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The energy of motion is called A. kinetic energy. B. potential energy. C. thermal energy. D. work.
Weegy: Energy of motion is called A. Kinetic energy (More)
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Asked 10/15/2012 12:38:50 PM
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Electromagnetic waves vary in A. the speed they travel in a vacuum. B. wavelength and frequency. C. the way they reflect. D. the orientation of their electric and magnetic fields.
Weegy: Electromagnetic waves vary in B. wavelength and frequency. User: To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its A. wavelength. B. intensity. C. refraction. D. amplitude. User: An electromagnetic wave in a vacuum has a wavelength of 0.07 m. What is its frequency? A. 3.0 x 108 m/s B. 4.3 x 109 Hz C. 3.0 x 109 Hz D. 4.3 x 108 m/s Weegy: B. 4.3 x 109 Hz is the frequency of An electromagnetic wave in a vacuum and has a wavelength of 0.07 m. User: Because light travels in a straight line and casts a shadow, Isaac Newton hypothesized that light is A. radiation. B. a stream of particles. C. a wave. D. heat. Weegy: A. radiation. User: Which of the following occurs as light travels farther from its source? A. Far from the source, photons come together in a small area. B. The intensity of light increases as photons move away from the source. C. The source gives off less light as photons move away from it. D. Far from the source, photons spread over a larger area. Weegy: The correct answer is D. Far from the source, photons spread over a larger area. User: Infrared rays have a shorter wavelength than A. ultraviolet rays. B. X-rays. C. radar waves. D. gamma rays. Weegy: C. radar waves is the answer. Hope this helps. User: Cellular telephones utilize A. radar waves. B. very high frequency waves. C. very low frequency waves. D. microwaves. Weegy: Cellular telephones utilize D. microwaves. User: A translucent material A. scatters some light. B. transmits all light. C. absorbs all light. D. reflects all light. Weegy: a. scatters some light User: In order of increasing light-transmitting capabilities of materials, which is the correct sequence? A. transparent®opaque®translucent B. opaque®transparent®translucent C. opaque®translucent®transparent D. translucent®transparent®opaque Weegy: C. opaque???translucent???transparent User: ... (More)
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Asked 10/15/2012 2:00:51 PM
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Which value of x makes the following equation true? 3(x - 3) = -2x ...
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