The range of projectile is the same for two angles which are mutually:
Correct answer: C. Complementary
- A. Perpendicular
- B. Supplementary
- C. Complementary
- D. 270̇°
Explanation
Two angles are complementary if their sum is 90 degrees. As explained previously, the range equation involves sin2θ. Because sin(180° - 2θ) = sin2θ, the range will be the same for angles θ and (90° - θ), which are complementary.
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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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