Physics, asked by shawal5886, 11 months ago

P covers the first one hour of his travel at 50 km/h and the next two hours at 70 km/h. What is the average speed?

Answers

Answered by empathictruro
8

average speed= Total distance travelled÷ Time taken

Distance travelled by the car moving at a speed 50km/hr is 50km/hr×1

                                              = 50km

Distance travelled by the car moving at a speed 70km/hr is 70km/hr ×2

                                             =140km

Total distance= 140+50= 190 km

Total time taken= 3 hours

Average speed= Distance travelled ÷ time taken

                            = 190÷3

                            = 63.33 km/hr

The average speed covered is 63.33km/hr

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