Physics, 09.12.2020 23:20 walkerobrien5
Which one of the following statements best explains why the P‑wave of an earthquake arrives at a seismic station before the S‑wave? A) The P‑wave originates from the earthquake epicenter. B) The S‑wave originates from the earthquake focus. C) The P‑wave has a greater velocity than the S‑wave. D) The S‑wave decreases in velocity as it passes through a liquid.
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Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.
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Which one of the following statements best explains why the P‑wave of an earthquake arrives at a sei...
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