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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)
an elastic collision between two bodies in which the collision is not head-on. Projectile particle m1 is an alpha particle and target m2 is an oxygen nucleus. Find the initial speed of the alpha particle
suppose an electric motor continuously operating with average power 4.65 kW runs the pump. Find its efficiency.
A single circular loop of radius 0.51 m carries a current of 3.1 A in a magnetic field of 0.95 T. What is the maximum torque exerted on this loop
Ann was reaching up to grab a box of cereal that was on top of the refrigerator. She had extended her arm as well as stood on her tip-toes to reach the box. Which primary muscle allowed Ann to extend her elbow and which 2 primary muscles allowed h..
A diver comes off a board with arms straight up and legs straight down, giving her a moment of inertia about her rotation axis of 19.5 kg · m2. She then tucks into a small ball, decreasing this moment of inertia to 3.65 kg · m2. While tucked, she mak..
The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and approximate the human body by a rectangular block with a height of 1.66 m, How much energy does our body lose in one second
an astronaut on the surface of the moon fires a cannon to launch an experiment package, which leaves the barrel moving horizontally. what time interval does this trip around the moon require
A bat hits a moving baseball. If the bat delivers a net eastward impulse of 1.5 N-s, what is the mass of the ball
It is possible to calculate the maximum possible potential (relative to infinity) in air of a metal sphere of 19 cm radius. First, what is the most charge you can put on this sphere.
If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.95 T field (perpendicular to the wire), what force is exerted on this segment of wire
The maximum speed of a 2.5-kg mass attached to a spring is 0.55 m/s, and the maximum force exerted on the mass is 11 N. What is the amplitude of motion for this mass
A bar magnet is oriented with its magnetic dipole moment at 50.7° to the direction of a 0.0983-T magnetic field, Find the magnitude of the magnet\'s magnetic dipole moment
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