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## Homework Statement

A 25 g bullet is fired at 150 m/s into a 2.0 kg block of wood hanging from a string 3.0 m long. The bullet becomes embedded in the block. To what height do the bullet and block swing?

## Homework Equations

m1v1 = (m1+m2)vf

1/2 mv^2 = mgh

## The Attempt at a Solution

0.025 (150) = (0.025 + 2)vf

vf = 1.85 m/s

1/2 2.025 1.85^2 = 2.025 9.8 h

h = 0.175 m

I don't know what to do from here.