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An LC circuit consists of a capacitance of 30 µF and an inductance of 15 mH. AT time t = 0 the charge on the capacitor is around 10 µC and the current is 20 mA. The utmost charge on the
If the atmospheric pressure is 755 mmHg, explain how high (inmmH2O) is the column of water in the tube (d of Hg =13.5 g/mL; d of H2O = 1.00 g/mL)? A long glass tube, sealed at one end, has an inner di
Determine what mass of water at 28.0° C added to the Styrofoam cup having two ice cubes of 60.0 g from a freezer at -20.0° C will outcome in a final temperature of 5.0° C for the drink?
Determine the numbers of grams of the first reactant are necessary to completely react with55.8 grams of the second reactant for the following precipitation reaction.
Determine the numbers of milliliters of mercury will saturate a room that is 15x12x8 feet with the mercury vapor at 25 degrees C? Mercury is an extremely toxic substance.
When 30.0 kcal of heat are supplied to the 5.00 x 102 g of water at 22° C, determine the final temperature of the water?
Determine the numbers of moles of HCl would it take to neutralize the sodium hydroxide produced if you are given a 0.3 g piece of sodium metal to react with water.
Pool is shaped like the cylinder with diameter of 11 m and depth of 2 m. If water is pumped out of pool at rate of 13 m3 per hour, how many hours it takes to empty pool?
If 15.35 calories of the heat were lost on the transfer, and the final temperature of water and alloy in the beaker was 27.95C, describe the heat capacity of the alloy?
A sky diver of 65 kg jumped out of an airplane at an altitude of 0.70 km. She opened her parachute after a while and ultimately landed on the ground having a speed of 5.8 m/s. Determine how much ene
If the Na+ radius is 56.4 % of the Cl- radius and the distance among the Na+ nuclei is 566 pm, calculate the radii of the two atoms? The NaCl crystal structures consist of alternating the N
A 10 micro-coulomb charge is positioned at the origin and a 20 micro-coulomb charge is positioned on the x-axis at x = 40 cm. When an electron is positioned on the y-axis at y = 30 cm, Determine the
6-foot pole will form center support. Determine length x of the side of base so that total amount of canvas required for sides and bottom is 576ft^2.
Compounds of hydrogen and boron are remarkable, not only for their unusual bonding, but also for their reactivity. With the more reactive halogens, for example, diborane (B2H6) forms trihalides even
One component of the magnetic field consists of a magnitude of 0.022 T and points all along the positive x-axis, while the other component consists of a magnitude of 0.030 T and points all along the
Determine the numbers of calories are needed to warm the 20.4 g of water from 80°C to 100.0°C and convert it to steam at 100.0°C? The heat of vaporization of water is 540. cal/g.
When the ball is caught at the similar height at which it left the quarterback's hand, determine how many revolutions has the ball made while in the air?
The storage tank for propane gas is to be made in shape of the right circular cylinder of altitude 20 ft with the hemisphere attached to each end. Find radius x so that resulting volume is 49.5(pi)f
You have probably never noticed time dilation effects in daily life. Do some computations to see why this is. (i) Compute the speed that a friend would encompass to move with respect to you so that
A ray of light is incident on the still water (n = 1.3333) of a swimming pool. When the angle this ray makes with the normal is the polarizing (Brewster’s) angle, determine the angle with resp
How does the density of the object compare with the water and with the brine solution? Explain. An object floats in a7% solution of NaCl but sinks in the distilled water.
You are called on by the indignant captain to describe the discrepancy, who maintains that her lights are totally compliant with code. What spacecraft speed will exhibit both the captain and policem
If a radioactive element has a half-life of 24 days, determine the rate constant and how long will it take for 1.5 x 10e21 atoms of the element to decay down to 2.7 x 10e19 atoms. Radioactive decay
The scientist has limited temperature T (in degrees Celsius) during the 24-hour period. If t denotes time in hours and t=0 corresponds to midnight, determine fourth degree polynomial that fits infor
A fly-wheel is a solid disk which rotates around an axis which is perpendicular to the disk at its center. Rotating flywheels give a means for storing energy in the form of rotational kinetic energy