The energy of a bicycle accelerating down a hill can BEST be described as
A) increasing in kinetic energy.
B) increasing in potential energy.
C) 100% kinetic energy with no potential energy.
Eliminate
D) 100% potential energy with no kinetic energy
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OpenStudy (anonymous):
@ayonnaleflore @FaiqRaees
OpenStudy (precision):
science lol
OpenStudy (precision):
lol
OpenStudy (faiqraees):
first the word acceleration describes that velocity is increasing
OpenStudy (faiqraees):
since Kinetic energy is directly proportional to velocity^2 so we can say that......
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OpenStudy (faiqraees):
however it is still on the hill which means the displacement from the ground > 0 and this indicates it have potential energy
OpenStudy (faiqraees):
so the option is?
OpenStudy (anonymous):
d?
OpenStudy (mrnood):
or just guess until the answer is confirmed?
candycove (candycove):
Basically.
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OpenStudy (faiqraees):
in d the kinetic energy is 0 but the velocity isn't 0 and moreover increasing and which means there is kinetic energy which is constantly increasing.
OpenStudy (anonymous):
idk ... this one is confuseing me
OpenStudy (faiqraees):
Kinetic energy --- constantly increasing
potential energy --- change not required but isn't 0