Question

2 persons a and b start from given point and travel on straight road at a uniform speed of 30 km‐¹ and 50km h‐¹ respectively. A starts at 7 am and B starts half an hour later. Plot graphs for their motion and find at what time B would cross A and also the distance travelled by each one of them before meeting.(ans. At 9.45 am;37.5 km)​

Answer 1

at 9:45 am B would cross A and also the 37.5 distance traveled by each one of them before meeting