Question

Express the following speed into m/s
(a) A uniform speed of 90km/hr
(b) A uniform speed of 165 m/min
plz give honest answer ☺️​

Answer 1

Answer:

(a) 25m/s

(b) 2.75 m/s

Explanation:

for converting kilometre per hour into metre per second we have to multiply it with 1000 and divide it with 3600

as 1 kilometre has 1000 metere

and

1 hour has 3600 second

(a) 90 × 1000 ÷ 3600

25 m/s

1 minute has 60 seconds

(b) 165 ÷ 60

2.75m/s