Equations of kinematics in two dimensions (3/2)

• x component

• vx = v0x + axt

• x = 1/2 axt2 + v0xt +x0

• vx2 = v0x2 + 2axx

• y component

• vy = v0y + ayt

• y = 1/2 ayt2 + v0yt +y0

• vy2 = v0y2 + 2ayy

• Choose the coordinate system such that either ax or ay is zero

• The time t is the same for both components x and y

• Example: Moving spacecraft (C/J, ex. 1, page 65)

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