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Find the magnitude and direction of the vectors
with components:
a Ax=-4.0 cm, Ay=-4.0 cm
b Ax=124 km, Ay=-158 km
c Ax=0, Ay=-5.0m
d Ax=8.0N, Ay= 0

Sagot :

Student018822

Answer:

Given a position vector →v=⟨a,b⟩,the magnitude is found by |v|=√a2+b2. The direction is equal to the angle formed with the x-axis, or with the y-axis, depending on the application. For a position vector, the direction is found by tanθ=(ba)⇒θ=tan−1(ba), as illustrated in Figure 8.8

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