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olga2289 [7]
3 years ago
5

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.
Physics
2 answers:
Goryan [66]3 years ago
8 0
You use the Theorem of Pythagoras:
Imagine the Car is driving: when it turns left to drive north This has to be an 90 degree angle:
^
---> |

But the displacement is Always the shortest Line between the start and the end and in This case it is a Line which creates a triangle.
In a triangle With a right angle you can use Pythagoras:
215^2+45^2=c^2
v=√(215^2+45^2)
bogdanovich [222]3 years ago
5 0

Answer:

220

Explanation:e2020

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