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The kinetic energy of a particle is equal to the energy of a photon. The particle moves at 4.2% of the speed of light. Find the ratio of the photon wavelength to the de Broglie wavelength of the particle. Take the speed to be non-relativistic.
Bacillus thuringiensis is a bacterium that produces a crystalline poison that is deadly to certain insects. What is the name of the gene that codes for the protein
Write out the constants for b (B1 and B2) in terms of the previous constants for a Do the same for c) in terms of the constants for b), the constants in d in terms of those for c and finally the constants for a) in terms of those from d.
The electric field intensity between two parallel plates separated by 25mm is 8000 N/C. How much work is done by the electric field in moving a -2uC charge from the negative plate to the positive plate?
A force P pulls on a crate of mass m that is in contact with a horizontal rough surface. Which statement best describes the motion of the crate
Ice at -13.7 °C and steam at 114 °C are brought together at atmospheric pressure in a perfectly insulated container. After thermal equilibrium is reached, the liquid phase at 43.3 °C is present. Ignoring container and equilibrium vapour pressure of t..
Suppose that when a certain sound intensity level (in dB) quadruples, the sound intensity (in W/m2) doubles. Determine this sound intensity level
An object is suspended on a frictionless inclined plane by a rope parallel to the incline, as illustrated above. what is the weight of the object
If we assume the ice is perfectly slick (that is, no friction between the crewman and the ice once he slips and falls down), At what speed will the crewman hit the bottom of the ravine
a single mass m1 3.6 kg hangs from a spring in a motionless elevator. the spring constant is k 294.0 nm. now three
three building materials plasterboard k 0.30 js m co brick k 0.60 js m co and wood k 0.10 js m co are sandwiched
A charged particle moves through a velocity selector at a constant speed in a straight line, Calculate the charge-to-mass ratio of the particle.
In a Young's double-slit experiment, the seventh dark fringe islocated 0.033 m to the side of the central bright fringe on a flatscreen, which is 1.1 m away from the slits. The separation betweenthe slits is 1.6 x 10-4 m. What is the wavelength of..
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