Physics, asked by sonam3192, 1 year ago

To ropavci ICHI
A car is moving on a straight road covers one third of the distance with a speed of 20 km/h and the rest with
a speed of 60 km/h. The average speed of the car is
(1) 40 km/h
(2) 50 km/h
(3) 36 km/h
(4) 55 km/h
LC​

Answers

Answered by dev1298
9

Answer:

36 km/h

Explanation:

let the distance covered with 20km/ph be x then time taken will be x/20 sec

now distance left to be travellex will be 2x and time taken will be 2x/60 sec

so total distance covered will be 3x and total time taken will be x/12 sec

so average velocity will be total distance travelled /total time taken

therefore average velocity all be 3x/x/12 that will be 36 km/hr.........!!!!!!


dev1298: thanks for marking it brainliest....
Answered by arrhu
5

Answer:

your answer is 36km/h I think my answer is write for you and plz mark me

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