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A supertaker filled with oil has a total mass of 6 * 10^8 kg. If the dimensions of the ship are those of a rectangular box 300 meters long, 80 meters wide, and 40 meters high, determine how far the
Water flows into the center of a porous material and then flows through the other side. (The center of the material is cylindrical in nature). Assuming the output rate of flow is double the input r
The inner sphere has a net charge of Q1 = 4.70 µC, and the outer spherical shell has a net charge of Q2 = -8.30 µC. What is the surface charge density, sb, on the inner surface of the oute
A U.S. $20 gold piece has a mass of 33.44 grams and displaces 1.935 cm^3 of water. If the coin is known to consist of only gold (Pau = 19.3 g/cm^3) and copper ( Pcu = 8.9 g/cm^3), what is the percen
A 2.00 -long, 480 rope pulls a 6.00 block of ice across a horizontal, frictionless surface. The block accelerates at 2.00 . How much force pulls forward on (a) the ice, (b) the rope?
An electron moves in a circular path perpendicular to a constant magnetic field of magnitude 1.00 mT. The angular momentum of the electron about the center of the circle is 4.00 kg m2/s. Determine (
Two parallel metal plates have area A = 255 cm2 and are separated by l = 0.50cm. They have a potential difference of 0.25 V. Find the numerical value of the electric field. What are the charge densi
Many acid-catalyzed reactions begin with the protonation of the reactant. Draw the electron flow arrow(s) in the following reaction mechanism that shows this process.
An electron moves in a circular path perpendicular to a constant magnetic field of magnitude 1.00 mT. The angular momentum of the electron about the center of the circle is 4.00 m kg m2/s. Determine
1450 mmHg and 286k, a skin diver exhales a 207ml bubble of air that si 77% N2, 17% O2,6% CO2 by volume.How many mole of N2 are in the bubble?
The coil is then rotated with an angular speed of 5.00p rad/s. (The plane of the coil is in the yz plane at t = 0.) Determine the emf generated in the coil as a function of time.
A sample of water contaminated with radionuclides showed an activity of 12,436 counts per second at time of sampling and 8966 counts per second exactly 30 days later. What is the half-life of the r
Kendrew were awarded the Nobel Prize for their discovery of the structure of hemoglobin, a very large molecule that transports oxygen from the lungs to cells through the bloodstream.
The edges of a cube consist of equal resistors of resistance R, which are joined at the corners. Let a battery be connected to two opposite corners of a face of the cube. What is the effective resis
You find yourself on the surface of this asteroid and throw a baseball at a speed of 24 m/s. If the baseball is to travel around the asteroid in a circular orbit, what is the largest radius asteroid
When light of frequency 5.26×1015 s-1 shines on the surface of a metal, electrons are ejected with a maximum kinetic energy of 2.68×10-19 J.
Two identical conducting small spheres are placed with their centers 0.395 m apart. One is given a charge of -12.0 nC and the other a charge of -15.0 nC. (a) Find the electric force exerted by one s
A small bubble rises from the bottom of a lake, where the temperature and pressure are 4oC and 3.0 atm, to the water's surface, where the temperature is 25oC and pressure is 0.95 atm.
A solenoid of radius 2.3 cm has 370 turns and a length of 25 cm. (a) Find its inductance. (b) Find the rate at which current must change through it to produce an emf of 73.
If this force causes the centripetal acceleration of the electron, what is the speed of the electron?
The complete combustion of salicylic acid releases 21.90 kJ of energy per gram of salicylic acid. In a particular bomb calorimeter (initially at room temperature), the combustion of 0.1288 g of sali
(a) What is the total momentum of the system of the two carts at this instant? (b) What was the velocity of the first cart when the second cart was still at rest?
The slower planet's orbital period is 7.93 years. (a) What is the mass of the star? (b) What is the orbital period of the faster planet, in years?
Suppose you have a solution that might contain any or all of the following cations: Cu2+, Ag+, Ba2+ and Mn2+. Addtion of HCl causes a precipitate to form. After the precipitate is filtered off, H2SO
A satellite is in a circular orbit about the earth (M = 5.98 x 1024 kg). The period of the satellite is 1.38 x 104 s. What is the speed at which the satellite travels?