Question

9. A person travelling on a straight line moves with a uniform velocity 1 for a distance ’x’ and
with uniform velocity 2 for a distance’2x’. Find the average velocity.

Answer 1

Answer:

its velocity will be 4 and its distance was 1 km

Answer 2

Answer:

A person travelling on a straight line moves with a uniform velocity v1 for for a distance x and with a uniform velocity v2 for the next equal distance. The average velocity v is given by (a) v= (v1+v2)/2. (b) v=√v1v2. (c) 2/v=(1/v1+1/v2)