If a photon has a frequency of 1.15 * 1015 hertz, what is the energy of the photon? Given: Planck's constant is 6.63 * 10-34 joule·seconds.

What is the basic building block of all matter

What does physical education mean

The ratio of girls to boys in a an astronomy club was 1 : 8. There were 5 girls. How many total members were there in the club?

How does the size of an atom relate to its electronegativity?

Carl and Abby are discussing what they have learned in class about electricity and magnetism. Carl tells Abby that an electric current running along a wire can be used to produce a magnetic force.

Which reaction obeys the law of conservation of mass?

Smaller bits of rock that pass through the atmosphere and slam into Earth's surface are called a. asteroids. b. meteors. c. meteorites. d. meteoroids.

What is the conversion from 1.2 mm to m

Which sentence contains italicized words that are used as an infinitive phrase? A. Kelly went to the grocery store. B. Tom went there for some flour. C. Mark wanted to go, but not today. D. Jane parked her car behind a truck.

The difference in electric potential between a thunder cloud and the ground is 1.53 108 V. Electrons move from the ground which is at a lower potential to the cloud which is at a higher potential.