Question

a boy walks on horizontal road and travels 2.5 kilometre with constant speed of 5 kilometre per hour then he returns to same point and walks with constant speed of 7.5 km per hour what is [a]average Velocity of man during whole journey [b] average speed of man over following interval of time [i]0to30min [ii]0to50min [iii]0to40min​

Answer 1

Answer:

A) 3.125km/hr

B)time interval dependent

Answer 2

Answer: kindly check if this should be the answer or not

Explanation: