Question

Ak train 10 second me 18km/h se 72 km/h ki speed pakarti Hai. Train dwara tai ki gyi duri

Answer 1

Step-by-step explanation:

Initial final

SPEED = 18 72

1 : 4

TIME. = 4 : 1

Difference = 3 parts = 10 secs

1 part = 10/60*3

= 1/18 hrs

Speed = D/T

D = 72 * 1/18

= 4 Km