when a beam of light passes at an oblique angle into the material of lower optical density the angle is of incidence is

Needed answer NOW: How can atoms make up of all substance around you? Explain in one sentence.

Explain why intensity levels an important factor indoor workouts

The current in a long wire creates a magnetic field in the region around the wire. How is the strength of that field at a given distance, r, r from the wire center related to the magnitude of the field

Felis domesticus is the scientific name for a house cat. Felis refers to the genus the cat belongs to. What part of the scientific name is domesticus? A. Its common name B. The phylum it belongs to C. The species name of this cat D. Its nickname

Which of the following describes an electric fan?

How does sound travel from your vocal cords to someone's ear?

Select all the correct answers. Copper is listed in the 29th position in the periodic table. It's used for conducting electricity. What is copper? a metal a metalloid a nonmetal a noble gas an element

Neutron stars are smaller in size than less massive white dwarfs. a. True b. False

A lightning bolt carrying 30,000 A lasts for 50 micro-seconds. If the lightning strikes an airplane flying at 20,000 feet, what is the charge deposited on the plane?

David walks 3 km north, and then turns east and walks 4 km