Physics, 17.01.2022 17:50 jetblackcap
an electromagnetic wave travels in a straight line through a vacuum. The wave has a frequency of 6.0THz. What is the number of wavelengths in a distance of 1.0m along the wave?
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Name three different units of energy used to measure heat and describe what type of situations each is usually used.
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Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.
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Acapacitor is storing energy of 3 joules with a voltage of 50 volts across its terminals. a second identical capacitor of the same value is storing energy of 1 joule. what is the voltage across the terminals of the second capacitor?
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Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?
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an electromagnetic wave travels in a straight line through a vacuum. The wave has a frequency of 6.0...
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