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An electron is confined in a one-dimensional box (an infinite well). Two adjacent allowed energies of the electron are 1.068 × 10-18 J and 1.352 × 10-18 J. What is the length of the box? (h = 6.626 × 10-34 J · s, m el = 9.11 × 10-31 kg)
A monoenergetic beam of electrons in incident on a single slit of width 1.05 nm. A diffraction pattern is formed on a screen 20 cm from the slit. what is the energy of the incident electrons
A duck flying horizontally due north at 14.8 m/s passes over Atlanta, What is the magnetic force acting on the duck
Suppose a car is traveling at 13.0 m/s, and the driver sees a traffic light turn red. After 0.570 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 9.00 m/s2. What is the stopping distance of the car, as ..
A student sits on a freely rotating stool holding two weights, each of mass 2.90 kg. When his arms are extended horizontally, Find the new angular speed of the student
You decide to travel by car for your holiday visits this year. You leave early in the morning to avoid congestion on the roads. How far did you travel on this trip
A 5.0 deep swimming pool measures 30 by 16. What force does the water exert on the bottom of the pool
A motorcycle and rider have a total mass of 252 kg the rider applies the brakes, What is the net force (in Newtons) on the motorcycle and rider combination
Consider a particle of mass m moving freely in a two dimensional rectangular box with impenetrable walls. The dimensions of the box are ax and ay. Derive the wavefunction for the particle
On a nice winter day at the South Pole, the temperature rises to ?63°F. What is the approximate temperature in degrees Celsius
You have 3.0 moles of helium gas initially at a temperature of 350 K, and a pressure of 0.20 x Patm, How much heat flows into the gas
Construct a point charge configuration with three charges where there is a point (not at infinity) where the electric field is zero.
question1vector a points alone the y access and has a magnitude of 100 units vector b points at an angle of 60 degrees
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