Charge q1 = -7.5 nC is located at the coordinate system origin, while charge q2 = -1.92 nC is located at (a, 0), where a = 1.3 m. The point P has coordinates (a, b), where b = 0.95 m. A third charge q3 = 13.5 nC will be placed later.

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

What do you think car designers do if the damage caused by a crash test is too severe?

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?