a car travels with a speed 60km/h in the initial one hour and with a speed of 40km/h in the next half hour. its average speed is
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Answered by
1
Explanation:
speed of car=60 on/h
time taken =1 hr
distance covered =60×1
=60km
now , speed = 40 km/h
time taken=1/2 h
distance covered= 20km
therefore,total distance= (60+20) km. = 80km
total time taken=1+1/2 hr
=3/2 hr
average speed= total distance/total time taken
=80×2/3
=160/3
=53.33 km/ hr
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Answer:
53.33kmph
Explanation:
please see the picture
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