What is relative velocity in one dimension, if VA and VB are the velocities of the body A and B
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Velocity of train A = va
Velocity of train B = vb
For trains moving in two parallel tracks , two cases are possible
Case 1
(When trains are moving in same direction )
Velocity of A wrt B (Vab) = (va-vb)
Velocity of B wrt A (Vba) = (vb-va)
Case 2
( When trains are moving in opposite directions )
Now since the directions of motion of both the trains are opposite too each other , hence we take one direction (say A) positive then the other becomes negative ie; B is negative then,
Velocity of A wrt B (Vab) = (va -(-vb))
= (va+vb)
Velocity of B wrt A (Vba) = (vb-(-va))
(vb+va)
Hope this helps
tusharsakhla:
us ldk en ptanhi kya kya kha tha tujhe laila ye vo usko bhr bhr k galia di maine fir
abe in bsdwalo k moo lagtii hi ku h baat hi ku krtii h inki aukat h nhi bkl ki vaise itni jo apne tatee jaise moo se tera naam le
lr fir bhi uske peeche tujhe ek dusre bnde n to kha na
ptanhi ab chd tu apni baate kr jo hum dusre answer pr kr rhe h
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