21.
Figure 1 shows a person sliding down a zip wire.
Figure 1
Zip wire
Change
in vertical
height
(a) As the person slides down the zip wire, the change in the gravitational potential energy
of the person is 1.47 kJ
Eg=m
The mass of the person is 60 kg
gravitational field strength = 9.8 N/kg
Calculate the change in vertical height of the person.
![21 Figure 1 shows a person sliding down a zip wire Figure 1 Zip wire Change in vertical height a As the person slides down the zip wire the change in the gravit class=](https://us-static.z-dn.net/files/d21/8b62212f148fb1f918d27b9503d22d92.png)