Physics, 12.11.2020 22:10 clinton1790
Erma built the simple motor shown below with a battery, a permanent magnet, a copper coil of wire, and an iron bar. When the motor is turned on, the iron bar and coil spin in a circle The motor transforms energy into energy. Question 27 options: mechanical; chemical electrical; mechanical mechanical; electrical thermal; electrical
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The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is
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Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories
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Write down two additional questions about earth's magnetic field that will make your presentation more informative.
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The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
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Erma built the simple motor shown below with a battery, a permanent magnet, a copper coil of wire, a...
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