Aman of mass 50kg ascends a flight of stairs 5m high in 5 seconds. if acceleration due to gravity is 10ms-2, the power expended is

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)