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A car moving east at 45km/hr turns and travels west at 30km/hr. What is the magnitude and direction of the change in velocity?
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A car moving east at 45km/hr turns and travels west at 30km/hr. What is the magnitude and direction of the change in velocity?

User Xeon
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(-30 km/h) -(45 km/h) = -75 km/h . . . . . east is positive here

The velocity changed 75 km/h to the west.
User Blackd
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