A particle moving with an initial velocity u m s^-1 is retarded by a force at the rate of a = -k root v, where k is a positive constant it and v is the instantaneous velocity. The particle comes to the rest in a time given by A particle moving with an initial velocity u m s^-1 is retarded by a force at the rate of a = -k root v where k is a positive constant it and v is the instantaneous velocity. The particle comes to the rest in a time given by September 9, 2020 Category: Chapter 3 - Motion in One Dimension , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related