Question

a person is cycling apparel to a railway track with a speed of 10 km per hour a train travelling in the same direction at 48 km per hour passes him in 22 seconds find the length of train

Answer 1

23


10km/hr= 10×5/18=50/18=25/9m/s
48km/hr=48×5/18=40/3m/s
40/3-25/9=95/9m/s
length of train=95/9×22=2090/9m=232.2m