Shahyanav12307 Shahyanav12307

25-07-2021
Physics

contestada

A car travels first 10 km in 20 minutes and another 10 km in 30 minutes. What is the average speed of the car in m/s?

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musiclover10045 musiclover10045

25-07-2021

Total distance = 10 km + 10 km = 20 km

1 km = 1000 m

20km x 1000 = 20,000 m

Total time = 20 min. + 30 min. = 50 minutes

Average speed = Distance / time

Average speed = 20,000/50 min

Average speed = 400 m/s

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