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Physics
Physics
Problem
If a particle of mass
m
m
m
moves with velocity
v
v
v
under a constant acceleration
a
a
a
, which of the following gives its instantaneous power? a)
P
=
1
2
m
a
v
P = \dfrac{1}{2} m a v
P
=
2
1
ma
v
b)
P
=
2
m
a
v
P = 2 m a v
P
=
2
ma
v
c)
P
=
m
a
v
P = m a v
P
=
ma
v
d)
P
=
3
2
m
a
v
P = \dfrac{3}{2} m a v
P
=
2
3
ma
v
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