A 100gm bullet is fired into a 12 kg block which is suspended by a long cord, such that it can swing like a pendulum. If the bullet is embedded in the block and the block rises by 5cm, what was the speed of the bullet?

Question

Annabelle Reese

14 December, 08:35

+5

Answers (1)

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Graham Jacobs · Answer 1

The ans is 1198cm

We will need to use the equation v^2-u^2=2as

And the momentum equilibrium equation

So, v = 12*9.81*5/12.1

=1198cm