A spring has a force constant of 440.0N/m. (a) Determine the potential energy st

Question

A spring has a force constant of 440.0N/m.
(a) Determine the potential energy stored inthe spring when the spring is stretched 3.82 cm from equilibrium.
1 J
(b) Determine the potential energy stored in the spring when thespring is stretched 2.96 cm fromequilibrium.
2 J
(c) Determine the potential energy stored in the spring when thespring is unstretched.
3 J
(a) Determine the potential energy stored inthe spring when the spring is stretched 3.82 cm from equilibrium.
1 J
(b) Determine the potential energy stored in the spring when thespring is stretched 2.96 cm fromequilibrium.
2 J
(c) Determine the potential energy stored in the spring when thespring is unstretched.
3 J

Explanation / Answer

given force constant = k = 440.0N/m potrntial energy = 1/2kx2 (a) when x = 3.82cm = 0.0382m                          p.E= 1/2 *440* (0.0382)2 = 0.32J (b) when x = 2.96cm = 0.0296m             p.E = 1/2 * 440 * (0.0296)2 = 0.19J (c) when spring is un strecthed the potential energy iszero (a) when x = 3.82cm = 0.0382m                          p.E= 1/2 *440* (0.0382)2 = 0.32J (b) when x = 2.96cm = 0.0296m             p.E = 1/2 * 440 * (0.0296)2 = 0.19J (c) when spring is un strecthed the potential energy iszero

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