Question

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

Answer 1

Answer:

There are 3 speed modes given that is 3, 4.5 and 7.5

Avg Speed:

$\frac{3 + 4.5 + 7.5}{3} = \frac{15}{3} = 5$

Therefore, Avg speed is 5m/s.

Hope it helps