The rate at which light energy is radiated from a source is measured in which of the following units?

A. Lumen

B. Candela

C. Lux

D. Angstrom

Which electromagnetic wave transfers the least amount of energy? A. gamma B. X-ray C. ultraviolet D. microwave

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Gwendolyn has a mass of 17 kg. she is riding her scooter at 1.15 m/s to the right when she runs into maya. maya has a mass of 13 kg and is standing on her scooter but not moving. when they collide, the girls grab onto each other and move together.

A force acts on an object and moves it a certain distance. The product of the force and the distance is the done on the object.

If a students clothing catches fire the student should

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The excerpt is from an article that Roberto read for science class called "Using the Scientific Method to Study Tomatoes." The student performed an experiment to test his hypothesis about sunlight and plant height using two plants.

Does coffee contain corn? What other food in cafes are corn? Fun fact: Almost all our food comes from corn. Corn wipe out most farmers, and corn is our mainly food. We eat it everyday.

When the amplitude of a wave triples, the intensity changes by a factor of [blank] (1/3,1/9,3,9) When the amplitude of a wave is cut in half, the intensity changes by a factor of [blank] (1/4,1/2,2,4) When the distance between the source and your

The rate at which light energy is radiated from a source is measured in which of the following units? A. Lumen B. Candela C. Lux D. Angstrom