According to Hooke's Law, the force required to hold the spring stretched x m beyond its natural length is given by f(x)= x, where k is the spring constant. Suppose that 53 of work is needed to stretch a spring from its natural length of 36 cm to a length of 53 cm. Find the exact value of k, in N/m. K- N/m (*) How much work (in 3) is needed to stretch the spring from 44 cm to 48 cm? (Round your answer to two decimal places.) 3 (b) How far beyond its natural length (in cm) will a force of 20 N keep the spring stretched? (Round your answer one decimal place.) cm
According to Hooke's Law, the force required to hold the spring stretched x m beyond its natural length is given by f(x)= x, where k is the spring constant. Suppose that 53 of work is needed to stretch a spring from its natural length of 36 cm to a length of 53 cm. Find the exact value of k, in N/m. K- N/m (*) How much work (in 3) is needed to stretch the spring from 44 cm to 48 cm? (Round your answer to two decimal places.) 3 (b) How far beyond its natural length (in cm) will a force of 20 N keep the spring stretched? (Round your answer one decimal place.) cm
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:According to Hooke's Law, the force required to hold the spring stretched x m beyond its natural length is given by f(x)= kx, where k is the spring constant.
Suppose that 53 of work is needed to stretch a spring from its natural length of 36 cm to a length of 53 cm.
Find the exact value of k, in N/m.
K-
N/m
(*) How much work (in 3) is needed to stretch the spring from 44 cm to 48 cm? (Round your answer to two decimal places.)
(b) How far beyond its natural length (in cm) will a force of 20 N keep the spring stretched? (Round your answer one decimal place.)
cm
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