Questions
or each question show all your working clearly.
A diver, of mass 50 kg, climbs up to a diving
platform 1.25 m high.
a) What is his weight, in N?
b) What is his change in P.E.?
c) Where does this energy come from?
d) He walks off the platform and falls down.
What is his K.E. as he hits the water?
e) What is his speed as he hits the water?