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... = (0.5)(1.4E5)(0.61)² = 0.260E5 J KE =

**SPE**= 0.260E5 = 1/2kx² = (0.5)k(2)² = 2k k = 0.130E5...1 Answers · Science & Mathematics · 01/03/2016

...this: https://www.etsy.com/listing/127503039/nostra-es-devs-

**spes**-vintage-buttons1 Answers · Games & Recreation · 19/01/2016

... spring = 1/2MVo² = (0.5)(0.210)(10.8)² = 12.25 J

**SPE**= KE 1/2kx² = 12.25 kx² = 12.25 k = 12.25/(0.105)²...2 Answers · Science & Mathematics · 29/12/2015

So cannon is fired HORIZONTALLY. :>)

**SPE**= 1/2kx² = (0.5)(7.90)(0.0501)² = 9.91454E-3 J...1 Answers · Science & Mathematics · 06/02/2016

**SPE**= 1/2kx² = (0.5)(7.47E6)(0.027)² = 2723 J KE of car =**SPE**1/2mV² = 2723 V² = 5446/650 = 8.3785 V = 2.89 m/s ANS1 Answers · Science & Mathematics · 30/12/2015

**SPE**= 1.18 = kx² = (655.0)x² x² = 1.18/655 x = 0.0424 m ...1 Answers · Science & Mathematics · 12/11/2015

GPE becomes

**SPE**mg(h+x) = ½kx² M * 9.8m/s² * (3.32 + 0.1289)m = ½ * 77144N/m * (0.1289m)² M = 19.0 kg Hope this helps!1 Answers · Science & Mathematics · 25/10/2015

...461kg * (8.78m/s)² = 17.8 J which becomes spring potential energy

**SPE**= 17.8 J = ½kx² = ½ * 100N/m * ...1 Answers · Science & Mathematics · 02/11/2015

GPE becomes

**SPE**after the mass falls "x." mgx = ½kx² x = 2mg / k = 2...1 Answers · Science & Mathematics · 02/11/2015

... we're interested in the point where x = 144.62 m, then

**SPE**= ½ * 113.21kg/s² * (0.20m)² = 2.4 J e) v...1 Answers · Science & Mathematics · 02/11/2015