in a vertical jump and reach test, a 60 kg student jumps 60 cm, while 90 kg student jumps 45 cm. Assuming both jumps took the same amount of time, which jumper was more powerful?

Answer 1

power * time = work
so if time the same, look at difference in work done which is change in potential energy m g h

60 g .6 = 36 g Joules

90 g .45 = 40.5 g Joules

Answer 2

The 60 kg student