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An electron is trapped in a one-dimensional infinite potential well that is 310 pm wide; the electron is in its ground state. What is the probability that you can detect the electron in an interval of width δx = 5.0 pm centered at x = 34 pm? (Hint: The interval δx is so narrow that you can take the probability density to be constant within it.)
The minimum distance required to stop a car moving at 42.0 mi/h is 39.0 ft. What is the minimum stopping distance for the same car moving at 67.0 mi/h, assuming the similar rate of acceleration.
question1at what distance from a proton is the magnitude of its electric field 2.3times105? what is magnitude of the
Electron A has a De Broglie wavelength (lambda). If electron B has twice the kinetic energy of electron A, the de Broglie wavelength of electron B is: A) 2lambda B) lamda * square root 2 C) lambda/ square root 2 D) lambda/ 2
a block of mass m1=8 rests on a frictionless surface and is attached to a light cord that is wrapped around a solid cylinder of mass m2, radius r=.130 m and moment of inertia I=1/2m2R^2.
A hypodermic syringe contains a medicine with the density ofwater. The barrel of the syringe has a cross-sectional area A= 2.50x 10^-5 m^2, Determine the speed of the medicine as it leaves theneedle's tip
A 1540.0 g mass is ona horizontal surface with μk = 0.31, andis in contact with a massless spring with a force constant of 787.0N/m which is compressed. When the spring is released, it does 2.52J of work on the mass while returning to its equilibr..
A 210 g piece of ice at 0°C is placed in 410 g of water at 22°C. The system is in a container of negligible heat capacity and is insulated from its surroundings. (a) What is the final equilibrium temperature of the system? (b) How much of the ice ..
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles, What is the force between the two alpha particles when they are 5.60 10-15 m apart
An elevator ascends with an upward acceleration of a. At the instant its upward speed is v, find the time of flight of the bolt from ceiling to floor
A Boeing 747 "Jumbo Jet" has a length of 59.7 m. The runway on which the plane lands intersects another runway, How much time is needed for the plane to clear the intersection
A car is hauling a 89-kg trailer, to whichit is connected by a spring. By how much does the spring stretch
A parallel-plate capacitor has 1.85 cm2 plates that are separated by 5.72 mm with air between them. how much energy does it store
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