A quantity that has only one magnitude

Compare the energy consumption of two commonly used items in the household. calculate the energy used by a 1.20 kw toaster oven, wtoaster, which is used for 6.20 minutes and then calculate the amount of energy an 11.

Which of these follows from kepler's laws of planetary motion? A - A satellite will slow down as it gets further from the much more massive object it orbits. B - Objects attract each other with a force proportional to the product of their masses.

A 13.5 μF capacitor is connected to a power supply that keeps a constant potential difference of 24.0 V across the plates. A piece of material having a dielectric constant of 3.

what happens to the temperature of water in a cup when the average kinetic energy of the water particles decrease

A box is being pulled to the right on flat ground with a force of 112 N at an angle of 42° to the horizontal. What is the x-component of the force of tension?

A solution of phosphoric acid was made by dissolving 10.0 g H3PO4 in 100.0 mL water. The resulting volume was 104 mL. Calculate the density, mole fraction, molarity, and molality of the solution. Assume water has a density of 1.00 g/cm3.

A basketball player who is 2.00 m tall is standing on the floor 10.0 m from the basket. If he shoots the ball at 40 degree angle above the horizontal, at what initial speed must he throw so that it goes through the hoop without striking the

Two banked curves have the same radius. Curve A is banked at 12.7 °, and curve B is banked at an angle of 15.1°. A car can travel around curve A without relying on friction at a speed of 19.1 m/s.

All scientific theories on the solar system are based on

The index of refraction of a material medium must be greater than 1. true false