A spring, stiffness constant, k, hangs vertically from a fixed support. You attach a block of mass m to the spring and lower it very slowly until it hangs freely from the spring, which has an extension, s. Ustrehed spring hag freely m Mas atached to nstretched SLOWLY LOWERED m Final Stretched pesition Mais hangs teely
A spring, stiffness constant, k, hangs vertically from a fixed support. You attach a block of mass m to the spring and lower it very slowly until it hangs freely from the spring, which has an extension, s. Ustrehed spring hag freely m Mas atached to nstretched SLOWLY LOWERED m Final Stretched pesition Mais hangs teely
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Transcribed Image Text:A spring, stiffness constant, k, hangs vertically from a fixed support. You attach a block of mass m to the spring and lower it very
slowly until it hangs freely from the spring, which has an extension, s.
Ustretched
sering hangs
freely
Massi
atached to
nstretched
ring
SLOWY
LOWERED
Final Stretched
postion Ma
hangs treety
The block is the system. Acceleration due to gravity is g downward, Ignore airresistance
Transcribed Image Text:Part A
What is the extension, s ?
o 2mg/ks
o mg/(2ks)
o mg/ks
o None of the above
Submeter Resposta Tries 0/2
Part B
What is the work, W done by the spring ?
o (mg)2/(ks)
o +(mg)?/(ks)
o (mg)2/(2kg)
o +(mg)²/(2kg)
o None of the above
Part C
What is the work, Wg done by gravity
o -(mg)2/(ks)
o +(mg)2/(2ks)
-(mg)?/(2ks)
o +(mg)?/(ks)
o None of the above
Part D/
What is the work, Wh done by your hand ?
o +(mg)2/(2kg)
o +(mg)2/(ks)
o ((mg)2/(kg)
o (mg)2/(2kg)
o None of the above
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