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Linear Momentum & Its Conservation 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 58 questions

  • NumericmediumCenter of maas , Momentum and Collision

    At the highest point, a projectile of mass 4m has velocity (20, 0) m/s. It explodes into two fragments of masses m and 3m. Immediately after the explosion, the fragment of mass m moves vertically upward with velocity (0, 20) m/s. If the speed of the 3m fragment is 20√N/3 m/s, find N.

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  • MCQeasyCenter of maas , Momentum and Collision

    100 balls each of mass m moving with speed v simultaneously strike a wall normally and are reflected back with same speed in time t s. The total force exerted by the balls on the wall is:

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    JEE Mains31 January 2023Shift 1Morning Shift

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  • ParagraphmediumCenter of maas , Momentum and Collision

    Cars A (4 kg) and B (2 kg) are initially at rest and tied with a compressed spring between them. The tie is burned; A moves away at 2 m s⁻¹.

    Sub-question 1

    Speed of car B is (m s⁻¹):

    Sub-question 2

    Energy initially stored in the spring is (J):

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  • MatchmediumCenter of maas , Momentum and Collision

    Blocks A (m) and B (2m) are connected by a spring k on a smooth surface. Initially spring is relaxed, A has speed u right and B is at rest. Match.

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    List 1

    1. (A) Velocity of A

    2. (B) Velocity of B

    3. (C) Kinetic energy of two-block system

    4. (D) Spring potential energy

    List 2

    1. (P) Can never be zero

    2. (Q) May be zero at certain instants

    3. (R) Is minimum at maximum compression

    4. (S) Is maximum at maximum extension

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    JEE Advanced

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  • MCQmediumCenter of maas , Momentum and Collision

    A block slides on a plank on smooth ground. Friction coefficient is μ and the block becomes stationary relative to the plank before reaching its end. Which statement is incorrect?

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  • MCQmediumCenter of maas , Momentum and Collision

    A shell explodes during flight into four unequal parts. Which quantity is conserved during the brief explosion?

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    AIPMT 1998NEET

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  • Multi-correctmediumCenter of maas , Momentum and Collision

    A bag of mass M hangs by a long thread and a bullet of mass m moving horizontally with speed v gets caught in the bag. For the combined system (bag + bullet), which statements are correct?

    Select all that apply

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  • MCQeasyCenter of maas , Momentum and Collision

    Two bodies of mass 4 g and 25 g are moving with equal kinetic energies. The ratio of magnitude of their linear momentum is :

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    JEE Mains 2024

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  • MCQmediumCenter of maas , Momentum and Collision
    1. A box of mass M rests on a smooth floor. A small block of mass m inside it is given speed v₀ relative to the floor and repeatedly bounces between the walls. When the block finally comes to rest relative to the box, the final speed of the box is:

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  • MCQeasyCenter of maas , Momentum and Collision

    A body of mass 1000 kg is moving horizontally with a velocity 6 m/s. If 200 kg extra mass is added, the final velocity (in m/s) is:

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    JEE Mains 2024

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