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Consider an electron that can exist only between x = 0 and x = L = 8.4 nm on the x axis. We could say that this electron is confined to a "box" of length L. In this situation, imagine the standing de Broglie waves that can fit into the box. For example, the drawing shows the first three possibilities. Note in this picture that there are either one, two, or three half-wavelengths that fit into the distance L. For each of these cases find kinetic energy of the particle. (complete answers and unit please)
A sound wave in our classroom has speed of 380 m/s. There is a speaker at each end of the table that has 4.0 m length. What is the minimum phase difference between the waves arriving to you from the two speakers
a tray is moved horizontally back and forth in simple harmonic motion at a frequency of f 1.83 hz. on this tray is an
A rectangular loop is made up of 50 turns of wire and has dimensions of 23 x 64 cm. It is located in a uniform 1 T magnetic field. Over a time of 1.2 s, Calculate the average emf induced in the coil
Presume that a passenger intent on lunch through his first ride in a hot-air balloon accidently drops an apple over the side through the balloon’s liftoff. At the moment of the apple’s release, the balloon is accelerating upward with a magnitude of 4..
when a 45.0-v emf device is placed across two resistors in series a current of 15.0 a is flowing in each of the
In a series RLC ac circuit, the resistance is 8.7 ohms, the inductance is 21.9 mH, and the capacitance is 14.5 microF. Calculate the maximum current in the circuit
in a headon collision (without friction) a 4000 kg truck going 10m/s due east strikes a 2000kg car gong 40m/s west, what direction do they roll in
What is the energy stored in the inductor after the switch has been closed for a very long time? Take V = 15 V, R = 1400 ? and L = 20 mH
a major leaguer hits a baseball so that it leaves the bat at a speed of 28. ms and at an angle of 36.9 above the
Use F1 of 160g at 280 degrees, F2 of 105 grams at 60 degrees and F3 of 75g at 15 degrees counter clockwise from the +y axis. Determine the equilibriant and the resultant of the three vectors experimentally. Record magnitude and direction of resu..
Three negative charges of equal magnitudes are positioned along the x-axis at x = -a, x=0, and x = +a respectively. The charge located at x=0 is moved away along the y-axis to a position (x,y) = (0, +a). How does the potential energy of the system..
Calculate the acceleration due to gravity on Neptune. The radius of Neptune is about 2.21 x 107 m and its mass is 1.03 x 1026 kg. m/s2 (downward)
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