Physics, 24.04.2020 20:11 jcazaresroman7308
Radio waves are electromagnetic waves that travel at the speed of light. All AM radio stations are broadcast in kilohertz. FM radio stations are broadcasted in megahertz. For example, Radio 107 FM Broadcasts at 107 MHz. Satellite radio is found a 2345 MHz. Determine the wavelength of one type of radio wave.
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Physics, 21.06.2019 16:30
Calculate the kinetic energy of earth due to its spinning about its axis. krot = j compare your answer with the kinetic energy of the orbital motion of earth's center of mass about the sun. assume earth to be a homogeneous sphere of mass 6.00 1024 kg and radius 6.40 106 m. the radius of earth's orbit is 1.50 1011 m.
Answers: 2
Physics, 22.06.2019 04:00
Simple machines can a. increase force only b. decrease force only c. increase or decrease force
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Physics, 22.06.2019 06:50
Much of the information taught in earth-space science would not be available if it weren’t for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.
Answers: 3
Physics, 22.06.2019 09:40
When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.
Answers: 1
Radio waves are electromagnetic waves that travel at the speed of light. All AM radio stations are b...
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