Is the meter, centimeter, or millimeter more useful for measuring the length and width of your classroom? why?

No glass is perfectly transparent. Mainly because of reflections, about 92% of light passes through an average sheet of clear windowpane. The 8% loss is not noticed through a single sheet, but through several sheets, the loss is apparent.

What is the latitude and longitude of Washington D. C.

Matter that emits no light at any wavelength is called A. negative space. B. dark energy. C. a black hole. D. dark matter.

What it's the speed of light in a vacuum in mi/s?

Why does cold water sink?

What type of wave is sound? longitudinal light surface transversal

What is the difference between meteors and meteorites?

The puzzle box is traditionally associated with the work of

A 0.95-kg sample of water at 11°C is in a calorimeter. You drop a piece of steel with a mass of 0.39 kg at 212°C into it.

Let the magnitudes of two displacement vectors be 4 m and 8 m, respectively. If the two vectors are added, the magnitude of the resultant vector. A. is exactly equal to 4 m. B. is exactly equal to 12 m. C. is greater than 12 m. D.