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Gala2k [10]
3 years ago
15

If the work done to stretch an ideal spring by 4.0 cm is 6.0 J, what is the spring constant (force constant) of this spring? A)

300 N/m B) 3000 N/m C) 3500 N/m D) 7500 N/m E) 6000 N/m
Physics
1 answer:
Ostrovityanka [42]3 years ago
6 0

Answer:

D) 7500 N/m

Explanation:

Given :

Work done by the spring, W = 6 J

Stretch in the spring, x = 4 cm = 0.04 m

Consider k be the spring constant.

The relation between work done and stretch of the spring is:

W=\frac{1}{2}kx^{2}

Substitute the suitable values in the above equation.

6=\frac{1}{2}k(0.04)^{2}

k=\frac{12}{1.6\times10^{-3} }

k = 7500 N/m

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