Question

A car moves with a speed of 30 kmhr for half an hour 25 km for one hour and 40 km for two hour calculate the average speed of car​

Answer 1

Answer:

Average speed = Total distance travelled ÷ Total time taken.

Traveling at 30 km/h for 1/2 hours = 15km. Traveling at 25 km/h for 1 hour = 25 km. Traveling at 40 km/h for 2 hours = 80km. Therefore, total distance traveled will be 15 km + 25 km + 80 km = 120 km.

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

speed = 30km/h

time = 1/2h

distance = 30 * 1/2 = 15km

speed = 25km/h

t = 1h

distance = 25 * 1 = 25km

speed = 40km/h

t = 2h

distance = 40 * 2 = 80km

total distance = 15 + 25 + 80 = 120km

total time = 3.5h

avg speed = 120/3.5 = 34.29km/h(approx)