5 kg x ½ x (0,2 m/s)²
–10x + 8y = –10
y = 10
x = –1
6x + 7y = –20
–4x − 5y = 2
y = –2
x(1+1)^3=200.000
7x − 9y = –18
x = –9
x(1*y)^3=200.000
–9x − 6y = 6
9x + 10y = 2
9.875
–8x + 7y = 6
–2x + 9y = 16
