A drum of mass ‘m’ kg was rolled down a ramp. At the bottom of the ramp its kinetic energy was 10kJ and velocity was 20m/s. With what velocity (in m/s
Question
A drum of mass ‘m’ kg was rolled down a ramp. At the bottom of the ramp its kinetic energy was 10kJ and velocity was 20m/s. With what velocity (in m/s) was it pushed down the ramp if its initial kinetic energy was 625 J?