Question

solve this question​

Answer 1

Answer:

V = α β t / (α + β )

Explanation:

For the first leg of the journey,  

V = 0 + α  t1

So  V = α  t1  

for the second leg of journey of duration  t - t1 :

0 = V - β (t - t1)

0 = α t1 - β t + β t1

t1 = β t / (α + β)