Center of Mass and Collision · Physics · COMEDK

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MCQ (Single Correct Answer)

COMEDK 2023 Morning Shift
In the figure, pendulum bob on left side is pulled a side to a height $$h$$ from its initial position. After it is released it collides with the right...
COMEDK 2023 Morning Shift
In the diagram shown below, $$m_1$$ and $$m_2$$ are the masses of two particles and $$x_1$$ and $$x_2$$ are their respective distances from the origin...
COMEDK 2023 Evening Shift
A neutron makes a head on elastic collision with a lead nucleus. The ratio of nuclear mass to neutron mass is 206 . The fractional change in kinetic e...
COMEDK 2022
A bullet of mass $m$ hits a mass $$M$$ and gets embedded in it. If the block rises to a height $$h$$ as a result of this collision, the velocity of th...
COMEDK 2022
From a circular disc of radius R, a square is cut out with a radius as its diagonal. The centre of mass of remaining portion is at a distance (from th...
COMEDK 2021
Which of the following quantity represents the dimensions of momentum?
COMEDK 2021
Centre of mass of the given system of particles will be at ...
COMEDK 2021
When two bodies collide with each other such that their kinetic energy remains constant. Their collision is said to be
COMEDK 2020
A body of mass 1000 kg is moving horizontally with a velocity 50 m/s. A mass of 250 kg is added. Find the final velocity.
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