Respuesta :
Answer:
3 Joules
Explanation:
KE1 + W = KE2
[tex]\frac{1}{2}mv_{1}^{2} +W=\frac{1}{2}mv_{2}^{2}[/tex]
[tex]v_{1}^{2} +W=v_{2}^{2}[/tex]
[tex](1)^{2}+W=(2)^{2}\\1+W=4\\W=3\ Joules[/tex]
Answer:
3 Joules
Explanation:
KE1 + W = KE2
[tex]\frac{1}{2}mv_{1}^{2} +W=\frac{1}{2}mv_{2}^{2}[/tex]
[tex]v_{1}^{2} +W=v_{2}^{2}[/tex]
[tex](1)^{2}+W=(2)^{2}\\1+W=4\\W=3\ Joules[/tex]