Physics
Physics, 17.10.2019 23:00, nitesh3786

a car moves with a speed of 40 km per hour for the first hour and then with a speed of 60 km per hour for next half hour and final with a speed of 30 km per hour for the next 1.5 hours calculate the average speed of a car

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a car moves with a speed of 40 km per hour for the first hour and then with a speed of 60 km per hou...

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