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the ball and the pendulum?...
Physics, 18.04.2021 19:00 legendman27
- Is the kinetic energy conserved in the collision between
the ball and the pendulum?
Answers: 3
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What is the frequency of a light wave with a wavelength of 620nm
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The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.
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