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5. Calculate the following:a. If a motorist covers a distance of 500 km in 7 hours, what is his average speed?b. A car moves with a speed of 50 km/h for 15 minutes and then with a speed of 40 km/h for thenext 10 minutes. What is the total distance covered by the c |
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Answer» Answer: 15 minutes. The total distance covered by the CAR is : ... SPEED of car in FIRST 15 minutes = 40 KM/h ... Speed of car in next 15 minutes = 60 km/h. Distance covered = 60×6015=15km. ∴ Total distance covered = (10+15)km = 25 km ... Solve the following example. ... Car travels a certain distance with a speed of 50 km/h &. Explanation: |
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