How old is the universe

Nuclear power stations transfer useful energy to other energy stores. How is this useful energy carried from the power stations? I

No one answer this The frequency of a G note is 392 Hz. If the speed of sound is 343 m/s, what is the wavelength?

Two identical isolated conducting spheres are picked for an experiment. Only one of them is charged. If the spheres are now briefly brought into contact and then separated by a small distance, the two spheres would experience

State and explain Newton's Law of cooling.

Which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form

What is a relatively small rocky body that travels through out space

Which is true about the pressure of a fluid at a specific depth? It varies with the total volume of the fluid. It depends only on the type of fluid. It is exerted only in the downward direction. It depends on the surface area of the fluid.

The sum of potential and kinetic energies in the particles of a substance is called energy. True or False

Element X has a mass number of 40 and an atomic number of 20, and element Y has a mass number of 56 and an atomic number of 26. Element X has more neutrons and fewer electrons than element Y. more neutrons and electrons than element Y.

How does mass affect average speed?