Question

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

Answer 1

Answer:

4 total distance 4x

2equal time t

then avg speed=4x/2t+(2x/3)