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Ghella [55]
3 years ago
8

An archer pulls her bowstring back 0.376 m by exerting a force that increases uniformly from zero to 251 N. (a) What is the equi

valent spring constant of the bow? N/m (b) How much work does the archer do on the string in drawing the bow? J
Physics
1 answer:
Amanda [17]3 years ago
8 0

Answer:

(A) 667.5 N/m

(B)

Explanation:

(A) Let the spring constant be k.

Using the formula F = kx

k = 251 / 0.376

K = 667.5 N/m

(B)

Work done

W = 0.5 × kx^2

W = 0.5 × 667.5 × 0.376 × 0.376

W = 47.2 J

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