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7. Using components,
determine the total
displacement from the following individual
displacements: Ad, = 2.5 m [W 30.0° S],
Ad₂ = 3.6 m [S], and Ad¸= 4.9 m [E 38.0° S]. 1
8. A boat travelling on the St. Lawrence River moves
2.70 km [E 25.0° N] and then changes direction
and moves 4.80 km [E 45.0° S]. Determine
(a) the components of the total displacement
and (b) the total displacement of the boat. ™

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