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A car is driven 105 km west and then 40 km southwest. what is the displacement of the car from the point of origin (magnitude and direction)? km

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vladvturin2017
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L = √ (105² + 40² + 2*105*40*sin 45⁰) = 
= √ (11 025 + 1 600 + 5940 ) = √ 18 565 ≈ 136 km 

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