Three particles having charges of +q, +Q, and - Q are placed at the corners of an equilateral triangle of side a, as shown below. The net force on the particle with charge
+q due to the other two charges is in the plane of the page and directed
(A)vertically upward
(B) vertically downward
(C) horizontally to the right
(D) horizontally to the left
(E) toward the charge - Q

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

Which governments provide garbage collection services to homes and businesses

On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?