Two large parallel plates are separated by 0.65 cm and carry uniform charge densities equal in magnitude and opposite in sign. a proton is between the plates and has an acceleration of magnitude 1.58×1011 m/s2 . part a part complete find the magnitude of the charge density on the plates.

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.