Asked Dec 14, 2019

An archer pulls her bowstring back 0.390 m by exerting a force that increases uniformly from zero to 217 N.

(a) What is the equivalent spring constant of the bow?

(b) How much work does the archer do in pulling the bow?


Expert Answer

Step 1

(a) Spring constant is,


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k= 217 N 0.390m = 556 N/m

Step 2

(b) Work done is equal to the elast...


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W = -k =() (556N/m)(0.390m = 42.3J


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