Math, asked by rakesh3166, 1 year ago

a train 280 m long,running with a speed of 63 km/hr will pass a tree in .

Answers

Answered by arya2005
2
distance =280
speed =63km/hr

time=d/s=280/63 hour=4.45hour(approx)

arya2005: pls Mark me as brainliest
rakesh3166: no it is wrong answer
arya2005: how
rakesh3166: in my questions option ans list shows it will be in second
rakesh3166: ans is like 15sec
rakesh3166: or 11,12,13,14,15,16 sec
arya2005: sorry by mistake I have not changed km/hr to m/sec
arya2005: like that and is 15 sec
rakesh3166: how explain pls
arya2005: 63km/hr=63×5/18.........time=280×1/63×18/5
Answered by yamsmaya0293
3

Step-by-step explanation:

let it find time

time= distance/speed

there hours converted into second

speed = 63×5÷18

=17.5m/s

therefore time=280÷17.5

=16sec

therefore it will take 16sec to cross a tree

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