Question

a particle is moving along a straight line with different velocity 20 km per hour in 5 seconds 40 kilometre per hour in 10 seconds and 60 kilometre per hour in 15 seconds then its average velocity will be​

Answer 1

A particle is moving along a straight line with different velocities 20 kilometres per hour in 5 seconds 40 km per hour in 10 seconds 60 km per hour in 15 seconds then its average velocity will be 46.6kmph.