To allow a speakers voice to be heard in an auditorium, an amplifier was used to increase the sound energy (loudness) of the wave
seen in the image above the answer choices. Which wave is the result of amplification and produces a louder sound?
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The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity