a car travels 30 km at a uniform speed 30 km per hour and next 30 km at a uniform speed of 60 km per hour the average speed of the car is
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Answered by
1
Answer:
avg speed =60-30/2-1
=30
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Explanation:
rudhrahprasanth:
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sry I can make you fake Brainlest cause your answer is wrong!
sry
its okk although you have tried well!
rudhrahprashant .. best of luck for the next time bro
Answered by
2
Explanation:
Avg. Speed = Total distance (S)/Total time taken
Total distance = 30 + 30 = 60 km
Total time for
1st part - Time = Distance/Speed
= 30/30 = 1 hr
2nd part - Time = Distance/Speed
= 30/60 = 0.5 hr
Avg. Speed = 60/1.5 = 40 km/hr
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