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vo = 100 m/s
ryo = 100 m
rxo = 0 m
t = 3 s
g = -10 m/s2
Ditanya :
r(3) ?
Penyelesaian :
rx(3) = rxo + vo cos θ t
= 0 + (100) (1) (3)
= 300 m
ry(3) = ryo + vo sin θ t + 1/2 g t^2
= 100 + (100) (0) (3) + 1/2 (-10) (3)^2
= 100 - 45
= 55 m
Jadi : r(3) = ( 300, 55 )