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

A 450-g black crow is raiding the recently-filled bird feeder. As someone runs out the back door to scare the crow away, it pushes off the 670-gram feeder with a takeoff speed of 1.5 m/s.

Which of the following decreases the dissolving rate of a solid in water?

Matching fossils go with what hypothesis?

How are the mass and weight an object related? Include a description with words and a equation.

You are standing in a moving bus, facing forward, and you suddenly fall forward as the bus comes to an immediate stop. the force acting on you that causes you to fall forward is

A 5.1 kg black bear cub weighs 49.98 N. The cub is carried by its mother up into the safety of a white pine tree.

Which location is associated with persistent upwelling of cold water to the ocean surface?

What type of electromagnetic radiation is associated with the peaks in this spectrum chem 237?

Why is it necessary to eliminate absolutely all invasive fire ant colonies to eradicate the invasive population? a. Every colony has a major impact on native flora and fauna. b. Because the last colony found is the one housing the invasion's queen.

Imagine a particular exoplanet covered in an ocean of liquid methane. At the surface of the ocean, the acceleration of gravity is 6.20 m/s2, and atmospheric pressure is 7.00 ✕ 104 Pa.