A projectile is launched with vertical kinetic energy, K, at an angle of 8. Its variation with kinetic energy is?
Correct answer: A. Parabolic
- A. Parabolic
- B. Periodic
- C. Hyperbolic trajectory
- D. Linear
Explanation
Projectile motion is parabolic because the vertical position of the object is influenced only by a constant acceleration and also because horizontal velocity is generally constant. Put simply, basic projectile motion is parabolic because of its related equation of motion.
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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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