When a 65 kg skydiver jumps from a plane, her speed steadily increases until increases air resistance provides a force that balances the force due to free fall. How fast is the skydiver falling if her kinetic energy at the moment is 704,000 J?

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Answer 1 · 2018-03-05T16:42:40

She is moving at a speed of #147.18 ms^-1#

We can say , at any moment the skydiver is having a kinetic energy of #1/2 mv^2# (where, #m# is her mass and #v# is the velocity at that point)

Given, #1/2mv^2 =704000#

and,#m=65Kg#

So,putting the values we get,

#v=147.18 ms^-1#