Rohan arora

This page lists questions and answers that were posted by visitors named Rohan arora.

Questions

The following questions were asked by visitors named Rohan arora.

trainA is moving at speed of 115 km/hr on a track on the same track 100 m away a trainB is moving at speed 25km/hr what should be the least retardation of trainA so that it doesn't collide? My answer is coming as 63 km/he but it's wrong please help?
8 years ago

Answers

The following answers were posted by visitors named Rohan arora.