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What is the magnetic field (magnitude and direction) due to these currents at a point midway between the wires? Please show your work.
A sample of air contains 8.583 moles/m^3 of oxygen, and 16.40 moles/m^3 of nitrogen at STP (1 atm, 0 degrees Celcius). Determine the partial pressures of oxygen and nitrogen.
Assume that a vehicle traveling on a flat surface at 35 mph is able to stop in 80 feet. If you put that same vehicle on an upward slope of X degrees, what is the maximum speed it can travel (in mph)
A plastic bag is filled with helium at atmospheric pressure and 24.0 oC. Assume that the mass of the bag is negligible and take the temperature of the outside air to be 0 oC.
A person pulls a toboggan for a distance of 35.0m along the snow with a rope directed 25degree above the snow. the tension on the rope is 94N. a. how much work is done on the tobaggan by the tension
An aqueous solution containing 132mg of a particular protein in 72ml of solution has an osmotic pressure of 1.97 mbar at 25digee centigrade.
What percent of thermal energy transferred goes into increasing the internal energy of the system?
What is the rate of heat flow through a glass window pane .5 mm thick when the outside surface is -5 degrees celsius and the inside surface is 10 degrees celsius? The dimensions of the window are .7
How many milliliters of 1.60 M HCl would be required to produce this solution? Consider that the solution was made by combining the HCl, the HCOOH, and enough water to make 0.780 L of solution in mL
The surface area of a person is 1.9 m^2 and their core and skin temperatures are 37 degrees celsius and 31 degrees celsius, what are the rates of heat transfer through the skin for almost no blood f
A small Charged ball Hangs on a Thin insulating thread and executes small amplitude Harmonic oscillations with period T. If a large, grounded, metal plate is placed beneath this Pendulum would the p
Maleic acid is an organic compound composed of 41.39% C, 3.47% H, and the rest oxygen. If 0.276 mol of maleic acid has a mass of 32.0 g, what are the empirical and molecular formulas of maleic acid?
The metabolic rate of a 50 kg. woman increases to 350 W while biking. a) If her body adjusts to lose heat at a rate of only 330 W, by how much will her core temperature increase in an hour.
The naturally occurring isotope rubidium-87 decays by beta emission to strontium-87. This decay is the basis of a method for determining the ages of rocks.
Calculate the maximum work available from 36.0 g of aluminum in the following cell when the cell potential is 1.15 V. Note that O2 is reduced to H2O.
A capacitor is constructed from two square metal plates. A dielectric fills the upper half of the capacitor and a dielectric fills the lower half of the capacitor. Calculate the capacitance.
When a different particle with an electric charge of +4.10 x 10-12 C enters the velocity selector traveling east, the net force (due to the electric and magnetic fields) acting on it is 1.65 x 10-9 N
a.) What is the potential difference between the final and initial positions? Did the potential increase or decrease? b.) By how much did the potential energy of the proton change? Did it increase or
A proton is at the origin (x = 0, y = 0) at time t = 0 when it is moving with a velocity of 5.0 x 10^4 m/s in the positive y-direction. Ignore and non-electric forces. At some particular later time
To enter the main pool at an amusement part, a swimmer uses a water slide which has a vertical height of 2.73 m. Find her speed at the bottom of the slide if she starts with an initial speed of 0.95
a) What is the current density for this wire if the current is 6.1 Amp, and the radius is 5×10-4 m? b) What is the drift velocity for the electrons in this wire?
A 1.2 kg block is held at rest against a spring with a force constant k = 665 N/m. Initially, the spring is compressed a distance d.
A 1,420 kg boulder at rest, begins to roll down a 52 m long hillside. while rolling, the ground causes a frictional force of 12,040N. the boulder arrives at the bottom of the hillside with a speed o
Three gases (8.00 \rm g of methane, \rm CH_4, 18.0 \rm g of ethane, \rm C_2H_6, and an unknown amount of propane, \rm C_3H_8) were added to the same 10.0-\rm L container. At 23.0 ^\circ\rm C, the to
Determine the oxidation number of each element for the following substances and arrange these substances in decreasing order of strength as reducing agents at the standard-state conditions of concen