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JEEMAIN and NEET
>>
Physics
>>
Class11
>>
Work, Power and Energy
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Q)
Power supplied to a particle of mass 2 kg varies with time is
P
=
3
t
2
2
watt, velocity of particle at
t
=
0
is
v
=
0.
The velocity of particle at
t
=
2
s
will be
(
a
)
1
m
/
s
(
b
)
2
m
/
s
(
c
)
4
m
/
s
(
d
)
2
√
2
m
/
s
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