Homework 9

# Homework 9 - yindeemark(rry82 – Homework 9 –...

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Unformatted text preview: yindeemark (rry82) – Homework 9 – chelikowsky – (59005) 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points An 83 kg boat that is 7 . 2 m in length is initially 8 . 3 m from the pier. A 57 kg child stands at the end of the boat closest to the pier. The child then notices a turtle on a rock at the far end of the boat and proceeds to walk to the far end of the boat to observe the turtle. 8 . 3 m 7 . 2 m How far is the child from the pier when she reaches the far end of the boat? Assume there is no friction between boat and water. Answer in units of m. 002 10.0 points On level ground, a shell is fired from a cannon to hit an enemy bunker situated a distance R away from the cannon. At the highest point of the trajectory, the shell accidentally explodes into two equal parts. The explosion occurs in such a way that the two pieces have no velocity in the vertical direction immediately after the explosion. ( i.e. the internal forces from the explosion act only in the horizontal direction.) One part of the shell is found to hit the ground at R 2 ....
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Homework 9 - yindeemark(rry82 – Homework 9 –...

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