Question

Car moves with speed 40km/h for 15 minutes and witj speed of 60 km/h for next 15 minutes . Total distance is

Answer 1

Explanation:

for first condition

d= v×t= 40×5×15×60/18=10000 m= 10 km

for second condition

d = v×t = 60×5×15×60/18=15000=15km

total distance = 25 km

Answer 2

Answer:

25 Km.

Explanation:

Average speed of car = Total distance / total time.

Average speed is also, 40+60/2 = 100/2 = 50 km/h

Total time = 15+15 = 30 minutes =0.5 hrs.

Therefore, Total distance = Average speed * total time

=50 * 0.5

=25 Km.

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