Practice Questions Flashcards
1
Q
GPE of man at 13 M mass of 94 kg
A
11975.6J
2
Q
Velocity of a man cycling 134kg energy 456J?
A
2.61 M/s
3
Q
Power of man running up stairs energy of 200J time 5s
A
40W
4
Q
Spring constant of rubber band that is stretched 15 cm using 500000J of energy?
A
4444.44n/m
5
Q
Work done on box of 25kg dragged 5m using 190J
A
38N
6
Q
Child climbs onto swing mass of 50kg uses 582J how high off the ground is he
A
1.19m
7
Q
Car running for 14s uses 54J of energy work out the power
A
3.86W
8
Q
Chewing gum is stretched from 0.01 to 0.20 M energy used is 145J work out the constant
A
8033.24N
/M
