Physics, asked by anilujnashu, 1 year ago

A train starts from rest and covers a distance of 450min 2 min. Calculate it's speed in SI unit and in km/h

Answers

Answered by AR17
2
Heya user !!!

Here's the answer you are looking for

Distance = 450m = 0.45km

Time = 2min = 120sec = 2/60 hr = 1/30 hr

In SI unit (m/s) the speed is

450m/120sec = 3.75m/s

In km/hr, the speed is

= 0.45km/(1/30)hr

= 0.45 × 30 km/hr

= 13.5km/hr


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