Free physics question bank
Collisions: Elastic & Inelastic questions with solutions
Practice Center of maas , Momentum and Collision for JEE Main, JEE Advanced, NEET, and Classes 11–12. Attempt each question, then open it for the full solution.
Showing 1–10 of 84 questions
- MCQeasyCenter of maas , Momentum and Collision
A particle of mass m moving with velocity v collides with a stationary particle of mass 2m. After collision they stick together. Their common velocity is:
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JEE Mains10 April 2023Shift 1Morning Shift
Open question & full solution → - MCQmediumCenter of maas , Momentum and Collision
A mass m moves at speed v along +x and sticks to a mass 3m moving at speed 2v along +y. Determine velocity of the combined mass.
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NEET 2021AIPMT Mains 2012NEET
Open question & full solution → - ParagraphmediumCenter of maas , Momentum and Collision
Three carts on a frictionless track collide and stick successively. A: m₁=2 kg, v₁=+1 m s⁻¹; B: m₂=1 kg, v₂=+1 m s⁻¹; C: m₃=2 kg, v₃=-2 m s⁻¹, as shown.

Sub-question 1
Loss of mechanical energy when B and C stick is (J):
Sub-question 2
Magnitude of impulse on A when it later sticks to combined (B+C) is (N s):
JEE Advanced
Open question & full solution → - MCQmediumCenter of maas , Momentum and Collision
Identical balls A and B move with velocities +0.5 m s⁻¹ and -0.3 m s⁻¹ respectively and undergo a head-on elastic collision. Find the velocities of B and A after collision, respectively.
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NEET Phase-II 2016
Open question & full solution → - MCQmediumCenter of maas , Momentum and Collision
An object falls from a height of 10 m. After impacting the ground it loses 50% of its kinetic energy. To what height will it rebound?
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Re-NEET 2024
Open question & full solution → - ParagraphmediumCenter of maas , Momentum and Collision
A body is thrown vertically upward from ground with speed 10 m s⁻¹. Coefficient of restitution with ground is e=1/2. Take g=10 m s⁻².
Sub-question 1
Total distance travelled before it almost stops is (m):
Sub-question 2
Time elapsed when it is at its subsequent maximum height for the third time is (s):
JEE Advanced
Open question & full solution → - Multi-correctmediumCenter of maas , Momentum and Collision
n identical blocks lie in a line on a smooth surface, separation L between adjacent near faces. The first is given speed v toward the next; all collisions are perfectly inelastic. Which statements are correct?
Select all that apply
JEE Advanced
Open question & full solution → - MCQmediumCenter of maas , Momentum and Collision
A ball is projected horizontally with speed u from a height h above a smooth horizontal floor. The coefficient of restitution with the floor is e. The horizontal distance travelled between the first and second collisions with the floor is:
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JEE MainsNEETJEE Advanced
Open question & full solution → - MCQmediumCenter of maas , Momentum and Collision
A smooth washer of mass m strikes a cluster of three identical smooth blocks, each mass m, as shown. Washer diameter and height equal block edge. Velocity of blocks 2 and 3 after collision is:

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JEE Advanced
Open question & full solution → - Multi-correctmediumCenter of maas , Momentum and Collision
Balls A (1 kg) and B (2 kg) move at 21 m s⁻¹ and 4 m s⁻¹ in opposite directions and collide head-on. After collision A moves at 1 m s⁻¹ in the same direction. Which statements are correct?
Select all that apply
JEE Advanced
Open question & full solution →