Projectile when launched at 90 degrees to the horizontal then its trajectory is _.
Correct answer: D. None of the above
- A. Parabolic
- B. Periodic
- C. Hyperbolic trajectory
- D. None of the above
Explanation
When a projectile is launched at 90 degrees with respect to the horizontal, it moves vertically upward and then falls back down under the influence of gravity. Its trajectory is a simple vertical line, not a parabolic, periodic or hyperbolic curve.
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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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