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21-03-2022
Physics

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what is the force constant of spring which is streched
a.2mm by a force of 4N
b.4cm by a mass of 200g
c.2cm by a mass of 1kg

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Аноним Аноним

21-03-2022

Explanation:

a. F=kx

4=k (2×10^-3)

k= 2000 N/m

b. mg=kx

0.2 ×10 = k (4×10^-2)

2/(4×10^-2) =k

k=50 N/m

c. mg=kx

1×10 = k (2×10^-2)

½ × 10² =k

k=50N/m

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