You put a test charge of 2e near two other particles. Particle A has a charge of -2e and is 0.02 m north of the test charge. Particle B has a charge of 3e and is 0.02 m east of the test charge. The magnitude of the net electrostatic force on the test charge in Newtons is:

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.