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A 0.028g plastic bead hangs from a lightweight thread. Another bead is fixed in position beneath the point where the thread is tied. If both beads have the same positive charge q, the moveable bead swings out to the position shown in (Figure 1). The weight of the bead is 2.74*10^-4 N
1. What is q? (Include units)
2. What is the tension in the thread? (in Newtons)
An ac generator with a frequency of 29.4 Hz and an rms voltage of 12.0 V is connected to a 49.5-µF capacitor. What is the maximum current in this circuit?
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The intensity in normal conversation, when about50 cm from the speaker, Estimate the power output of sound from a person speaking in normal conversation
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a small charged bead has a mass of 3.7 . it is held in a uniform electric field 200000 up. when the bead is released
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A 300 N box is placed on a frictionless inclined plane that makes a 22.0° angle with the horizontal. What is the normal force of the ramp on the box
A conductor bar ab of length 0.6 m is moving on two conducting rails with a speed v = 3.6 m/s perpendicular to a uniform magnetic field of B = 0.35 T. find the electromotive force in the bar
An electron in a cathode ray tube accelerates across a potential dissimilarity 10.0 kv then passes through a small aperture. In one of the electrodes as it emerges on the other side of this electrodevit immediately enters a region in which a uniform ..
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