Quiz5 - total mass of the rope Solution The wave speed is...

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PHY126 Quiz No. 5 (Chap.14) Name: A rope is stretched between supports 12 m apart; its tension is 35 N. If one end of the rope is tweaked, the resulting disturbance reaches the other end 0.45 s later. What is the
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Unformatted text preview: total mass of the rope? Solution The wave speed is v=L/t=sqrt[F/(m/L)], where L=12 m is the length and t=0.45 s is the travel time. Therefore, the mass is m=Ft 2 /L=(35 N)(0.45 s) 2 /(12 m)=591 g....
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