A train accelerates from rest for time t1 at a constant rate a and then it retards at the constant rate b for time t2 and comes to rest. Find the ration t1/t2. A train accelerates from rest for time t1 at a constant rate a and then it retards at the constant rate b for time t2 and comes to rest. Find the ration t1/t2. September 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related