The force exerted by an electric charge at the origin on a charged particle at a point (x, y, z) with position vector r= hx, y, zi is f~ (r) = k r |r| 3 where k is a constant. find the work done as the particle moves along a straight line from (2, 0, 0) to (2, 1, 5).

Sarah and michelle work at a tech company that designs exercise apps. sarah tells michelle she has heard that james, their supervisor, interviewed with a competitor and may be leaving the company, which would open up a management position. what kind of power is sarah exerting?

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates