Compare Potential Energy
Middle School Science · Flashcards · Application
MIDDLE SCHOOL SCIENCE · FLASHCARDS
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QUESTION
If a spring's stretch changes from
x
x
x
to
2
x
2x
2
x
, by what factor does elastic potential energy change?
QUESTION
Which arrangement has greater gravitational potential energy: mass
m
m
m
at
h
1
h_1
h
1
or at
h
2
h_2
h
2
if
h
2
>
h
1
h_2 > h_1
h
2
>
h
1
?
QUESTION
Which has greater elastic potential energy: same
x
x
x
, spring constant
k
k
k
versus $2k$?
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ANSWER
$2k$ (it is
2
2
2
times larger). Energy is linear in
k
k
k
: double
k
k
k
doubles energy.
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