Question

A train start from rest and covers a distance of 450 metre in 2 minute . Calculate the speed of the train in (1) m/ s (2) km/ h Solution

Answer 1

Answer:

1)3.75   2)13.3

Explanation:

Time = 2×60  =120 sec

We know that speed =distance /time

                                   = 450 / 120

                                   = 3.75 m/s

       1km/h = 5/18 m/s

                                    = 3.75 × 18/5

                                    =13.3 km /h

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