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Question: Calculate the 6 lowest energy levels in a quantum well with infinitely high walls with a width of L=20nm and another which is only L=4nm? For which of these energy levels do you find the highest probability to find an electron at x=0.3*L?
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Speedboat A negotiates a curve whose radius is 118 m. Speedboat B negotiates a curve whose radius is 270 m. Each boat experiences the equivalent centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
A curve in a highway has radius of curvature 110 m and is banked at 3.4°. On a day when the road is icy, what is the safest speed to go around the curve
a 7.4 cm-diameter-baseball has a mass 145 g and is spinning at 2000 rpm. Treating the baseball as a uniform solid sphere, whats its angular momentum
q1. a map suggests that atlanta is 730 miles in a direction 5.00 degrees north of east from dallas. the similar map
A continuous stream of water runs from the faucet into a kitchen sink, picking up speed as it falls. What is the diameter of the flow tube of water
Calculate the scale height for water vapor in the Earth's atmosphere, Use this information to state whether telescopes atop mount kea would be better for infrared astronomy than one's at sea level
This time, William Tell is shooting at an apple that hangs on a tree . The apple is a horizontal distance of 20.0m away and at a height of 4.00m above the ground, what is the arrow's initial velocity
The membrane that surrounds a certain type of living cell has a surface area of 6.4 x 10-9 m2 and a thickness of 1.4 x 10-8 m. How much charge resides on the outer surface
An electromagnetic wave is travelling in vacuum along the horizontal or x-axis. It consists of an electric field of peak strength 2.1 x 10-5 V m-1 in the vertical direction or z-axis and a magnetic field. Find the peak strength of the magnetic fiel..
A 0.17kg ball is thrown vertically upwards with a velocity of 34m/s at the edge of a 22m cliff. Neglect air resistance. calculate The height to whcih the ball rises above the cliff
which one of the following statements concerning the momentum of a systemnbspwhen the net force acting on the system is
An air track glider undergoes a perfectly inelastic collision with an identical glider that is initially at rest. What fraction of the first gliders initial kinetic energy is transformed into thermal energy in this collision?
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