velocities of +0.5m/s and -0.3m/s respectively collide elastically in one dimension. The velocities of B and A after the collision respectively will be
24
Aug
Two identical ball A and B having velocities of +0.5m/s and -0.3m/s respectively collide elastically in one dimension. The velocities of B and A after the collision respectively will be Two identical ball A and B having velocities of +0.5m/s and -0.3m/s respectively collide elastically in one dimension. The velocities of B and A after [...]
A moving body of mass m and velocity 3 km/h collides with a rest body of mass 2m and stick to it. Now the coalesced mass starts to move with a velocity
24
Aug
A moving body of mass m and velocity 3 km/h collides with a rest body of mass 2m and stick to it. Now the coalesced mass starts to move with a velocity A moving body of mass m and velocity 3 km/h collides with a rest body of mass 2m and stick to it. Now [...]