# Answer to Question #17407 in Calculus for saeed

Question #17407

Suppose that 3 Joules of work is needed to stretch a spring from its natural length of 13 cm to a length of 36 cm. a) How much work is needed to stretch the spring from 16 cm to 30 cm?
b) How far (in meters) beyond its natural length would a force of 35 N keep the spring stretched?

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