What is the equation for power?

Y9 PHYSICS HWK LC2 #4 - Power

Quiz
•
Physics
•
4th Grade
•
Hard
Leanne Vernon
Used 23+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Ep = m x h x g
Ek= ½ x m x v2
Ee = ½ x k x e2
P = E / t
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
P = E / t.
What is does the symbol t mean?
power
energy
temperature
time
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Watts are a unit of .....
power
energy
time
mass
extension
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calculate the power of a device that transfers 500J of energy in 300s
P = E / t
0.6J
0.6W
1.7J
1.7W
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calculate the power of a device that transfers 1790J of energy in 226s
P = E / t
0.13J
0.13W
7.9J
7.9W
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calculate the energy transferred in a device that is turned on for 60s that has a power rating of 100W
P = E / t
1.7J
0.6J
6000W
6000J
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calculate the energy transferred in a device that is turned on for 2000s that has a power rating of 250W
P = E / t
500,000J
8J
0.125W
0.125J
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