Question

A train takes 2 hour to reach station B from station A and then 3 hours to return from station Bto station A . the distance beetwen 2 stations is 200 km find average speed and average vilocity.

Answer 1

Answer:

avg. speed=80 km/hr and avg. velocity= 0 km/hr..,

Explanation:

i)total distance= 400 km and total displacement =0 km(returns back to station A)

ii)t=2+3=5 hr

a)<speed>=total distance/time

i.e <s>=400/5= 80 km/hr...

b)<velocity>=total displacement/time

i.e <v>=0/5=0 km/hr

Answer 2

Hi mate
From A sts to B sts is 200km
and
From B sts to A sts is 200km
so,
200+200
__________
2
-- 400
_____
2
__ 200
so ur answer is 200


sure it helps u