The angle θ that the projectile makes with the horizontal at any time t during its flight is given by:
Correct answer: D. Option D
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation
The angle θ that the projectile makes with the horizontal at any time t during its flight is not constant. It changes as the object moves through its trajectory due to the forces acting on it. Option D is correct because it acknowledges this changing angle as a function of time in projectile motion.
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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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