can u guys help me with my revision on 1d 2d and nlm?

Question

aravindg · Answer

1.Two trains A and B, 100 km, apart, are travelling towards each other
With starting speeds of 50 km/hr.  The train A is accelerating 
At 18 km/hr2 and B is decelerating at 18 km/hr2.  Find the distance from the initial position of A of the point when the engines cross each other.

2bornot2b · Answer

There is a little thing you need to know to solve these problems. The answer is to be taken as x, and then the solution can be easily found

aravindg · Answer

??i need the othr way first then tell me this one

2bornot2b · Answer

other way?

aravindg · Answer

ya starting as usual not starting from answr

aravindg · Answer

i mean the ordinary way .

2bornot2b · Answer

Oh no no, I didn't mean that, I meant that is the way to start That is the ordinary way.

aravindg · Answer

k show

2bornot2b · Answer

Just start as follows

Let the distance between the initial position of A and the point at which they meet be x

2bornot2b · Answer

Then draw picture showing the problem.

aravindg · Answer

k

aravindg · Answer

cntinu

2bornot2b · Answer

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