Question

A train travels at a speed of 60 km per hour for 0.52 height at 30 km per hour for the next 0.24 hour and then at 70 kilometre per hour for the next 0.71 hour what is the average speed of the train​

Answer 1

hey buddy

uR AnSwER

(dist = speed * time)

d = (60*.52) + (30*.24) + (70*.71)

d = 31.2 + 7.2 + 49.7

d = 88.1 km

:

Find the total time for the trip

t = .52 + .24 + .71

t = 1.47 hrs

:

Find the av speed (a = d/t)

a = 88.1%2F1.47

a = 59.932 ~ 60 km/hr av speed for the trip

hOpE It'LL hElp

pLz mArK mY AnSwER aS BrAinLiESt