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Q1. A horizontal uniform bar of mass 2kg and length 3m is hung horizontally on two vertical strings. String 1 is attached to the end of the bar, and string 2 is attached the distance 0.7 m from the other end. A monkey of mass 1.00 kg walks from one end of the bar to the other. Find out the tension T_1 in string 1 at the moment that the monkey is halfway between the ends of the bar.

Q2. You shoot an arrow into the air. Two seconds later arrow has gone straight upward to a height of 30 meters above its launch point. a) What was the arrow's initial speed? b) How long did it take for the arrow to first reach a height of 15 meters above its launch point?

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