Physical Science

Chapter 4: Energy

Solve a Simple Equation

1.
What is the gravitational potential energy of a ceiling fan that has a mass of 12 kg and is 3 m above the ground?
A)235 J
B)353 J
C)392 J
D)441 J
2.
What is the gravitational potential energy of a ceiling fan that has a mass of 10 kg and is 4 m above the ground?
A)235 J
B)353 J
C)392 J
D)441 J
3.
What is the gravitational potential energy of a ceiling fan that has a mass of 8 kg and is 3 m above the ground?
A)235 J
B)353 J
C)392 J
D)441 J
4.
What is the gravitational potential energy of a ceiling fan that has a mass of 9 kg and is 5 m above the ground?
A)235 J
B)353 J
C)392 J
D)441 J
5.
What is the mass of a hiker 350 m above the ground if her GPE is 120,200 J.
A)35 kg
B)37 kg
C)42 kg
D)57 kg
6.
What is the mass of a hiker 300 m above the ground if her GPE is 116,000 J.
A)30 kg
B)39 kg
C)32 kg
D)35 kg
7.
What is the mass of a hiker 250 m above the ground if her GPE is 140,250 J.
A)50 kg
B)54 kg
C)57 kg
D)60 kg
8.
What is the mass of a hiker 350 m above the ground if her GPE is 180,000 J.
A)57 kg
B)50 kg
C)47 kg
D)52 kg
9.
Find the GPE of a coffee mug with a mass of 0.4 kg on a 1.2-m high counter top.
A)3 J
B)5 J
C)7 J
D)10 J
10.
Find the GPE of a coffee mug with a mass of 0.6 kg on a 1.4-m high counter top.
A)10 K
B)8 J
C)6 J
D)5 J
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