please help me with the 4th question with proper explainiation urgently.
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Let the half distance be x
x + x = 360 km
x = 180 km ;
Total time is : (180/75) + (180/45) hr
Time = 6.4 hour ;
Average velocity = tot Dist / tot time
<V> = 360/6.4 km/hr
<V> = 56.25 km/hr
x + x = 360 km
x = 180 km ;
Total time is : (180/75) + (180/45) hr
Time = 6.4 hour ;
Average velocity = tot Dist / tot time
<V> = 360/6.4 km/hr
<V> = 56.25 km/hr
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