Lesson 8 calculating power Flashcards
1
Q
what is power
A
the rate at which energy is transferred
(the rate at which work is done)
2
Q
what is the equation for power
A
power= work done ÷ time
(P=W÷△t)
3
Q
what is 1 watt an energy transfer (or work done) of
A
1 joule per second
4
Q
what is the unit for power (P)
A
W (Watts)
5
Q
what is the unit for work done (W)
A
J (joules)
6
Q
what is the unit for time (△t)
A
S (seconds)
