A mine cable weighing 60 N/m is unwound from a cylindrical drum. If the lower end of the cable is initially 15 m below the drum, how much work is done by gravity as an additional 100 m are unwound?

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A mine cable weighing 60 N/m is unwound from a cylindrical drum. If the lower end of the cable is initially 15 m below the drum,
how much work is done by gravity as an additional 100 m are unwound?
(A 410,000 Nm
(B) 380,000 Nm
390,000 Nm
D) 360,000 Nm
Transcribed Image Text:A mine cable weighing 60 N/m is unwound from a cylindrical drum. If the lower end of the cable is initially 15 m below the drum, how much work is done by gravity as an additional 100 m are unwound? (A 410,000 Nm (B) 380,000 Nm 390,000 Nm D) 360,000 Nm
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