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Physics
Physics
Problem
Which one of the following is the correct expression for the kinetic energy of a body of mass
m
m
m
moving with speed
v
v
v
? a)
m
v
2
m v^2
m
v
2
b)
1
2
m
v
2
\tfrac12 m v^2
2
1
m
v
2
c)
1
4
m
v
2
\tfrac14 m v^2
4
1
m
v
2
d)
m
g
h
m g h
m
g
h
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