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a spring has a length of .248m when a .300kg mass hangs from it, and a length of .750m when a 2.22kg mass hangs from it.
a) what is the force constant of the spring? use 9.8 for gravity
answer in N/m
b) what is the unloaded length of the spring?
answer in m
A 5.0mL syringe has an inner diameter of 4.5mm , a needle inner diameter of 0.29mm, What is the minimum force the nurse needs to apply to the syringe
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