Answer to Question #142204 in Physics for Ranx

Question #142204

An axe that weighs 8.0 kg is used to strikes the log with a force of 400 N that comes to rest in 0.04
seconds. What is the magnitude of the impulse? How fast is the axe approach the log?

Expert's answer

"I=Ft=(400)(0.04)=16\\ Ns"

"v=\\frac{I}{m}=\\frac{16}{8}=2.0\\frac{m}{s}"

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