Initial speed of bullet.
Answer to Problem 21PP
11260 cm/s
Explanation of Solution
Given:
Mass of bullet,
Mass of wooden,
Common speed after collision,
Formula used:
Momentum of nay object is given by,
Here, P is momentum, m is mass and v is velocity.
According to conservation of momentum, if there is no external force applied on the object then momentum is conserved.
Calculation:
As the wooden block is at rest.
Therefore, speed of wooden box,
Now, substituting the value of
Conclusion:
Therefore, initial speed of bullet is 11260 cm/s.
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