Which property of coal makes it ideal for use in a power plant? Check all that apply.

It burns easily.

It makes ash.

It is renewable.

It produces a lot of energy.

It contains mercury.

If the amplitude of a sound increases, which statement is true?

A solid sphere has a temperature of 556 K. The sphere is melted down and recast into a cube that has the same emissivity and emits the same radiant power as the sphere. What is the cube's temperature in kelvins

A man with mass 82 kg runs at a speed of 2.8 ms How much kinetic energy does he have? A. 114.8 B. 221.8 C. 321.4 D. 642.9

What is the unit for height

A car braked with a constant deceleration of 8 ft/s2, producing skid marks measuring 100 ft before coming to a stop. how fast was the car traveling when the brakes were first applied?

Assuming that voltage remains constant, what happens to the current in a filament if it is replaced by a thinner wire? A. The current increases. B. The current decreases. C. The current is not affected by a change in filament thickness. D.

What is blochemistry?

Which element in period 3 on the periodic table is a metallioid

Your 300 mL cup of coffee is too hot to drink when served at 87.0 degrees Celsius. What is the mass of the ice cube, taken from a - 15.0 degrees Celsius freezer, that will cool your coffee to a pleasant 65 degrees Celsius?

How can the same material bend in one situation but break in another