Question

Help me please, for number 3

Answer 1

V₁x = 4 x cos30°
= 4 x 1/2 √3 = 2√3 m/s
v₂x = -2 x cos60°
= -2 x 1/2 = -1 m/s

v₁y = 4 x sin 30°
= 4 x 1/2 = 2 m/s
v₂y = -2 x sin 60°
= -2 x 1/2 √3 = -√3 m/s

∑vx = (2√3) + (-1)
= (2√3 - 1 m/s)
∑vy = (2) + (-√3)
= (2-√3)

Jawaban : tidak ada di option