specific heat capacity and power Flashcards
1
Q
what is specific heat capacity
A
amount of energy needed to heat up 1kg of a substance by 1 degree
2
Q
specific heat capacity equation
A
(J/KG°C) x mass (kg) x temperature change
3
Q
what does rate mean
A
how fast or slow something happens
4
Q
work definition
A
work refers to a transfer of energy
5
Q
work equation
A
force x distance
6
Q
power
A
the rate at which energy is transferred or work is done (watts)
7
Q
power equation
A
power (w) = work done (j) x time (s)
8
Q
energy equation for power
A
energy = power x time
9
Q
energy can be…
A
- transferred
- stored
- dissipated
10
Q
a candle transfers energy by emitting a light wave where does the energy go
A
the surroundings
