Revision 17/10 Flashcards
1
Q
Kinetic energy
A
1/2 x mass x velocity2
2
Q
Gravitational potential
A
Mass x height x gravity (10n/kg)
3
Q
Elastic potential
A
1/2 x spring constant x extension2
4
Q
Energy transferred
A
Mass x specific heat capacity x temperature change
5
Q
Power
A
Energy transferred / time taken
6
Q
Energy stores (2e, 1c, 1k, 1t, 1g, 1n, 1m)
A
Kinetic, thermal, gravitation potential, magnetic, chemical, elastic potential, nuclear, electrostatic
7
Q
What is energy and power measured in?
A
Energy- joules J
Power- watts W
