A 06-C charge and a 07-C charge are apart at 3 m apart. What force attracts them?​

Will you chech and finish these for me, because i am stumped with them.

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

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