Which of the following quantities is a vector in character?

electric energy

electric potential difference

electric charge

electric field

What is the current in a circuit that has voltage of 121.3 V and a total resistance of 56.3 Ohms? Include units.

A plane is flying 2400 miles from a to b. the speed of the plae is 600mph and the speed of the tailwind is 40 mph how many hours after take off would it b efaster to get to b rather than to return to a in case of emergency

Calculate the speed with which the moon orbits the earth given the distance from earth to moon as R = 3.84 · 108 m. (Astronomers note that the true orbital period of the moon, is 27.3 Earth days.

Two automobiles of equal mass approach an intersection. One vehicle is traveling with speed 13.0 m/s toward the east, and the other is traveling north with speed v2i. Neither driver sees the other.

What was the result of the Mexican army's victory over the Texan garrison at the Alamo?

What happens to the particles of the liquid inside a thermometer when the thermometer is heated? They slow down and spread apart. They speed up and spread apart. They slow down and move closer together. They speed up and move closer together.

You did 150 joules of work lifting a 120 - N backpack. how high did you lift the backpack? how much did the backpack weigh in pounds

After the layers of sediment are deposited in one place, they are

A rectangular gasoline tank can hold 50.0 kg of gasoline when full. What is the depth of the tank if it is 0.500-m wide by 0.900-m long, given that the density of gasoline is 6.8 x 102 kg/m3

Which statement best describes the kinetic theory of matter? Matter is made up of compounds that are in constant motion and have energy. Matter is made up of particles that seldom move and do not possess energy.