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Velocity of COM

Rockets gain ...

Question

Rockets gain extremely high velocities due to conservation of momentum.

A

False

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B

True

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Solution

The correct option is B True
When a rocket ascends, it releases gases from exhaust. The total momentum of the rocket gas system remains constant. As the momentum of the gas is in downward direction, the direction of momentum of the rocket is in the upward direction.

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Q. The rockets work on the principle of conservation of :

(a) mass
(b) energy
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Q. Question 7
Rocket works on the principle of conservation of
(a) mass
(b) energy
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Q. Rocket works on the principle of conservation of linear momentum.

Q. Assertion :A rocket works on the principle of conservation of linear momentum. Reason: Whenever there is the change in momentum of one body, the same change occurs in the momentum of the second body of the same system but in the opposite direction.

Q. State whether true or false.

A rocket works on the principle of law of conservation of linear momentum.

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