Problem related to non-conducting thread
Two 5 gram spheres are each suspended from a pin by a 40 cm long non-conducting thread. If the spheres are separated by 7 cm because of electrostatic repulsion, find the charge on each, knowing they are equal.
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A transparent oil of index of refraction 1.29 spills on the surface of water (index of refraction 1.33), producing a maximum of reflection with normally incident orange light (wavelength 600nm in air). Assuming the maximum occurs in the first orde
Calculate the freezing point and the boiling point of a solution prepared by dissolving 5.0 g of KClin 550 g of water. kf and kb for water are1.86 ºC/m and 0.51 ºC/m, respectively..
A magician's trick involves charging a 50 kg box with 2 x 10-3 C of charge, then charging a platform with the same charge. When the box is released, it "floats" how far above the platform?
The balanced equation for the reaction of magnesium metal withaqueous hydrochloric acid is Mg(s) + 2HCl(aq) -> H2(g) +MgCl2(aq). If 0.037 gram of magnesium are reacted with excess HCl,how many moles of hydrogen gas will be formed?
Set up the hypotheses for the test to determine if there is enough evidence to suggest the actual mean content differs from the stated value. Use appropriate symbols. Calculate the value of the test statistic showing the work using the formula.
The nutritional calorie (Calorie) is equivalent to 1 kcal. Onepound of body fat is equivalent to about 4.1 multiplied by 103Calories. If an athlete expends 1720.kJ/h, how long does she have to play to work off 1.0 lb of bodyfat?
An axon is the relatively long tail-like part of a neuron, or nerve cell. The outer surface of the axon membrane (dielectric constant = 5, thickness =1.00 x 10-8 m) is charged positively, and the inner portion is charged negatively. Thus, the memb
Estimate the force on the chimney and the bending moment at the bottom of the chimney. You may assume that the effect of the wind on the first 1 m height of the chimney has a negligible effect on the force and the moment.
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