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P2: An electron in an in nite well of width a = 8 A transits from energy level n = 3 to n = 2 and emits a photon. Determine what is the wavelength of the photon?
P3: An electron in an in nite well of width a = 4 A is in the ground state (n = 1). What is the probability to nod the electron within 1 A from the center of the well?
In the figure, water stands at depth D = 35.0 m behind the vertical upstream face of a dam of width W = 315 m. Discover the torque due to the net horizontal force on the dam, measured regarding a rotation axis parallel to the dam and during point O.
A 3.2 µF capacitor and a 6.8 µF capacitor are discharged and then connected in series, What is the equivalent capacitance of this combination
For about 10 years after the French revolution, the French government attempted to base measures of time on multiples of ten: One week consisted of 10 days, find the ratio of the French decimal week to the standard week
A particle is in uniform circular motion about the origin of an xy coordinate system, moving clockwise with a period of 7.70 s. what is its velocity in unit-vector notation
A 51.1 kg bungee jumper jumps off a bridge and undergoes simple harmonic motion. what is the spring constant of the bungee cord
A gas of 8.00×10^19 atoms or molecules has 1.10 Jof thermal energy. Its molar specific heat at constant pressure is 20.8 J/mol K. What is the temperature of the gas?
If a heater supplies 1.8×106 J/h to a room5.0 m × 5.2m×3.0 m containing air at 20°C and 1.0 atm, by how much will the temperature rise in one hour, assuming no losses of heat or air mass to the outside?
The eyepiece of a microscope has a focal length of 1.25 cm and the objective lens focal length is 1.62 cm. what is the angular magnification of the microscope
A 10.0-g bullet traveling horizontally at 755 m/s strikes a stationary target and stops after penetrating 14.5 cm into the target. What is the average force of the target on the bullet
Gamma rays of photon energy E are directed onto an aluminum target and are scattered in several directions by loosely bound electrons there. Determine the wavelength of the incident gamma rays
Please helps me out for determining the following if the capacitor in the circuit below is initially uncharged.
Two astronauts are, 4.86 m apart in their spaceship, speaking to each other. How far away from the Earth is the spaceship
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