Find the average velocity and average speed

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Reference no: EM13526236

A car travels a straight road at 120 km/h for 30 min. then at 90 km/h for 10 min. It then reverses and goes at 90 km/h for 20 min. Find the average velocity and average speed for the entire trip. Express your answer to two significant figures and include the appropriate units.

Reference no: EM13526236

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