Which two properties of light relate to the amount of energy carried by the light? A. speed and amplitude

B. frequency and period

C. color and wavelength

D. frequency and amplitude

In middle ages people believed that abnormal behavior was cause by? A-Pysic function of the brain B-imbalance of fluids C-demonic possession D-genetic influence

A pendulum with a period of 1 s on Earth, where the acceleration due to gravity is g, is taken to another planet, where its period is 2s. The acceleration due to gravity on the other planet is most nearly 1. ag = g 2. ag = g/4 3. ag = 4 g 4.

You are asked to explain the Earth's magnetic field. Which is the best reply? A.) The Earth's magnetic south is similar to the north pole of a magnet. B.) The Earth's core has a strong magnetic charge similar to the south pole of a magnet. C.

What condition associated with shocks does passing a large current through the heart fail to cure? A. Uniform polarization of the heart membranes B. Return fibers to resting position C. Start the heart functioning again D.

Describe the proton gradient generated by the electron transport chain

An object rolls east at a steady speed of 12m/s for 3.0 seconds. what distance did it travel

What is another name for Kepler's first law? A. law of periods B. law of ellipses C. law of universal gravitation D. law of equal areas in equal times

An airplane has a momentum of 22,125 kg*m/s. if the airplane moves at a speed of 25 m/s. what is its mass?

There are more electrons than protons in a negatively charged atom. 1. True 2. False

In most cases, what happens to a liquid when it cools? A) Its density increases B) Its density decreases C) Its mass increases D) Its mass decreases E) Its volume increases F) Its volume decreases