Respuesta :

apologiabiology
[tex]K=\frac{1}{2}mv^2[/tex]

when v=30 and k=4500
[tex]4500=\frac{1}{2}m(30)^2[/tex]
[tex]4500=\frac{1}{2}m900[/tex]
[tex]4500=450m[/tex]
divide bot sides by 450
[tex]10=m[/tex]


m=10
texaschic101
k = 1/2mv^2.....v = 30, k = 4500

4500 = 1/2m30^2
4500 * 2 = 900m
9000 = 900m
9000/900 = m
10 = m <==


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