Physics
posted by Earl .
a boat leaves shore and travels 30km east and then 15km 50 degree South of east Find the resultant the boats resultant displacement?

(30,0) + (9.64,11.50) = (39.64,11.50)
√(39.64^2 + 11.50^2) = 41.27
tanθ = 11.50/39.64
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