Explain Speed's Effect on Energy
Elementary School Science · Flashcards · Application
ELEMENTARY SCHOOL SCIENCE · FLASHCARDS
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QUESTION
Identify the safer situation based on kinetic energy: a bike at
5
m
/
s
5\,m/s
5
m
/
s
or at
10
m
/
s
10\,m/s
10
m
/
s
(same rider mass).
QUESTION
Identify the best claim from observations: A ball rolled faster knocks over more blocks. What changed?
QUESTION
Identify which has more kinetic energy:
m
=
2
m=2
m
=
2
kg at
v
=
3
v=3
v
=
3
m/s or
m
=
2
m=2
m
=
2
kg at
v
=
6
v=6
v
=
6
m/s.
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ANSWER
m
=
2
m=2
m
=
2
kg at
v
=
6
v=6
v
=
6
m/s. Double speed gives
4
4
4
times more energy.
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