roblem 10.38 Part A IP As Tony the fisherman reels in a \"big one\", he turns th

Question

roblem 10.38 Part A IP As Tony the fisherman reels in a "big one", he turns the spool on his fishing reel at the rate of 3.5 complete revolutions every second. If the radius of the reel is 4.0 cm, what is the linear speed of the fishing line as it is reeled in? Express your answer using two significant figures m/s Bubmit My Answers Glive Incorrect; Try Again Part B How would your answer to part A change if the radus of the reel were doubled? Express your answer using two sign ficant figures m/s Bubmit

Explanation / Answer

(a) , angular velocity = 3.5 x 2 =21.99rad/s

linear speed = r= 4(21.99)= 87.96 cm/s= 0.8796m/s

(b)linear speed increase by factor of 2. speed is proportional to radius

speed = 0.8796(2)= 1.7592 m/s

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