Respostas

2013-09-14T16:42:24-03:00
A = V^2.sen2x/g
A = 10^2.sen120/10
A = 100.1,7/4
A = 170/4 = 42,5 m
altura máxima
H = V^2.sen^2(x)/2g
H = 10².sen²60/20
H = 5. (1,7/2)²
H = 5. ( 0,85)² =  3,6125 m
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