A bat flew from my window to the street, 55 feet away. Then he turned around and came back to my window. What is the distance he travelled? What is his displacement?

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)

What causes the formation of ocean currents?

What does si stand for,when referring to a system of measurement