6. Borax was mined in Death Valley, California, during the nineteenth century. It was transported from the valley by massive88wagons, cach pulled by a team of 21 mules. Suppose each mule's power output was 746 W (about 1 hp). Ifin a certain time interval the total work done by the team on the wagon was 2.35 x 10'). how long was that interval of time?​

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)