Question

a speed of a train increases at a constantrate a from zero to v ,and then remains constant for an interval,and finally decreases to zero at comstant rate b .if angle be the total distance travelled ,then the total time taken is...​

Answer 1

Answer:

A total time is tajen 6 hiurs 66 miniutes

Answer 2

Answer:

t = 1/v + v/2 (1/a+1/b)

Explanation:

i think this is right answer