The distance between two points is 200 km full stop an object covers first Android km with the speed of 50 km per hour what should be the speed of the object for next hundred km so that is average speed 70 km per hour for whole journey.
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avg speed=total distance /total time taken
=> we know that time=distance /speed
=>70=200/(100/50)+(100/v)
=>on further solving we get
=>2+100/v=20/7
=>14v+1400=20v
=> 1400=6v
=>v=233.33km/hr
=> we know that time=distance /speed
=>70=200/(100/50)+(100/v)
=>on further solving we get
=>2+100/v=20/7
=>14v+1400=20v
=> 1400=6v
=>v=233.33km/hr
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