look at the picture below. Each circle represents an atom. if they are touching they are chemically combined. each element is represented by a pattern. write the number of atoms molecules elements and compound for each example the lines below. the first exampke has been done for you

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?