Which of the following is/are true? Electromagnetic waves are created by accelerating charges. Electromagnetic waves are transverse waves. Electromagnetic waves consist of time-varying electric and magnetic fields that are mutually perpendicular. Electromagnetic waves move at the speed of light in a vacuum. All of the above are true.
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If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?
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Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f
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Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.
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Which of the following is/are true? Electromagnetic waves are created by accelerating charges. Elect...
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