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Standard IX
Physics
Question
The expression for kinetic energy is :
1
2
m
v
1
2
m
v
2
1
2
m
v
2
1
3
m
v
2
A
1
2
m
v
2
B
1
3
m
v
2
C
1
2
m
v
D
1
2
m
v
2
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Solution
Verified by Toppr
The kinetic energy of a body is the energy by virtue of its motion.
K
.
E
=
1
2
m
v
2
where
m
is mass and
v
is velocity.
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