puck of mass m- 46.0 g is attached to a taut cord passing through a fgure below). The puck is intially orbiting wetn speed v10 m in a orde of radus0290 m. The card a then stowy d t ngthe of the drde t .50m (a) What is the puck's speed maler radius Xmis (b) Find the the smaler radius 024 to 0.150 m 3 How much work y the hand in puling the cord that the redius of the puck's motion changs 03 x Need Help? ad Me
puck of mass m- 46.0 g is attached to a taut cord passing through a fgure below). The puck is intially orbiting wetn speed v10 m in a orde of radus0290 m. The card a then stowy d t ngthe of the drde t .50m (a) What is the puck's speed maler radius Xmis (b) Find the the smaler radius 024 to 0.150 m 3 How much work y the hand in puling the cord that the redius of the puck's motion changs 03 x Need Help? ad Me
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Transcribed Image Text:A puck of mass m- 46.0 g is attached to a taut cord passing through a small hole in a frictionless, horizontal surface (see figure below). The puck is initially orbiting with speed v - 1.60 m/s in a circie of radius - 0.290 m. The cord is then slowly pued froin belo, decing the ads of the crde te r-0.150 m.
(a) What is the puck's speed at the smaler radius?
(b) Find the tension in the cord at the smaler radius
(c) How much work is done by the hand in pulling the cord se that the radius of the puck's motion changes from 0.290 m to 0.150 m?
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