A massless spring of spring constant k has two ends P and Q

Last updated: 6/25/2023

A massless spring of spring constant k has two ends P and Q as shown in the figure End Q is being pulled by person B with constant speed u towards right End P is being pushed by person A with constant acceleration a towards starting from rest Both starts simultaneously Choose the correct option at the instant when B appears to be at rest with respect to A right A P a A B C mmmm O u B work done by B ku 3a work done by A 5ku 24a work done by A 5ku 24a