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two flexible wires (massless) suspend a 10 cm-long conductor in the magnetic field with b = 4.2T. what is the current to let the wire just have zero tension
If you have an organic layer that contains an organic acid, an organic base, and a nautral organic compound, what is in the organic layer after complete treatment with NaOH(aq), followed by complete
an airplane with a wingspan of 100m flies parallel to the earth's surface at a point where the downward component of the earth's magnetic field is 0.500 x 10^-4 T. what is the reading of the voltmet
A monatomic gas is adiabatically compressed to 0.500 of its initial volume. How do each of the following quantities change The molar specific heat at constant volume
list the names and chemical formulas for two allotropes of oxygen, three allotropes of phosphorus, and four allotropes of carbon
An aluninum wire has a length of 8 m and a cross-sectional radius of 0.004 m. Calculate the weight of a hanging object
A spotlight sends red light (wavelength = 694.3 nm) to the moon. At the surface of the moon, which is 3.77 multiply.gif 108 m away, Determine the diameter (not the radius) of the central bright spot
A pitched baseball of mass .200kg, arives at home plate with a speed of 40m/s and is batted straight back to the picture, determine the work done by the bat on the ball
You have a 2.5m long copper wire. You want to make an N-turn current loop that generates a 1.2mT magnetic field at the center when the current is 1.9A, What will be the diameter of your coil
When a mixture of 12.5g of acetylene (C2H2) and 12.5g of oxygen (O2) is ignited, the resultant combustion reaction produces CO2 and H2O
A researcher would like to perform an experiment in a zero magnetic field, which means that the field of the earth must be cancelled. What current is needed in the solenoid's wires
The pupil of an eagle's eye has a diameter of 6.0 mm. Two field mice are separated by 0.010 m. How much time passes until the eagle sees the mice as separate objects
A tennis player, when performing a serve, applies an average force to a tennis ball of 525 N to a 55 g ball. What is the speed of the ball as it leaves the racket
Assume an organic compund has a partition coefficient between water and diethyl ether equal to 7.65. If there are initially 8.01 grams of the compound dissolved in 90.0mL of the water
A proton (q=1.6x10^-19 columbs) and mass = 1.67x10^-27 kg is placed 5 cm away from the center of a charged, What is the acceleration of the proton
Place a 2kg textbook against a vertical wall and press on it with a force of 40 N. determine the acceleration of the textbook
This cAMP activates an enzyme phosphorylase that splitsglycogen, releasing glucose that is rapidly metabolized, replenishing the ATP supply.Devise a model of this control loop and determine conditio
0.60mol of argon gas is admitted to an evacuated 70cm3 container at 10 ?C. The gas then undergoes an isochoric heating to a temperature of 500 ?C. compute the final pressure of the gas
For some enzyme reactions (for example, the hydrolysis of cAMP by phosphodiesterase in vertebrate retinal cones)the enzyme is present in large quantities,so that e0/s0 is not a small number.Fortunat
An object is placed 40 cm from a concave mirror of radius 20 cm. Trace the image, show and find the location and characterize the image fully
What is the molarity and osmolarity of a 1 liter solution with .2 moles of calcium chloride. How many molecules of chloride are dissolved in solution
The driver of a 1550 kg car, initially traveling at 12.1 m/s, applies the brakes, bringing the car to rest in a distance of 19.5 m. Find the net work done on the car
A set of jumpers cables used to start a car from another car's batterty is connected to the terminals of both batteries. What is the force per unit length on the cables
Two spectral lines occur at 576.8217 nm and 577.1432 nm. If a grating monochromator has a reciprocal linear dispersion, D^-1, of 2.4 nm/mm, what is the maximum slit width, in mm, needed to achieve b
What's the moxt orbital angular momentum that could be added to an atomic electron initially in the 6d state, What would be the new state