Sky diving

Classical Mechanics Level 2

Michelle is a professional sky diver. One day, she sky dives from 500 m from the ground. As she is falling, she reaches terminal velocity. At this point what is her acceleration? (In m/s^2).


The answer is 0.

James Browner by James Browner , 22, USA

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2 solutions

Jordan Cahn
Dec 7, 2018

At terminal velocity, velocity is constant. Therefore acceleration is 0.

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As far as my knowledge is concerned, I never came across acceleration being expressed by Newton, maybe you should change that and write ms − 2 ^{-2} or kmh − 2 ^{-2} .

A Former Brilliant Member - 2 years, 6 months ago

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I have fixed the problem

James Browner - 2 years, 6 months ago

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Should be m / s 2 m/s^2 -- m/s is a unit of velocity.

Jordan Cahn - 2 years, 6 months ago
Arindam Ghosh
Dec 9, 2019

As "she reaches terminal velocity" her velocity becomes maximum and constant. So there is no acceleration .

Answer = 0 m s − 2 ms^{-2}

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