Ke and Pe Calculation
Authored by Lisa Thompson
Science
8th Grade
NGSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A cheetah can run briefly with a speed of 31 m/s. Suppose a cheetah with a mass of 47 kg runs at this speed. What is the cheetah’s kinetic energy?
1457 J
728.5 J
45,167 J
22,583.5 J
Tags
NGSS.HS-PS3-2
NGSS.HS-PS3-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A ping pong ball has a mass of about 2.45 g. Suppose that ball is hit across the table with a speed of about 4.0 m/s. What is its kinetic energy?
19.6 J
0.0196 J
4.9 J
0.0049 J
Tags
NGSS.HS-PS3-2
NGSS.HS-PS3-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the kinetic energy of a 26 kg eagle, flying at an altitude of 65 m at a speed of 19 m/s?
32,110 J
16,055 J
4693 J
247 J
Tags
NGSS.HS-PS3-2
NGSS.HS-PS3-1
NGSS.HS-PS2-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A polar bear has an average mass of 500 kg. If its maximum kinetic energy is 60500 J, what is its top speed?
242 m/s
121 m/s
15.56 m/s
15,125,000 m/s
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An airplane designed to carry a space shuttle has a top speed of 236 m/s, at which its kinetic energy is 9,760,000,000 J. What is its mass?
175,237 kg
41,355,932 kg
87618.5 kg
350,474 kg
Tags
NGSS.HS-PS2-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mass of an object that creates 33,750 joules of energy by traveling at 30 m/s?
75 kg
15 kg
1125 kg
37.5 kg
Tags
NGSS.HS-PS3-2
NGSS.HS-PS3-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the speed of a model rocket that has a mass of 15 kg and Has 80,000 J of kinetic energy.
10666.7 m/s
103.9 m/s
5333.3 m/s
73.03 m/s
Tags
NGSS.HS-PS3-1
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