The total length of a spring when a mass of 20g is hung from its end is 14cm, while its total length is 16cm when a mass of 30g is hung from the same end. Calculate the unstretched length of the spring assuming Hooke's law is obeyed.
a
9.33cm
b
10.00cm
c
10.66cm
d
12.00cm
e
15.00cm
Explanation
Correct Option
bVideo Explanation
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