Answered

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A ball is attached to a vertical spring of 200 N/m spring constant. The ball moves downwards 0.5 meters. What is the mass of the ball?
a 10 kg
b40 kg
c400 kg
d100 kg

Sagot :

MathPhys

Answer:

a. 10 kg

Explanation:

The weight of the ball (mg) is equal to the elastic force from the spring. According to Hooke's law, the spring force is equal to the spring constant (k) times the displacement (x).

mg = kx

m (10 m/s²) = (200 N/m) (0.5 m)

m = 10 kg

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