Math, asked by ranjitsingh725015, 2 months ago

Find the average speed of a car which travels the first 30 km at a speed of 40 km h-1 and the remaining 20 km at a speed of 60 km h-1

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Answers

Answered by za7718002

1

Answer:

25km/h

Step-by-step explanation:

i think this will help you

Answered by singhsharda414

0

Answer:

Total distance covered by car = 60 km

And, total time taken in journey t=t1+t2

t=v1s1+v2s2

=6030+4030

=45 h

Therefore, Average Speed=Total TimeTotal Distance=45 h60km=48 km/h

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