Physics, asked by Pmech6477, 1 year ago

A car coveres 30 km at a uniform speed of 9 km per hour. At what speed speed should be run for the next 20 min. So that the average speed comes to 12 km per hour

Answers

Answered by yashpratapsingh9786

0

Answer:

84 km\h

Explanation:

Total distance travel=30+x

Total time taken =11\3

Avarage speed =12km/h

then solved the value of x=14

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