Power applied to a particle varices with time as `P =(3t^(2)-2t + 1)` watt, where t is in second.
Channel: Doubtnut
Date: 12/07/2020

Power applied to a particle varices with time as `P =(3t^(2)-2t + 1)` watt, where t is in second. Find the change in its kinetic energy between time `t=2s` and `t = 4 s` .