Question

2 A body travels from A to B at 25 m/s and from B to
A at 50 m/s, then its average speed will be
(a) o
(b) 37.5 m/s
(c) 16.3 m/s
(d) 33.3 m/s​

Answer 1

Answer:

let x = 35, y = 50

average speed = 2xy/x+y

Explanation:

average speed = 2×25×50/(25+50).

= 2500/75 = 33.33m/s Answer

option (d) is correct