Question

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​

Answer 1

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

Answer 2

Explanation:

6 is the answer

6 joule is the answere

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