What is the approximate frequency of a photon having an energy 5 * 10-24 j? (h = 6.626 * 10-34 j⋅s) ?

Johannes Kepler discovered the laws that bear his name by analyzing the observational data of which astronomer? a. Tycho Brahe b. Galileo Galilei c. Sir Isaac Newton d. Nicolaus Copernicus

If the force exerted by a canon on a cannonball is equal to the force exerted by a cannonball on a canon why does the cannonball move so much farther than the canon?

At table tennis ball has a positive charge of 4.50 * 10-8 coulombs. It experiences a force of 2.72 * 10-3 newtons due to an electric field. What is the strength of the electric field? 2.72 * 10-10 newtons/coulomb 4.50 * 10-11 newtons/coulomb 6.

What wave is a wave in which the vibration of the medium is parallel to the direction the wave travels.?

Living organisms increase in complexity as they grow, resulting in a decrease in the entropy of an organism.

A brick is released with no initial speed from the roof of a building and strikes the ground in 2.50 s, encountering no appreciable air drag.

State 3 properties of air Try your best doesn't have to be all of them

Which of the following statements correctly compares the frequency and energy of infrared waves and ultraviolet waves? A Infrared waves have lower frequencies than ultraviolet waves.

An object in the solar system orbits the Sun and has enough mass that its gravity has pulled it into a spherical shape, but it does not have enough gravity to clear its neighborhood of orbiting debris. This object is classified as:

An 8.5 l tire is filled with 0.55 moles of gas at a temperature of 305 k. what is the pressure of the gas in the tire?