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A transformer is to be used to provide power for a computer disk drive that needs 5.8 V (rms) instead of the 120 V (rms) from the wall outlet. Find the number of turns in the secondary
you suspect that you 12 year old male patient has an inborn error in methionine metabolism. it may be that cystathionine synthase is deficient. if tho sis true, he should have high serum concentrati
A transformer on a pole near a factory steps the voltage down from 3600 V (rms) to 120 V (rms). The transformer is to deliver 2000 kW to the factory at 95% efficiency. Find values for the the power
The flux in a transformer changes at a rate of 0.4 Wb/s. The primary coil has 40 turns and the secondary coil has 500 turns
complete and balance the equations for each of the following reactions: a)KHCO3(s)+HBr(aq)> b)Ca(s)+H2SO4(aq)> c)H2SO4(aq)+Ca(OH)2(s)> d)Na2CO3(s)+H2SO4(aq)>
Determine the equation for velocity of the particle as a function of time. Create a graph of velocity vs. time for the particle, for the time interval 0 <= t <= 5s
A 14.8cm diameter loop of wire is initially oriented perpendicular to a 1.3T magnetic field, What is the average induced emf in the loop
Imagine that you are trying to design a new battery using the elements tin (Sn) and a halogen (Cl2, Br2, or I2) and you are using the reactions when SnCl2 and KBr are combined.
The plates of a parallel-plate capacitor are 3.50mmapart, and each carries a charge of magnitude 75.0nC, What is the area of each plate
In the semiconductor industry, an insulating layer can be built onto silicon devices by oxidizing the silicon to form silica, SiO2, Write down a balanced equation for the reaction between silica and
For your final exam in electronics, you're asked to build an LC circuit that oscillates at 15kHz, What values of inductance and capacitance must you use
Some cell walls in the human body have a layer of negative charge on the inside surface and a layer of positive charge of equal magnitude on the outside surface, Estimate the total electric-field en
Calculate the value of Ecell (Standard reduction potentials) for the reaction above. Shwo your work and explain why this value implies that the reaction is product favored.
A cylindrical air capacitor with a length of 15.6m stores an amount of energy equal to 3.30×10?9J, Calculate the ratio of the radii of the inner and outer conductors
calculate the [OH^-] of each aqueous solution with the following [H3O^+] at 25 degrees C: a)baking soda, 1.0x10^-8 M b)orange juice, 2.0x10^-4 M c)milk, 5.0x1-^-7 M d)bleach, 4.8x10^-12 M
Suppose you throw a rock from an initial height h0 at a speed v0 and angle ? from the horizontal. Neglect drag or friction, Determine the coordinate system and draw a diagram of the trajectory. Draw
a 2.0 nc charge is placed on the x-axis at x=-3.0cm another 2.0nc charge is placed on the x-axis at x=3.0cm, What is the potential at the origin
A patient with type I diabetes has come to the emergency room with ketoacidosis. which of the following would help to explain her high blood pressure
a skier of mass 100 kg, starts from rest as the top of a frictionless incline of height 20 m, how far does she travel on the horizontal surface before coming to rest
When a person moves from the fed to the fasting state following a meal, there is an incase in the mobilization of the components of triacylglycerol. all of the following help to maintain blood gluco
A solid sphere of mass 2.5 kg and a radius 0.15m starts from rest at the top of the a ramp inclined 15 degrees, What is the total kinetic energy of the sphere when it reaches the bottom of the ramp
If the capacitor and unductor in part (a) are connected in an L-C circuit, what will be the resonance angular frequency of that circuit
Calculate the moment of inertia and the rotational kinetic energy for the following objects spinning about a central axis
A 65ohms resistor, an 8.0uF capacitor, and a 35 mH inductor are connected in a series in an ac circuit. Calculate the impedance for a source frequency of 300Hz
All of the following are substrates or intermediates in the synthesis of phosphatidylinositol EXCEPT