When the speed of body is doubled, its momentum becomes:
Correct answer: B. Doubled
- A. Halved
- B. Doubled
- C. Tripled
- D. Remains same
Explanation
The momentum of a body is given by the product of its mass and velocity. So, if the speed (or velocity) of the body is doubled, its momentum will also be doubled.
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Displacement, velocity and acceleration describe motion, including the horizontal and vertical components of projectile motion. The chapter connects these quantities with Newton's laws, momentum and impulse, then applies conservation of momentum to collisions, distinguishing elastic collisions from inelastic ones.
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