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The spring constant for a vertical spring stretch 15cm when 22.0kg mass is attached to it is about:

a. 1440 N/m
b. 1210 N/m
c. 990 N/m
d. 17.1 N/m
e. 2.54 N/m

1 answer

M*g = 22 * 9.8 = 215.6 N. = Wt. of the Mass.

k = 215.6N/0.15m = 1437.33N/m.

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