A train wagon with speed v and mass m collides head-on and attaches to two conjoined wagons initially at rest on the rai
Posted: Wed Jul 06, 2022 11:23 am
A train wagon with speed v and mass m collides head-on and attaches to two conjoined wagons initially at rest on the railway to Busan. How much mechanical energy is lost in the process? O 3mv^2 O none among the choices Omv^2/3 Omv^2/2 O2mv^2