The electric potential in a region that is within 2.00 m of the origin of a rectangular coordinate system is given by V=Axl+Bym+Czn+D, where A, B, C, D, l, m, and n are constants. The units of A, B, C, and D are such that if x, y, and z are in meters, then V is in volts. You measure V and each component of the electric field at four points and obtain these results:Point (x, y,z)(m)V(V)Ex(V/m)Ey(V/m)Ez(V/m)1 (0, 0, 0) 10.0 0 0 02 (1.00, 0, 0) 3.0 12.0 0 03 (0, 1.00, 0) 5.0 0 12.0 04 (0, 0, 1.00) 7.0 0 0 12.0a. Use the data in the table to calculate A.
b. Use the data in the table to calculate B
c. Use the data in the table to calculate C
d. Use the data in the table to calculate D
e. Use the data in the table to calculate E
f. Use the data in the table to calculate l
g. Use the data in the table to calculate m
h. Use the data in the table to calculate n

Rubber on floor tile has a coefficient of kinetic friction of 1.0 and a coefficient of static friction of 2.0. how much force would a 3.5 lb. robot need to produce in order to start moving?

During physical science, ms. greene challenged her students to produce an energy transformation. james and jill wrapped a 4-inch nail with a coil of fifty turns of wire. they connected one end of the coil to one terminal of a knife switch. they connected the other terminal of the knife switch to the battery. finally, they connected the end of the coil to the other terminal of the battery. james held the tip of a 1-inch nail near the flat end of the 4-inch nail. jill closed the knife switch quickly and then opened it. the 1-inch nail was pulled toward the 4-inch nail. what is the best explanation of why the nail moved? a) electrical energy was converted to mechanical energy in the 1-inch nail. b) the 4-inch nail became an electromagnet and the magnetic force attracted the 1-inch nail. c) the electric current in the 4-inch nail was converted to mechanical energy in the 1-inch nail. d) the 4-inch nail had a positive charge and the 1-inch nail had a negative charge. opposites attracted.

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than