The electric potential at points in an xy plane is given by v = (4.0 v/m^2)x^2 − (2.0 v/m^2)y^2. in unit-vector notation, what is the electric field at the point (5.0m, 3.0m)? (express your answer in vector form.)

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

Two charged particles, q1 and q2, are located on the x-axis, with q1 at the origin and q2 initially at x1 = 12.2 mm. in this configuration, q1 exerts a repulsive force of 2.62 µn on q2. particle q2 is then moved to x2 = 18.0 mm. what is the force (magnitude and direction) that q2 exerts on q1 at this new location? (give the magnitude in µn.)