Quick Homework Question

[Jonnyfive]

1 is travelling at 100mph stops for 7.30 minutes,4.12 minutes then 18.02 minutes on a section 300 miles long.

2 is travelling at 76mph on a 400 mile piece of track and stops for 19.09 minutes,1.34 minutes then 46.08 minutes then goes up a hill that slows it down to 36mph,speeds up to 100mph for 12 minutes then crosses a chicane at 3mph.

What time do the 2 trains meet?

[Jonnyfive]

Sorry title should be two trains traveling towards each other

[Jonnyfive]

at 13.00 pm

[Jackdaw33]

They don't. According to your info they are on different lines.

[Jonnyfive]

Sorry what time do they pass each other. I'm doing about 4 different projects simultaneously so excuse my mistakes.

[woofgang]

If its brit rail then who knows? Are there leaves on the line?

[Jonnyfive]

Okay let's say their japanese bullet trains that are never late and ran by a reputable company that never lies and uses train track cleaners daily so leaves or anything else on tracks are never a problem.

[Jonnyfive]

Neither tsunamis or earthquakes in case some clever clogs comes up with that.

Hurry please I have a flight to catch in 6 hours.

[Baldric]

///then goes up a hill that slows it down to 36mph/// For how long?

///then crosses a chicane at 3mph/// For how long?

[Jonnyfive]

Crosses at the speed it's traveling at of course.

[bhg481]

Surely there isn't enough information. eg, how long are the hill and chicane for train 2?

Is 19.09 minutes 19 mins 9 seconds or 19.09 minutes?

Can we asume instant acceleration back to running speed after the stops?

[Jackdaw33]

What is chicane in the context of railway? Does it mean a set of points?

[Baldric]

///Hurry please I have a flight to catch in 6 hours.///

Long trip back to school JF?

[Jonnyfive]

Oh I see. Let me phone my classmate as I don't have the papers in front of me.

[Jonnyfive]

Okay the train goes up a hill that slows it down to 36mph for 6.07 minutes and then crosses a 100metre long chicane at 3mph which takes 9.00 minutes.

[Jonnyfive]

/Long trip back to school JF?/

Noo.....My school is back here Uol in London, I'm flying to the states if that's any of your concern.

[Jonnyfive]

By school I mean class if you know what I'm saying.

[Baldric]

Speed and Sound Magazine JF?

[Jonnyfive]

Nooo....University of London. Do you not understand abbreviations?

[Jonnyfive]

I've asked in the scientific section where I guess the iq's are higher but thanks anyway.

[THECORBYLOON]

If it's going at 3mph why would it take nine minutes to travel 100 metres when it goes at eighty-eight yards a minute?