Question

A particle covers half of the distance with a speed 5 metre per second half of the remaining part of the journey with a constant speed of 10 metre per second and the rest of the journey with a constant speed of 20 metre per second find the average speed of the particle cover the entire trip​

Answer 1

Answer:

avg speed= avg distance/avg time

10×20/5

200/5

40 is the answer...