Which of the following factors is NOT required to obtain the maximum height of a projectile?
Correct answer: A. Mass
- A. Mass
- B. Angle
- C. Velocity
- D. Gravitational acceleration
Explanation
The mass of the projectile is irrelevant to the maximum height it can reach, as maximum height is dictated by the initial vertical velocity and gravitational pull. Mass affects the overall trajectory and range, not the apex height. In contrast, the angle and initial velocity are critical to achieving maximum height, as they determine the initial vertical velocity. Gravitational acceleration, while constant, affects the rate of ascent and descent, influencing the height indirectly by acting against the initial velocity.
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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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