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anonymous
 one year ago
Suppose a springpowered gun has a spring with a spring constant of k = 1,000 N/m. How much work can it do in accelerating the projectile if it is compressed by x = 0.10 m?
A. 5.0 * 10^3 J
B. 20 J
C. 5.0 J
D. 10 J
anonymous
 one year ago
Suppose a springpowered gun has a spring with a spring constant of k = 1,000 N/m. How much work can it do in accelerating the projectile if it is compressed by x = 0.10 m? A. 5.0 * 10^3 J B. 20 J C. 5.0 J D. 10 J

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1433104033605:dw i tried to draw the rifles lol :P

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1the potential energy stored by a spring is given by the subsequent formula: \[EP = \frac{1}{2}k{\left( {\Delta x} \right)^2} = \frac{1}{2} \times 1000 \times {\left( {0.1} \right)^2} = ...Joules\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh oops sorry i forgot a parentheses haha so i got 5 is 5 J our solution?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1yes! since all that potential energy will transform itself in kinetic energy of our projectile

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ahh okie! Yay! :D thanks!!
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