Physics, 22.01.2020 21:31 ilpark0125
In searching the bottom of a pool at night, a watchman shines a narrow beam of light from his flashlight, 1.3 m above the water level, onto the surface of the water at a point d = 2.8 m from his foot at the edge of the pool a) where does the spot of light hit the bottom of the h = 2.1-m-deep pool? measure from the bottom of the wall beneath his foot.
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The heliocentric and the geocentric models of the solar system included these central principles
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In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy
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In searching the bottom of a pool at night, a watchman shines a narrow beam of light from his flashl...
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