A particle moving in a straight line covers half the distance with speed of `3 m//s`. The half of
Channel: Doubtnut
Date: 2020-01-19

A particle moving in a straight line covers half the distance with speed of `3 m//s`. The half of the distance is covered in two equal intervals with speed of `4.5 m//s and 7.5 m//s` respectively. The average speed of the particle during this motion is :