A car moves first 20 km at a speed of 50 km/h and the next 20 km at a speed of 70 km/h . Calculate the average speed of the car .
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Average speed if distance is same..,
v1 = 50 km/hr
v2 = 70 km/hr
Avg. speed = 2v1v2 / ( v1+v2 )
= 2(50)(70) / ( 50 + 70 )
= 7000/ 120
= 58.33 km/hr
= 16.20 m/s
Thanks !
v1 = 50 km/hr
v2 = 70 km/hr
Avg. speed = 2v1v2 / ( v1+v2 )
= 2(50)(70) / ( 50 + 70 )
= 7000/ 120
= 58.33 km/hr
= 16.20 m/s
Thanks !
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