15 JEE Main 2019 Center of Mass Momentum and Collision previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 previous-year questions from the Center of Mass Momentum and Collision chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Center of Mass Momentum and Collision chapter hub.
If 10 22 gas molecules each of mass 10 - 26 kg collides with a surface (perpendicular to it) elastically per second ove…
Three particles of masses 50 g , 100 g and 150 g are placed at the vertices of an equilateral triangle of side 1 m (as…
Two particles of masses M and 2 M are moving with speeds of 10 m s - 1 and 5 m s - 1 , as shown in the figure. They col…
Three blocks A ,   B and C are lying on a smooth horizontal surface, as shown in the figure. A and B have equal ma…
An alpha- particle of mass m suffers 1 - dimensional elastic collision with a nucleus at rest of unknown mass. It is sc…
A uniform rectangular thin sheet A B C D of mass M has length a and breadth b , as shown in the figure. If the shaded p…
A body of mass 2   k g makes an elastic collision with a second body at rest and continues to move in the original…
A particle of mass m is moving with speed 2 v and collides with a mass 2 m moving with speed v in the same direction. A…
A body of mass 1 ~kg falls freely from a height of 100 ~m, on a platform of mass 3 ~kg which is mounted on a spring hav…
The position vector of the center of mass r → cm of an asymmetric uniform bar of negligible area of cross-section…
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