Math, asked by akashjain135, 10 months ago

A car covers the first 50 km in 2 h ,the next 60 km in 3h and the last 30 km in 2 h.Calculate the average speed of the car.

Answers

Answered by yelpaleajit1

2

Answer:

20km/s

Step-by-step explanation:

FIrst 50km is covered in 2hrs, next 60km in 3hrs and last 30km in 2hrs.

average speed=?

∴Average speed= Total distance covered / Total time taken

Average speed= 50+60+30/2+3+2

Average speed=140/7

∴Average speed=20 km/s

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