Question

convert 300kmph in mph means meter per second

Answer 1

Firstly convert 300 kilometre into metre i.e.
300km=300×1000
=300000
Also convert hour into seconds i.e.
1hour=60×60
=3600
Therefore speed in m/s=300000/3600
=3000/36
=83.34m/s
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Answer 2

converting 300 kmph into m/s :

⇒ 300 × (5/18)

⇒ 1500/18

⇒ 500/6

⇒ 250/3

⇒ 83.3 m/s