Y9 PHYSICS HWK LC2 #4 - Power

Y9 PHYSICS HWK LC2 #4 - Power

4th Grade

30 Qs

quiz-placeholder

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Y9 PHYSICS HWK LC2 #4 - Power

Y9 PHYSICS HWK LC2 #4 - Power

Assessment

Quiz

Physics

4th Grade

Hard

Created by

Leanne Vernon

Used 23+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the equation for power?

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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