PHYSICS-
A car moves with a speed of 40 km/hr for 30 min and then with a speed of 60 km/hr for the next half an hour. Calculate the total distance covered and average speed for entire journey?
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Answer:
The car will cover 50 KM.
It's average speed is 50KMPH
Explanation:
Avg Speed = 40+60 / 2 KMPH = 50 KMPH
in 30 mins,
at 40KMPH he would cover 20 Km
at 60KMPH he would cover 30 Km.
Total Distance covered = 20+ 30 = 50 KM
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