Compare Speed and Energy
Elementary School Science · Flashcards · Application
ELEMENTARY SCHOOL SCIENCE · FLASHCARDS
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QUESTION
Which has more kinetic energy: a
4
kg
4\ \text{kg}
4
kg
cart at
2
m/s
2\ \text{m/s}
2
m/s
or a
2
kg
2\ \text{kg}
2
kg
cart at
2
m/s
2\ \text{m/s}
2
m/s
?
QUESTION
Calculate the speed for
30
m
30\ \text{m}
30
m
traveled in
10
s
10\ \text{s}
10
s
.
QUESTION
Which has more kinetic energy: A is
3
kg
3\ \text{kg}
3
kg
at
4
m/s
4\ \text{m/s}
4
m/s
, B is
1
kg
1\ \text{kg}
1
kg
at
4
m/s
4\ \text{m/s}
4
m/s
?
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ANSWER
A has more kinetic energy. Same speed, but A has
3
kg
3\ \text{kg}
3
kg
vs B's
1
kg
1\ \text{kg}
1
kg
.
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