# A helicopter’s speed increases from 25 m/s to 60 m/s in 5 seconds. What is the acceleration of this helicopter?

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Chirag Mehta
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Mar 20, 2018

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Let acceleration be

Initial velocity be

Final velocity be

**In newtonian physics**

**In modern physics**

we need to consider time dilation.

since the velocities are too small the results would be same to more than 5 decimal places..

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