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COMEDK2023PhysicsMotion in One Dimension

A ball is projected horizontally with a velocity of 5 ~ms ⁻¹ from the top of a building 19.6 ~m high. How long will the ball take to hit the ground?

Options

  1. A2 ~s
  2. B2 ~s
  3. C3 ~s
  4. D3 s

Correct answer

B. 2 ~s

Step-by-step solution

The time taken to hit the ground is given by T= 2 H g = 2 19.6 9.8 =2 ~s

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