A 5.00 kg box on an elevator travels at a constant velocity upward. What is the normal force on the box? A) 5.00 N
B) 54.0 N
C) 44.0 N
D) 49.0 N

Which statement about covalent bonds is true

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.