Which one of the following is the equation for the first law of thermodynamics?

A. PV = nRT

B. PV/T

C. ΔU = Q - W

D. W = PΔV

systems distribute heat energy by the circulation of air.

The pressure inside a latex balloon is nearly the same as the pressure outside. If you let a helium balloon go, and if, as it rises, it stays at a constant temperature, the volume of the balloon will:A. stay the sameB. IncreaseC. Decrease

We want to find the output waveform of an inverter by solving the differential equation numerically using NDSolve for two different Vin (t) clock waveforms.

Raindrops make an angle with the vertical when viewed through a moving train window. If the speedometer on the train is showing that the speed of the train is v, what is the speed of the raindrops in the reference frame of the Earth in which they

A physics major is cooking breakfast when he notices that the frictional force between the steel spatula and the dry steel frying pan is only 0.100 N. Knowing the coefficient of kinetic friction between the two materials (0.

Which formula is used to calculate the mass of an object if the force and acceleration are known? a: m = Fa b: m = F/a c: m = a/F d: m = F - a

The circulatory system keeps the body and its tissues continuously oxygenated. It does this by having A) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs.

What is the "atomic mass" of an atom?

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass