Physics, asked by mahjabeenbano6117, 1 year ago

A boy runs for 10 min a uniform speed of 9km/h. at what speed should he run for the next 20 min so that the average speed comes to 12km/h?

Answers

Answered by devesh1953

1

13.5km per hours.
I hope my answer help you.

Previous Question

Next Question

Similar questions

English, 7 months ago

Gandhinagar is a thickly populated locality inhabited mainly by the working class people. Unfortunately, there is no Amul milk booth in the locality. Write a leter in 100 - 120 words to the editor of a local daily drawing the attention of the authorities to the problem faced by the people, requesting them to open a milk booth. You are Sham / Shobha, 4, Gandhinagar, Mumbai.

Math, 7 months ago

5x+3y=7 upon 3x-y=3 pair of linear equations by the substitution method ...

History, 7 months ago

The method of sowing seeds in jhum cultivation is known as ____...

Physics, 1 year ago

A boat travels upstream in a river in the same petiod of time as it takes to travel 30 km dowmn stream . if the rate of the stream is 4 km/ hr, find the speed of boat in still water...

Physics, 1 year ago

A body covers 12m in 2nd second and 20 m in fourth second how much distance will it cover in 4 seconds after v second...

History, 1 year ago

who was the first Turkish king...

Math, 1 year ago

The perimeter of triangle is 14xsquare +20x +15 and two of its sides are 3xsquare +5x +1 and X square +10x-6. Find its third side?

Biology, 1 year ago

How the sexual contact happen in human being and what happens if fallopian tube will not there?