Un albañil realiza un trabajo de 8750 Joules para mover una carretilla llena de arena por un trayecto de 50m. determina la fuerza que presenta el albañil.

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Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.