6. A boy exerts a force of 11.0 N above the horizontal on a 6.40 kg sled that experiences a coefficient friction of 0.12 with the ice. If the sled moves 2 m and has an initial speed of 0.5 m/s Find A)The work done by the boy B) The work done by friction C)The final speed of the sled after it moves 2.00 m D) The Power developed by the boy