1. A boy walks on a horizontal road and travels
2.5 km with constant speed of 5 km h-1. Then he returns to
the same point and walks with constant speed of
7.5 km 1-1. What is the (a) average velocity of the man
during the whole journey. (b) average speed of the man
over the following intervals of time (i) 0 to 30 min, (ii) 0
to 50 min (iii) 0 to 40 min.
Answers
Answered by
1
Answer:
A) 3.125km/hr
B)time interval dependent
Explanation:
Attachments:
Similar questions