A ball is just allowed to fall from the window of a moving train it will hit the ground following
Correct answer: D. Parabolic path
- A. Circular path
- B. Hyperbolic path
- C. Straight line path
- D. Parabolic path
Explanation
When a ball is allowed to fall from the window of a moving train, it will follow a parabolic path. The motion of the ball can be described as a combination of horizontal motion (due to the train's velocity) and vertical free fall (due to gravity). As a result, the trajectory traced by the ball is a parabola.
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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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