Two boys And B travel along the same path .The displacement-time graph for their journey is given in the following figure:(a) How far down the road B has travelled When A starts the journey ? (b) without calculation ,the speed , state who is traveling faster A or B? (c) what is the speed of A? (d) What is the speed of B? (e) Are the speed of A and B uniform (f) What does point X on the graph represent? (g) What is the speed of approach of A towards B? (h) What is the speed of seperation of A from B ?
Dear Student,
a) When A starts his journey at 4 sec, B has already covered a distance of 857 m
b) A travels faster than B because A starts his journey late but crosses B and covers more distance then B in the same time as B
a) When A starts his journey at 4 sec, B has already covered a distance of 857 m
b) A travels faster than B because A starts his journey late but crosses B and covers more distance then B in the same time as B