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Which of the following is an example of the Doppler effect? A water bug on the surface of a pond is producing small ripples in the water. The bug is not moving. A police car with its siren on is driving towards you, and you perceive the pitch of the siren to increase. Scientists measure the speed of light and find that it is constant. The gravitational pull of two objects on each other
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F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?
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Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay
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This is the number of complete movements of a wave per second.
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Which of the following is an example of the Doppler effect? A water bug on the surface of a pond is...
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