Find the velocity of the wave
The distance between two consecutive nodes of a standing wave is 24.2 cm. The hand generating the pulses moves up and down through a complete cycle 2.84 times every 8.38 s. Find the velocity of the wave.
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A charge moves a distance of 2.3 cm in the direction of a uniform electric field having a magnitude of 239 N/C. The electrical potential energy of the charge decreases by 72.3544 × 10-19 J as it moves. Find the magnitude of the charge on the
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Two charged pith balls are suspended on very light 10.5 cm strings. Each has a mass 11.0g. In equilibrium, the total angle between the strings is 35 degrees. Draw a free body diagram for one of the pith balls and clearly label all forces with magn
If S2 moves with a speed of 0.7c with respect to a rest frame S1, find the length of the meterstick as measured in frame S1 according to classical physics.
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