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A rocket is fired upwards. Its engine explodes fully in 12 s . The height reached by the rocket as calculated from its velocity-time graph is

Options

  1. A79200 m
  2. B158400 m
  3. C18400 m
  4. D15400 m

Correct answer

A. 79200 m

Step-by-step solution

The height reached by rocket is equal to the area under the velocity-time graph h = 1 2 × 132 × 1200 h = 79200 m

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