Batteries should only be removed from the premises by a licensed battery hauler for recycling. a) true b) false

Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.