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Suppose the minimum uncertainty in the position of a particleis equal to its de Broglie wavelength. If the particle has anaverage speed of 4.1 105 m/s, what is the minimum uncertainty in its speed?
A rock appears to lie just 38 cm below the surface of a smooth stream when viewed from above the surface of the stream. what is the actual distance of the rock below the surface
In coulomb scattering of 7.50MeV protons by a target of 7-Li, what is the energy of the elastically scattered protons at 90 degrees
Jim is speeding toward James Island with a speed v = 22 m/s when he sees Betsy standing on shore at the base of a cliff. Jim sounds his f = 365-Hz horn. What frequency does Betsy hear
a 3 kg mass attached to a spring oscillates with a period of 0.5 seconds and amplitude of 1/4 meter. find the maximum speed of the mass
A small ball rolls off the roof edge of a building with a horizontal speed of 2.3 m/s. the ball hits the ground a distance of 15.8 m from the buildings base. Calculate the following: (neglect any air resistance and spin) A) the height of the building..
An oscilloscope shows a steady sinusoidal signal of 5 Volt peak to peak, which spans 5 cm in vertical direction on the screen. What will be observed on the oscilloscope screen
The rotor in a certain electric motor is a flat, rectangular coil with 85 turns of wire and dimensions 2.25 cm by 4.36 cm. The rotor rotates in a uniform magnetic field of 0.800 T. What is the average power of the motor
A hockey puck with mass 0.160 kg is at rest on the horizontal, frictionless surface of a rink. A player applies a force of 0.250 N to the puck, What are the position and speed of the puck at the end of that time
A 80cm long metal string under 34.5 N tension has a linear mass density 2.10x10^-4 kg/m. Find the frequencies of the first three harmonics
Two students with vibrating 440Hz tuning forks walk away from each other with equal speeds. How fast must they walk so that they each hear the frequency of 433 from the other fork.
A large disk with a radius of 20 cm has a string attached to its edge, which is hanging over a table with a 200 g mass attached to it. determine the moment of inertia of the disk
A free floating piston cylinder device that contains 1 kg of a 25% quality saturated mixture of water at 150C, Determine the initial and final pressure, the total energy of electrical work added to the water
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