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:

    Options

    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.

    Options

    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.

    1fe88e00-7b92-4dc5-96aa-26e1bf94ea6b-1791891181717.webp

    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.

    Options

    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?

    Options

    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:

    Options

    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:

    da9b2262-fdd9-4f9a-9f0a-2f5aa7f4bf15-1791893787296.webp

    Options

    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 →