Answer to Question #111155 in Physics for LJ

Question #111155

An archer uses an average force of 50.0 N to draw the string of his bow through a distance of 0.412 m. Then, he fires a 297 g arrow straight up into the air. What is the maximum speed of the arrow at the instant it leaves the bow?

Expert's answer

"mgh=Fs"

"(0.297)(9.8)h=(50)(0.412)"

"h=7.08\\ m"

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