A neutral metal can is mounted on a foam stand. A positively charged balloon is brought near. The can is touched on the

opposite side.

Negative

Positive

Explanation:

When a positive charge balloon is brought near the neutral metal can, the positive charge in the ballon, delocalization and arrangement of like charges occurs. The positive charge then flow to the an end while the negative charges flows to the other end.

Thus, after being touched, the charge on the can is negative.

And, If not touched, the charge on the ballon remains positive.

the first, second, and fifth options

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s