Physics, 07.04.2020 21:29 ibrahimuskalel
A father and son improvise a seesaw out of a plank and a sawhorse. The plank is uniform, has a mass one-fourth that of the father, and is 6 m long, with the sawhorse placed at the center of mass of the plank. If the son sits at the end of the plank, 3 m from the sawhorse, the father finds that to achieve balance, he has to sit 2 m from his end of the plank. What is their mass ratio Mf Ms
Answers: 1
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Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.
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What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.
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A father and son improvise a seesaw out of a plank and a sawhorse. The plank is uniform, has a mass...
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