Question

$\bf \red{for \: brainly \: moderators \: and \: experts}$
•How much time is needed for a 240 metre long train moving at a speed of 54Km/hr to cross a tunnel of length 330m?
________________________________
$\sf \pink\dag \: do \: not \: spam$
​

Answer 1

Answer:

54km/h = 54000/3600 m/s = 15m/s

Time to cross pole =11 s

Hence length of train = v×t = 15× 11= 165 m

Time taken to cross platform = ( Length of platform+ length of train)/v = 165+240)/15 = 405/15 = 27 Second.

Answer 2

Answer:

you already make BRAINLIEST !!

Step-by-step explanation:

always love your friends from heart not for need or mood

I hope this will help you

Leave a thanx here

itz Mich Riya