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If a clock aboard a space ship traveling at 0.900 c of the speed of light relative to earth chimes once at the beginning of the hour and again when it reads one hour later, how much time would an observer on earth say elapsed between the two chimes?
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State one advantage and one disadvantage of using a plane mirrior as a driving mirrior
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Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.
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Physics, 22.06.2019 12:00
In an experiment, how can i change human errors? be specific.
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Explain the steps of the life cycle of a star. beginning with a nebula and ending with old age/death...
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