a boy swins in a 100 m long pool he covers 60 m with a velocity of 20m/s and covers the rest of the distance with the velocity of 10m/s. calculate the average velocity of the boy.

answer me with solutions. i got 14.2 m/s

Your Answer

AV=T.displacement/t.time total displace.=100m T.time=60/20+40/10=7sec putting in formula 14.3m/s and is obtained.

0
blue Other Related Discussions
neet
Practice Mock Test
neet
Take Mock Testforward