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If a 0.75kg bullet made a 3.0kg block swing to change its height 0.5 Meters, how fast was the bullet traveling? (I solved & 15.7 m/s is incorrect for some reason?)

If a 0.75kg bullet made a 3.0kg block swing to change its height 0.5 Meters, how fast was the bullet traveling? (I solved & 15.7 m/s is incorrect for some reason?)
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If a 0.75kg bullet made a 3.0kg block swing to change its height 0.5 Meters, how fast was the bullet traveling? (I solved & 15.7 m/s is incorrect for some reason?)

User Alvins
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1 Answer

3 votes
I wont actually solve it but i will derive the equation for you to plug the numbers in.
1/2MV^2 = MGH where the M on the left side of the equation is the mass of the bullet, the M on the right is the mass of the block, and G is 9.8 m/s^2
User Pepster
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