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Joe decides to jump out of an airplane from rest (with a parachute of course!).  What will Joe’s velocity be after 5 seconds? (Air resistance is neglected)
in Physics by Diamond (74,874 points)
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2 Answers

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Vf= Vi+ at  AT REST VELOCITY IS ZERO, TAKING DOWNWARD AS POSITIVE 

= 0+ 9.8(5)

= 49 m/s downwards

by Wooden (2,658 points)
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Vi=0 t=5sec a=9.8m/s^2

Vf=Vi +at

=0 +9.8x5

=49m/s
by Wooden (1,084 points)

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