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A conducting rod AB sliding with constant speed v=2m/s on conducting rails in a uniform magnetic field with B= 0.15T. What is the current in the rod
A step-down transformer is used for recharging the batteries of portable devices. Find the power delivered to the CD player
What is the pH of a buffer that results when .50 mole of H3PO4 is mixed with .75 mole of NaOH and diluted with water to 1.00 L . The Ka1 is 7.5*10^-3, Ka2=6.2*10^-8 and Ka3*10^-13. Why is 6.2 *10^-8
What is the ground-state electron configuration of the fluoride ion F-? Express your answer in condensed form, in order of increasing orbital energy.
A 44.0-? resistor is connected in series with a 68.0-µF capacitor and a generator having a maximum voltage of 1.20E2 V, find the capacitive reactance of the circuit
What is the pH of a buffer that results when .50 mole of H3PO4 is mixed with .25 mole of NaOH and diluted with water to 1.00 L The acid disassociation constants of phosphoric acid
A 94.07 cm-long steel string with a linear density of 1.02 g/m is under 273.01 N tension. find the wavelength of the sound wave that reaches your ear
A 50 foot garden hose isfilled with sea water. What is the resistance from one end to the other, what is the current density in the hose
How many grams of sucrose must be added to 320g of water to lower the vapor pressure by 1.5mm Hg at 25 degrees Celcius? The vaporpressure of water at 25 degrees Celcius is 23.8mmHg
A solid spherical ball of mass 1.21 kg and radius 0.07 m rolls along a smooth, level surface with a speed of 2 m/s. How far up the plane does the ball go
An RLC circuit consists of a 170 resistor, a 21.0 µF capacitor, and a 510 mH inductor, compute the phase angle between the current and the applied voltage
Ethylene glycol,C2H4(OH)2, is a colorless liquid used as automobile antifreeze. If the density at 20 degree Celcius of a 4.028m solution of ethylene glycol in water is 1.0241g/mL, What is the molari
Petane and 1-butanol are organic liquids with similar molecular masses but sunstantially different solubility behavior. Which of the two would you expect to be more soluble in water
The output voltage of an AC generator is given by ?v = 107 V sin (45?t). Find average power delivered to the inductor
A ten pound car wheel has a moment of inertia of 0.38 kg m2. What is the wheel's rotational kinetic energy
Silver metal crystallizes in a face centered cubic unit cell. The edge of the unit cell has a length of d = 407pm. What is the radius in picometers of a silver atom
An ideal 0.15-H inductor and a capacitor are connected in series with an ideal 60-Hz generator. Find the capacitance and the rms current in the circuit
The vapor pressure of ethanol at 34.7 degrees Celsius is 100mmgh, and the heat of vaporization of ehanol is 38.6 kj/ mol. What is the vapor pressure of ethanol in mm Hg at 65.0 degree celcius
An air-track glider attached to a spring oscillates between the 11.4 cm mark and the 57.27 cm mark on the track. What is the maximum speed of the glider in cm/s
An object of mass 263.25285 g executes SHM with an amplitude of 14.906379 cm and a period 29.11989 s. Find the force acting on the object
A sealed container with a capacity of exactly 100 mL contains 96.0 mL of liquid water at 0 degrees C. If the water freezes, will the container rupture
On a banked race track, the smallest circular path on which cars can move has a radius of 102 m, while the largest has a radius 157 m, Find the smallest and largest speed the cars can remove without
What concentration of C2O42- is necessary to begin precipitation? (Neglect volume changes.) [C2O42-] = M. (b) Which cation precipitates first? Cd2+ Ag+ (c) What is the concentration of C2O42- when t
The motion detector used in a physics lab sends and receives 49.55 kHz ultrasonic pulses. find the wavelength of the waves emitted by the motion detector
Calculate the solubility-product constant for Nd2(CO3)3. Ksp = (c) The Ksp of Ga(OH)3 at 25 oC is 7.28e-36. What is the molar solubility of Ga(OH)3? solubility = mol/L