A cyclist travels at 10km/hr for 2hr and then at 13km/hr for 1hr. Find average speed
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Answer:
speed1= 10km/hr
time1= 2hr
thus, distance1= speed1/time1= 10/2 = 5km
speed2= 13km/hr
time2= 1hr
thus, distance2= speed2/time2= 13/1 = 13km
average speed=total distance/ total time
= (distance1+ distance2)/ (time1+time2)
= (5+13)/ (2+1)
=18/3
=6km/hr
thus the avg speed of he car is 6km/hr
hope it helps you...
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