A sphere of diameter 3.0cm is mounted into a thin uniform wire of diameter 0.2mm. Calculate the length of wire in meters

What will a positive and a negative charge do if they are separated from each other?

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.