Motion and Energy Transfer
Middle School Science · Flashcards · Application
MIDDLE SCHOOL SCIENCE · FLASHCARDS
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QUESTION
A moving cart hits a spring and stops briefly; where is most of the cart's energy at that moment?
QUESTION
A
2
k
g
2\,kg
2
k
g
cart speeds up from
3
m
/
s
3\,m/s
3
m
/
s
to
5
m
/
s
5\,m/s
5
m
/
s
; what is
Δ
K
E
\Delta KE
Δ
K
E
?
QUESTION
What happens to kinetic energy when mass doubles and speed stays constant?
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ANSWER
It becomes
2
2
2
times larger. KE is directly proportional to mass when velocity is constant.
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