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Physics, 23.06.2019 00:10
Consider a small frictionless puck perched at the top of a fixed sphere of radius r. if the puck is given a tiny nudge so that it begins to slide down, through what vertical height will it descend before it leaves the surface of the sphere? [hint: use conservation of energy to find the puck's speed as a func e conservation of energy to find the puck's speed as a function of its height at what value of this normal force does the puck leave the sphere? ] here on the puck.
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Physics, 23.06.2019 18:30
Aforce of 6600 n is exerted on a piston that has an area of 0.010 [tex]m^{2}[/tex]. what area is rewired for a second piston to exert a force of 9900 n? use [tex]\frac{f_{1} }{a_{1} } = \frac{f_{2} }{a_{2} }[/tex]a. 0.0015 [tex]m^{2}[/tex]b. 66 [tex]m^{2}[/tex]c. 150 [tex]m^{2}[/tex]d. 0.006 [tex]m^{2}[/tex]
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Physics, 23.06.2019 23:10
The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number =7, there will be how many permitted orbital magnetic quantum numbers allowed? a. 6 b. 7 c. 11 d. 15
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Observe the following stages of extraction of a metal from its ore.
Sulphide ore β β Reduction β...
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