Three different masses are attached to a spring which hangs down vertically from the ceiling. A metric ruler hangs from the ceiling next to the spring and measures how far from the ceiling the sping hangs. When a 110 N weight is attached to the spring, the spring reaches the 40 mm mark on the ruler. When a 240 N weight is attached to the sping, it hangs down to the 60 mm mark. An unknown weight is attached to the sping and it hangs down 30 mm.
a) How far down will the spring hang when there is no weight on the spring
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Are you in neils class too?
yess! I can't figure this one out.
2 answers