Motion and Energy Transfer
Middle School Physical Science · Flashcards
MIDDLE SCHOOL PHYSICAL SCIENCE · FLASHCARDS
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QUESTION
When an object falls (ignore air resistance), what energy conversion explains the speed increase?
QUESTION
A car brakes to a stop on level ground; which energy transfer best links the motion change to energy?
QUESTION
What is kinetic energy in terms of mass and speed?
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ANSWER
K
E
=
1
2
m
v
2
KE=\frac{1}{2}mv^2
K
E
=
2
1
m
v
2
. KE depends on mass and the square of velocity.
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