A scooter travel from station to station be at a uniform speed of 60 kilometre per hour it return immediately after reaching station be back to station and travel at inform speed of 70 km per hour find the average speed of the scooters
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formula = 2 × speed 1 ×speed2/(speed1+speed2)
avg = 2×60×70/60+70 =2×60×70/130
avg = 64.61 km/hr
avg = 2×60×70/60+70 =2×60×70/130
avg = 64.61 km/hr
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