asked 74.9k views
1 vote
The fastest that a human has run is about 12m/s

(a) If a pole vaulter could run this fast and convert all of her kinetic energy into gravitational potential energy, how high would she go?
(b) Compare this height with the world record in the pole vault.

asked
User Rosabel
by
8.0k points

1 Answer

6 votes

Answer:

Step-by-step explanation:

The mass of the human = x

a) EK=1/2x144= 72x

EK=EP

72x=mgh

72x=x * 10 * h

h=7.2m

b) the world record in the pole vault = 6.2m

6.2<7.2

answered
User Ravindra Thorat
by
8.1k points
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