Energy, Work, And Power Flashcards
1
Q
Equation for potential energy?
A
U=mgh
2
Q
Equation for total energy?
A
E=K+U
3
Q
Equation for power?
A
- W/t
- Fv - tw
- (Fr)/t
4
Q
Momentum?
A
p=mv
5
Q
Impulse?
A
J=Ft=change in p
6
Q
Kinetic energy?
A
K=1/2mv^2
7
Q
Potential energy of a spring?
A
U=1/2kx^2
8
Q
What are the SI units for power?
A
Joules
9
Q
Equation for work?
A
- (Fcos’)r
- Change in K
- Fx
- t(ø)
