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Anestetic [448]
2 years ago
9

A car drives 215 km east and then 45 km north. What is the magnitude of the car's displacement? Round your answer to the nearest

whole number. km
Mathematics
1 answer:
vesna_86 [32]2 years ago
4 0

Answer:

220 km  

Step-by-step explanation:

Since the direction north is perpendicular to the direction east, the driver has covered the two legs of a right triangle.  The hypotenuse is his displacement for the combination of the two segments.

    D = √(215² + 45²)

        =  √(46,225 + 2,025)

        =  √48,250  =  219.6588... km

Nearest whole number:   220 km  

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