Technology

Person travelling by train many hours School pessenger Delhi a Gaya kya is Delhi come to this games removing Delhi towards a passenger we say that the understanding of what is wrong at all a slope that actually it is the train which is moving not the use City Delhi from passengers point of view we will realize relative to him all parts of trainer at rest which means relative to hit train is at risk children passenger gets down from train he is in the city does it must be cities which are moving the point is that when the person standing on a ground says that actually is it is a train which is moving and reaching to Delhi is also write the difference here is the reference frame of reference frame is an excess system from which motion is observed o'clock this is a child to measure time difference frame can be stationary or even there are two types of reference frame the two dimensional situation consider the three of the Russian actress ko a b position of B from reference frame of a is our BA we must understand if he wants to go and the bee is made look any rest it is a direction of the velocity which will be the given to MB for an origin of a frame of reference is not it is a it is cell from our knowledge of factors we can understand that so we know that if body passes us by and opposite direction in we find them moving really fast in effect in both cast to find the velocity of a and b we have AP jbs velocity reserve to both velocity is v and v which are subtracted when we and we are in the same direction and added when they are in opposite direction.