الأجوبة
a = π/6 rad
t = 2π/w = 2π/3π = 2/3 s
t = 1
x = 6.cos(3π+π/6)
x = - 5.2 m
V = -AW.sin(w.t + a)
v = -6(3π).sin(3π+π/6)
v = 28.3 m/s
t = 0
x = 6.cos(π/6) = 5.2 m
t = 1
x = -5.2 m
∆x = x2 - x1 = -5.2 - 5.2 = -10.4 m
t = 0
θ = 3π(0.5) + π/6
θ = 5/3 π rad
x = 6.cos.(5/3 π)
x = 3 m
v = - 6(3π).sin(5/3 π)
v = 49 m/s
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