What electric field will cause the bead to hang
A 0.10 g plastic bead is charged by the addition of 1.0 x 1010 excess electrons. What electric field (strength and direction) will cause the bead to hang suspended in the air?
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A slide projector needs to create a 96.0cm high image of a 1.80cm tall slide. The screen is 306 cm from the slide. A) What focal length does the lens need? Assume that it is a thin lens. B) How far should you place the lens from the slide?
A fan drawing electricity at a rate of 1.5 kW is located within a rigid enclosure, measuring 3m x 4m x 5m. Determine for the air final temperature after 30 minutes, in degrees C.
What does the sign of the Standard Reduction Potential indicate? What does the magnitude of the Standard Reduction Potential indicate? What is the Standard Hydrogen Electrode (SHE) and what is itsEo? If Eocell is positive,must Ecell will
If the engines provide a constant thrust of T=300 kN, determine the power output of the engines as a function of time. Neglect the effect of drag resistance and the loss of fuel mass and weight.
A tuning fork vibrating at 514 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork when waves with a frequency of 483 Hz reach the release point? Take the speed of sound in air to be 340 m/s.
The bars are subjected to equal twisting moments. Determine the ratio of the maximum shear stresses in the two bars, assuming that they are elastic.
The correct detectin rate is the probability that if you have D, the test will say that you have D.Given that you test positive for D,what is theprobability tat yoactuallyhave itmany of the HMS exprts answered 0.95 and the average aswer was 0.56 s
A family heats their house with propane gas. The gas company reports that for an average home it takes 26.970 kJ of heat to raise the temperature of the air inside the house from 61.0oF to 70.0 oF.
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