A water wave demonstration tank is 40 m long. At one end, at the origin, Mary is generating waves described by the function y1=2.0 cm cos[/(9m) (4x-(8m/s)t]. At the other end Paul is generating waves described by y2=-3.0cm sin [2/(3s)((1s/m)x+2t)]. At x=10m, Peter is recording
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A wave disturbance is described by the function J=(-36T m^2
A wave disturbance is described by the function J=(-36T m^2 s^2 k) / [ (30 s y – 40 s z -4 m t)^2 +500 m^2 s^2]
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A firecracker in a coconut blows the coconut into three piec
A firecracker in a coconut blows the coconut into three pieces. Two pieces of equal mass fly off south and west, perpendicular to each other, at 21 m/s . The third piece has twice the mass as the other two.
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A rocket, away from all gravitational forces, accelerates up
A rocket, away from all gravitational forces, accelerates upward at an acceleration of 12.8m/s^2. On its main deck is a crate with a mass of 81.6kg. a) How many forces act on the crate? b) Determine the Normal force on the crate, & c) What
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Two horns using the same design are supposed to be playing (
Two horns using the same design are supposed to be playing (simultaneously) a sustained resonant note of 320.o Hz, but they are not quite identical which makes the shorter instrument a bit off. If the beat annoys listeners with a 5 second cycle, what is
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You have a 195 Ω resistor, a 0.400 H inductor, and a 5.00 Â
You have a 195 Ω resistor, a 0.400 H inductor, and a 5.00 µF capacitor. Suppose you take the resistor and inductor and make a series circuit with a voltage source that has voltage amplitude 30.0 V and an angular frequency of 250 rad/s.
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A kid at the junior high cafeteria wants to propel an empty
A kid at the junior high cafeteria wants to propel an empty milk carton along a lunch table by hitting it with a 3.0 g spit ball.
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Parallel-plate capacitors are widely used in electronics, su
Parallel-plate capacitors are widely used in electronics, such as for preventing direct current leakage. An electric field is generated between a pair of plates that has a surface charge density of 4.00 10 -6 C/m 2 . The plates are separated by 0.17 µm.
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