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A 1,198 N sky diver has opened his parachute to slow his descent to a constant speed the parachute applies 1,277 N of force. He experiences a 7.5 m/s2 deceleration. What is the mass of the sky diver?

Respuesta :

skyluke89

The mass of the skydiver is 122.2 kg

Explanation:

We can solve the problem by using the concept of weight.

The weight of a body is the force of gravity acting on the body; near the Earth's surface, its magnitude is given by

[tex]W=mg[/tex]

where

m is the mass of the body

[tex]g=9.8 m/s^2[/tex] is the acceleration of gravity

In this problem, we know the weight of the skydiver:

W = 1198 N

So we can re-arrange the equation to find its mass:

[tex]m=\frac{W}{g}=\frac{1198}{9.8}=122.2 kg[/tex]

Learn more about weight here:

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