2016 02 Level 1 or 2?

Classical Mechanics Level 3

A rocket is fired upwards. Its engine explodes fully in 12 seconds. The height (in meters) reached by rocket as calculated from its velocity-time graph is __________ \text{\_\_\_\_\_\_\_\_\_\_}

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The answer is 79200.

Anandhu Raj by Anandhu Raj , 23, India

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1 solution

Anandhu Raj
Feb 2, 2016

The height reached by rocket = Area under the graph = 1 2 × 1200 × 132 = 79200 m \frac { 1 }{ 2 } \times 1200\times 132 = 79200m

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