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A particle of mass m is subject to the delta-function potential V(x) = -alpha delta(x) with alpha > 0. Evaluate the uncertainty product alpha x alpha p for the hound state.
a plant falls from the windowsill of an apartment in a very tall building. if the floor of your apartment is 30.48 m
A copper rod has a length of 1.5 m and a cross-sectional area of4.0×10-4 m2. What is the mass of ice per second that melts
Two cars start at the origin from rest. The first car accelerates for 3.0s and then continues at a constant velocity, find the distance traveled by the first car
A very light rigid rod with a length of 0.523 m extends straight out from one end of a meter stick. Determine the period of oscillation of the system
A rectangular block of ice 12 m on each side and 1.3 m thick floats in sea water. The density of the sea water is 1025-kg/m3. The density of ice is 917 kg/m3. How many penguins of mass 26 kg each can stand on the ice block before they get their fe..
A 78-kg man standing on a scale in an elevator notes that as elevator rises, the scale reads 834 N. What is the acceleration of the elevator.
A 300 g object attached to the end of a spring oscillates with an amplitude of 7 cm and a frequency of 1.80 Hz. Find its maximum speed and maximum acceleration
The coefficient of static friction between the tires of a car and a horizontal road is 0.450. What is the minimum distance in which the car can stop
A solid metal ball of radius 1.6 cm is located near a hollow plastic ball of radius 2.1 cm, What is the electric field at the center of the metal ball due just to the charges on its surface
A storage tank 30 m high is filled with gasoline. Calculate the force that acts on a square access hatch at the bottom of the tank that measures 0.5m by 0.5m
Dr Jeeves has invented a new kind of heat engine that operates using a pool of molten copper at 1083 degrees celcius and a block of solid lead at 327 degrees celcius. How much power is produced by the engine
Monochromatic light is incident on a metal surface. The ejected electrons give rise to a current in a circuit. how will the required stopping potential change
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