Question
12 A 60.0-kg woman who runs up a 3.00 m high flight of stairs in 3.50...
12 A 60.0-kg woman who runs up a 3.00 m high flight of stairs in 3.50 s, starting from rest but having a final speed of 2.00 m/s? What is the final potential energy. A) 126 J B) 110W C) 153 J D) 120 J E) 140 J
13 A 100 g ball move upward with a velocity of 10 m/s from ground level in a free fall movement. What is the kinetic energy for the ball at ground level?
Answers
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(12) m=60kg ; h=3 m ;t=3.5 see uzo; v=22/ Final potential energy = mgh = Gox9.8+ 3 =[1764] Joules Final kinetic energy = 2 m = 1+60+(2) 112 of Joules Kinetic energy of ball at ground level 43) = Į muz = (leCrabe Q = (5 July
![(12) m=60kg ; h=3 m ;t=3.5 see uzo; v=22/ Final potential energy = mgh = Gox9.8+ 3 =[1764] Joules Final kinetic energy = 2 m](https://i.imgur.com/SlVTOxT.jpeg)
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