Two bodies are projected with the same velocity. If one is projected at an angle of 30o and the other at an angle of 60o to the horizontal, the ratio of the maximum heights reached is:

Correct answer: B. 1 : 3

  • A. 3 : 1
  • B. 1 : 3
  • C. 1 : 2
  • D. 2 : 1

Explanation

This is the correct solution:When comparing the maximum heights of two bodies projected at 30° and 60° to the horizontal with the same initial velocity, the ratio is 1:3.Explanation of other options:Option A, C, and D are incorrect as they do not consider the impact of the angle of projection on the vertical component of velocity and the maximum height reached. The correct ratio is 1:3 as explained in Option B.

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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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