a) Energia elástica
[tex] \frac{kx {}^{2} }{2} = \frac{100 \times 0.2 { }^{2} }{2} = 2 \: joule[/tex]
b) Energia cinética
[tex] \frac{mv {}^{2} }{2} = \frac{2 \times 1 {}^{2} }{2} = 1 \: joule[/tex]
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a) Energia elástica
[tex] \frac{kx {}^{2} }{2} = \frac{100 \times 0.2 { }^{2} }{2} = 2 \: joule[/tex]
b) Energia cinética
[tex] \frac{mv {}^{2} }{2} = \frac{2 \times 1 {}^{2} }{2} = 1 \: joule[/tex]