a boy travels to school at 4 kilometers per hour and the burns back at the six kilometer per hour what does his average speed
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Answered by
2
Answer
Step-by-step explanation:
we know that average speed of a body = total distance / total time
total distance = 4 km + 6 km
time = 1 hour + 1 hour
Therefore , average speed = total distance / total time
= 10 km / 2 hour
= 5 km/hr
average speed = 5 km/hr
Answered by
0
Answer:
4.8 kmph
Step-by-step explanation:
According to the formula 2*v1*v2/v1+v2 ,
where v1 = 4kmph , v2 = 6kmph ,
answer =
2*4*6/4+6
=48/10
=4.8 kmph
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