Dennis Joyce of the United States threw a boomerang and caught it at the same location 3 min later. Suppose Joyce decided to work out while waiting for the boomerang to return. If he expended 52 kJ of work, what was his average power output during the workout?

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.)