The collision between the two bodies is elastic if bodies are?
Correct answer: B. Solid and hard
- A. Solid and soft
- B. Solid and hard
- C. Hard and elastic
- D. Soft and elastic
Explanation
Elastic collisions ideally occur between hard bodies that do not deform appreciably, minimizing energy loss to deformation and heat; hence solid, hard bodies approximate elastic collisions.
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About Force and Motion
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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