a car travels 48 km in 30 min them next 60 km in 60 min. calculate its average speed.
Answers
Answered by
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Answer:
Total distance covered = 48 + 60 = 108 km
Total time taken = 30 + 60 = 90 min = 1.5 hr
Speed = 108 ÷ 1.5 = 72 km/hr
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Answered by
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Answer:
average speed =total dist/total time
Explanation:
the units are not given in SI units lets convert them to SI:
30 min = 0.5 hrs
60 min = 1 hrs
lets apply the formula
avg speed = 48+60 / 1+0.5
avg speed = 108/1.5
= 72 km/h
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