HEY CAN ANYONE PLS ANSWER DIS!

Which type of wave can travel without a medium

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)

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.