a train starts from rest and accelerates uniformly for 30 sec to acquire velocity of 108 km/hr.it travels for this velocity for 20 mins.after that driver applies brakes. to train retards uniformly to stop after 20 sec.find total distance covered by train??
 

  • -1
2250m

Calculate distance travelled in each part:- 
1) Acceleration part
2) Constant speed part
3) Retardation part

Calculate all distance  by 2nd equation of motion by finding acceleration by 1st equation of motion
 
  • -6
What are you looking for?