Question

A particle moves in a straight line such that it covers 1/3 of its journey with speed v1 , and next 1/3rd with speed V2 and remaining distance with speed v3. Then find average speed of the particle​

Answer 1

Answer:

S=d/t

V1=1/3/t

T1=1/3v1

T1=1/3/v2

T3=1/3v3

Vaverage =1/3+1/3+1/3/1/3v1+1/3v2+1/3v3

1/v1+v2+v3(1/3)