Q. A 1.5{rm kg} block rests on top of a 7.5{rm kg} block. The cord and pulley have negligible mass, and there is no significant friction anywhere. What force F should be applied to the bottom block so the top block accelerates to right at 2.6 m/s^2?
Q. Q. Tim and Rick both can run at speed and walk at speed, with. They set off together on a journey of distance. Rick walks half of the distance and runs other half. Tim walks half of the time and runs the other half. In terms of given quantities, in the special case that, what will be Tim's margin of victory?