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Physics
Physics
Problem
Which of the following expressions represents the kinetic energy
K
E
KE
K
E
of a body of mass
m
m
m
moving with speed
v
v
v
? a)
K
E
=
m
v
2
KE = m v^2
K
E
=
m
v
2
b)
K
E
=
m
g
h
KE = m g h
K
E
=
m
g
h
c)
K
E
=
1
2
m
v
2
KE = \dfrac{1}{2} m v^2
K
E
=
2
1
m
v
2
d)
K
E
=
1
4
m
v
2
KE = \dfrac{1}{4} m v^2
K
E
=
4
1
m
v
2
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