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What is the magnitude of the magnetic force on the electron if its velocity and the magnetic field: Are perpendicular. Make an angle of 45o.
What is the length of the double bond between phosphorous and oxygen in psilocybin?
A horizontal magnetic field of 1.0 x 10-4 T is at an angle of 30o to the direction of the current in a straight wire 75 cm long. If the wire carries a current of 15 A, what is the magnitude of the f
Two parallel plates with a separation of 1.5 cm produce the perpendicular electric field. What voltage should be applied across the plates so that: A singly ionized ion traveling 8.0 x 104 m/s wil
Molecules have additional degrees of freedom that atoms don't possess, namely, rotation and vibration. The energies associated with molecular rotation and vibration are quantized and photons can be em
If a charge particle move in a straight line and there no other forces on it except possibly from a magnetic field, can you say with certainty that no magnetic field is present? Explain.
A square loop of wire with sides of length 40 cm is in a uniform magnetic field perpendicular to its area. What is the magnitude and of the average emf induced in the loop?
Use a computer to produce a table and graph, like those in this section, for two interacting two-state paramagnets, each containing 100 elementary magnetic dipoles. Take a "unit" of energy to be the a
Draw a corresponding triangle of forces, indicating the sizes of the angles. Use the triangle of forces to find the magnitudes of the tension in the rope and the normal reaction from the ramp, to the
How is light important for controlling the cycle in Drosophila but not in control for cells in the cycle in Mammalia?
The innermost is a solid sphere that has a radius R1. A spherical shell surrounds the sphere and has an inner radius R2 and an outer radius R3. The sphere and the shell are both surrounded by a second
A piston of mass M can move without friction inside a long vertical cylinder sealed from the bottom and opened from the top. The cylinder is filled with an ideal gas. At the equilibrium position, the
Instead of TSI, why would a slant medium containing only dextrose and lactose (not sucrose) be preferable for detecting Y. enterocolitica?
Does this violate the first law of thermodynamics? explain? Does this violate the second law of thermodynamics? Explain?
A 4 cm diameter vertical cylinder is sealed at the top by a frictionless piston. The piston is 25 cm above the bottom of the cylinder. It is filled with Carbon Dioxide (CO2). The gas begins at exactly
A 4 cm diameter vertical cylinder is sealed at the top by a frictionless piston. The piston is23 cm above the bottom of the cylinder. It is filled with Oxygen (O2). The gas begins at exactly one atmos
Upstream of a normal shock in air the pressure is 14.7 psia and the temperature is 528R. Downstream of the shock the air pressure is 76.8 psia. What is the Mach number upstream of the shock? What is t
The density of the solid is 3.99 g/cm3 and the radius of the Cl- ion is 181 pm. Calculate the radius of the Cs+ ion in the center of the cell(assume that the Cs+ ion touches ll of the corner Cl- io
Give at least 3 reasons why sulfonylamide diuretics such as 'Furosemide' do not possess antibiotic activity?
Compute the porosity for rhombohedral packing of identical spheres.Answer is 25.96%... but how is this calculated?
A hoisting engine lifts a 200kg bucket of 1200liters of clay with density of 2000kg per cubic meter to a height of 7 meters in 20seconds. the power input is 12kw. what is the work output?what is th
Theoretically derive the equation for the period of a ring pendulum. A ring pendulum is a ring with a notch set on a knife edge and pushed a small bit to oscillate at small amplitudes, so that it exhi
Which of the following best describes the role of lactose in the Lac Operon?
What is the difference in a molecule and an atom?
The reserve capacity (RC) of a car battery is defined as the number of minutes the battery can provide 25.0A of current at a potential difference of 10.5V. Thus, the RC indicates how long the battery