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The electron emitted during \(\beta\) in tritium (a hydrogen atom with two neutrons) hasa kinetic energy of 5.7 KeV. What is the deBroglie wavelength for this electron? What is the deBroglie wavelength for this electron? Would you expect such an electron to behave like a particle or a wave interacting with a DNA molecule that is on the order of 20 Angrstoms wide and why? (Hint: h=6.626*10^-34 Js=4.136*10^-15 eV*s)
As the drawing illustrates, two disks with masses m1 and m2 are moving horizontally to the right at a speed of v0. They are on an air-hockey table, find the velocity of disk 2 at that moment
The current in a long solenoid of 95 turns generates a magnetic flux within it of 65.0 mWb per turn. what will be the induced emf
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Select all true statements about electromagnetic waves.
A 67 kg person sits on a 3.5kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.8 cm in diam. Determine the pressure exerted on the floor by each leg of the chair; Assume the weight is evenly distributed.
You wind a small paper tube uniformly with 197 turns of thin wire to form a solenoid. What is the inductance, in microhenries, of your solenoid
To stretch a certain spring by 2.90cm from its equilibrium position requires 7.50J of work. What is the maximum force required to stretch it by that distance
A blender is switched to a lower speed and the angular velocity of its blade decreases uniformly from 52 rad/s to 12 rad/s. Through what angle does the blade turn during this time
An airplane, diving at an angle of 48º with the vertical, release a projective at an altitude of 830m. What was the vertical component of its velocity just before striking the ground
One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. What is the radius of the brass ball
A stunt man whose mass is 70 kg swings from the end of a 3.7-m long rope along arc of a vertical circle. Presume he starts from rest when the rope is horizontal.
A scaffold of mass 43 kg and length 6.5 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the nearer cable
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