solve it on paper 11b)
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Answered by
1
Answer:
For average speed use
2v1v2/v1+v2
v1 = initial velocity
v2 = final velocity
On putting the values
2*20*40/60
160/6
80/3km/h
Hope it helps
Answered by
5
Average=sum of terms/no. of terms
=40+20/2 km/h
=60/2 km/h
=30 km/h
hope it helps and please follow kar lena yar ...
btw u have cutee dp
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