A projectile is launched at point O and follows the path OPQRS, as shown, Air resistance may be neglected. Which statement is true for the projectile when it is at the highest point Q of its path?
Correct answer: A. The horizontal component of the projectiles acceleration is zero
- A. The horizontal component of the projectiles acceleration is zero
- B. The kinetic energy of the projectile is zero
- C. The horizontal component of the projectile's velocity is zero
- D. The momentum of the projectile is zero
Explanation
The horizontal component of the projectile's acceleration is zero at point Q.
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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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