Physics, 26.03.2020 17:28 zacharynugent
A ball is dropped from rest at height of 20m. If it loses 25% of its kinetic energy when it strikes the ground. What is the height to which it bounces?
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The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection
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Physics, 22.06.2019 02:30
Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat
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Physics, 22.06.2019 12:30
If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather
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Physics, 23.06.2019 06:00
How can you improve the percent yield of copper in this lab? check all possible strategies that will you do so. measure reactants precisely. stir to the reaction take place. chill the reactants before combining them. wait patiently until the reaction completes. make sure to recover as much copper as possible.
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A ball is dropped from rest at height of 20m. If it loses 25% of its kinetic energy when it strikes...
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