Joshua had invented a special green house . By turning a

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow

The ability to make things happen is also called a. heat b. force c. matter d. energy

Athird point charge q3 is now positioned halfway between q1 and q2. the net force on q2 now has a magnitude of f2,net = 5.861 n and points away from q1 and q3. what is the value (sign and magnitude) of the charge q3?