Question

1) A Motorcydiet drives from place
. A to B with
uniform speed of 30km per hour and returns
from plece B to A with a shiform speed of 20 -
per hour find its Overige speed​

Answer 1

Answer:

let the length of the line segment AB be xm

the time taken is given as t = distance covered upon speed

total time t = t1+t2 = x/30 + x/20 = 5x/60h

avg speed = total distance/total time = 2x × 60/5x

avg speed = 24km/h