A car travels 30 km at the uniform speed of 40 km/h and what will the speed for the next 90 km/h if the average velocity of the total distance is 60km/h
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Answer:
26.67 km/h
Step-by-step explanation:
The total time for the journey is given as,
t=v1d1+v2d2
=4030+2030
=2.25hour
The average speed is given as,
vavg=td1+d2
=2.2530+30
=26.67km/h
Thus, the average speed of the car is 26.67km/h.
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