Location A is 1.90 m to the right of a point charge q. Location B lies on the same line and is 4.40 m to the right of the charge. The potential difference VB - VA = 48.0 V. What is the magnitude and sign of the charge?

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

What is the major limitation to the light microscope?

You charge a parallel-plate capacitor, remove it from the battery, and prevent the wires connected to the plates from touching each other. when you increase the plate separation, what happens to the following quantities?