Calculating PE & KE
Authored by Abby Blackmon
Science
8th - 10th Grade
Used 9+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 68 kg circus performer sits on a 4.2 m tall elephant. Find the potential energy of the performer.
2798.9 J
285.6 J
16.2 J
29.1 J
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 5 kg dog runs at 2.5 m/s. Find the kinetic energy of the dog.
6.25 J
12.5 J
15.6 J
122.5 J
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two bowling balls of equal mass are dropped from two different ledges. Ball B is dropped from twice the height of Ball A. How will their final kinetic energies compare immediately before they hit the ground?
Ball B will have twice as much KE as ball A.
Ball B will have four times as much KE as ball A.
Ball B will have more KE by a factor of 2
Ball B will have the same KE as ball A.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The skateboarder shown above has a potential energy of 2,800 J at a height of 4 meters. How much GPE and KE will she have when she is only 2 meters up?
KE: 1000 J; PE: 1800 J
KE: 1400 J; PE: 1400 J
KE: 2800 J; PE: 0 J
KE: 1400 J; PE: 0 J
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Between a bowling ball and a soccer ball, which one has more kinetic energy and why?
a bowling ball because it has more mass
a bowling ball because it is smaller
a soccer ball because it has more mass
a soccer ball because it is smaller
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A golf pro swings his driver with a mass of 0.75 kg at a velocity of 60 m/s. What is the kinetic energy of the club?
22.5 J
It doesn't have kinetic energy-it has potential energy.
2,700 J
1,350 J
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the mass of a ball has a kinetic energy of 450 J, what must it mass be if it is traveling through the air at 30 m/s?
0.25 kg
15 kg
1 kg
0.50 kg
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