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A bullet is fired vertically up from a 400 m tall tower with a speed 80 ~m / s . If g is taken as 10 ~m / s ^2 , the time taken by the bullet to reach the ground will be

Options

  1. A8 s
  2. B16 s
  3. C20 s
  4. D24 s

Correct answer

C. 20 s

Step-by-step solution

The correct answer is option (C)

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