Example 5. Calculate the kinetic energy of a
bullet of mass 60 g moving with the velocity
of 100 ms
Solution: Here, mass of bullet = 60 g = 0.06 kg
Velocity of bullet = 100 ms
1
my
2
Kinetic energy
1
* 0.06 * (100)
2
- 300 J
1
Answers
Answered by
2
Answer:
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Explanation:
From conservation of momentum, (2.7+0.3)v
common
=0.3v
⇒v
common
=
10
v
2
1
mv
common
2
=F.s
as, 0.5×(2.7+0.3)×v
common
2
)=μ×(2.7+0.3)g×20
⇒v
common
=10
From the first equation, v=100m/s
Answered by
1
Explanation:
6 is the answer
6 joule is the answere
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