A body can have constant velocity when it follow as:
Correct answer: D. Rectilinear path
- A. Elliptical path
- B. Parabolic path
- C. Circular path
- D. Rectilinear path
Explanation
Constant velocity requires both constant speed and constant direction; only rectilinear (straight-line) motion with unchanging speed satisfies this condition.
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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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