A monochromatic beam of light has a frequency

of 7.69 * 10^14 hertz. What is the energy of a

photon of this light?

(1) 2.59 * 10^-40 J (3) 5.10 * 10^-19 J

(2) 6.92 * 10^-31 J (4) 3.90 * 10^-7 J

The scientific name for the common house cat is felis demesticus

Two tuning forks produce sounds of wavelengths 3.4 meters and 3.3 meters. Given that the speed of sound is 340 m/s, approximately what beat frequency is produced when both tuning forks are struck simultaneously? A) 0.1 hertz B) 1.0 hertz C) 2.

A rectangular garden has a perimeter of 54 feet. it's length is 3 less than twice its width. write and solve an equation to solve for the gardens dimensions

Why is law of conservation of momentum important?

What causes the end of a star?

For a satellite to stay in orbit around Earth, it has to be moving forward very fast all the time. What force will make it fall to Earth if it goes too slowly?

A student hangs a balloon from a string then rubs it on their hair and releases it. They rub a second balloon on their hair then move it towards the hanging balloon the moving balloon moves away because ...

Plato and the Soul. A. Plato believed that our souls died with our physical bodies. B. Plato believes our souls were the shadows on the cave walls. C. Plato believed our souls did not exist.

A 1000 kg satellite and a 2000 kg satellite follow exactly the same orbit around the earth. What is the ratio F1/F2 of the gravitational force on the first satellite to that on the second satellite?

How does the skater's kinetic energy changes as he moves down the ramp?