Ques. 17 (NUMERICAL)
Power supplied to a particle of mass 2 kg varies with time as
W
. Here t in second. If velocity of particle at t = 0 is v = 0. If velocity at t = 2 sec is V, then is
3t2
P = W
2
Answers
Answered by
1
Answer:
From work-energy theorem,
Work done = change in kinetic energy
∫Pdt=K
final
−K
initial
∫
0
2
(
2
3t
2
)dt=
2
1
mv
2
−0
2
3
[
3
t
3
]
0
2
=
2
1
(2)v
2
v=2m/s
Explanation:
It can help you
make me a brilliant
Similar questions