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 the
next 10 minutes. What is the total distance covered by the c
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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 &.
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