Question

13. A train takes t s to perform a journey. It travels
for
1)
s with uniform acceleration, then for
n
t
(n-3)
s with uniform speed v and finally it
n
comes to rest with uniform retardation. The
average of the speed of the train is
o
(a) (3n-2)
2n
(b) (2n-3).
271
v
(c)(3-2)
3n
(d) (2n-3)
3n​

Answer 1

Answer:

it's difficult bro I think you have to find the unit

Answer 2

Answer:

bro questions is wrong please correct it and send