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Wal-Mart sells thermometers ($2) and hot-water bottles ($6). In December, Wal-Mart's total sales were $1,200. Customers bought 7 times as many thermometers as hot-water bottles. How many of each did
In 1968 the estimated population of the world was 3,559,028,982 people. When this number is written in expanded form using exponents, one power of 10 would not be represtented. Which power of 10? Wh
The heat capacity is critical in calculating the enthalpy and entropy. Using the data (heat capacity) from book or internet and also?fusH (I2) = 15.52387kJ/mol at 387K and?vap (I2) =41.57kJ/mol
Air flows from a reservoir ( ) 2 0 0 1 , 40 p MN m T C = = ° through a Laval nozzle with a throat diameter of 0.1 m and a maximum Mach number of 0.75.Calculate the mass flow rate, nozzle di
Question: To avoid hitting any rocks below, a cliff diver jumps up and out. The equation h = -16t2 +4t +26 describes her height h in feet t seconds after jumping. Find the time at which he returns to
A supersonic wind tunnel is designed for M = 3 at the test section with a throat 0.12m in area. The supply pressure and temperature at thenozzle inlet, where velocity is negligible, are 0.152MN m
If a manufacturer has fixed costs of $ 400 , a cost per item for production of $ 30 , and expects to sell at least 100 items, how should he set the selling price to guarantee breaking even?
Use a Punnett Square to determine the genotypes and phenotypes of the following crosses: (you can use the table function in "Word" to make your Punnett Squares).
For the following two peptides, draw the chemical structure of both peptides,indicating where the peptide bonds are.
a block of mass m1=8 rests on a frictionless surface and is attached to a light cord that is wrapped around a solid cylinder of mass m2, radius r=.130 m and moment of inertia I=1/2m2R^2. After it is r
A circuit consists of an ideal ac generator, a 30 µF capacitor, and an 75? resistor, all connected in series. The output of the generator has a peak emf of 20 V, and the armature of the generato
A sinusoidal wave of amplitude A1 approaches a and travels through a region of the string in which the mass per unit length changes gradually from mu_1 to mu_ 2. It can be shown that , in su
A student sitting on a frictionless rotating stool has rotational inertia 0.91kg?m2 about a vertical axis through her center of mass when her arms are tight to her chest. The stool rotates at 7.25rad/
A magnetic field is oriented at an angle of 39? to the normal of a rectangular area 4.8cm by 7.7cm If the magnetic flux through this surface has a magnitude of 4.6×10?5.T?m2 , what is the streng
A square current loop 4.5cm on each side carries a 460mA current. The loop is in a 1.2T uniform magnetic field. The axis of the loop, perpendicular to the plane of the loop, is 30? away from the field
Briefly and clearly explain the concept of Inertia held by; Galilio, Kepler, and Descartes. Make sure that your description clarify how these postions differ from one another?The phrase" the newtonian
A cylindrial tank being drained through a duct whose cross-sectional area is 3x10-4 m2. The velocity of the water at the exit varies according to (2gz)0.5, where z is the water level, in m, and g is t
A thin uniformly chargde rod has a length L=10cm and a linear charge density lambda = +5x10^6 e/cm. e is the change of an electron, which equals to 1.6x10^-19 C. Given a=5cm and b=15cm (b is the dista
A charged particle is projected in a uniform electric field between two plates with initial velocity 5x10^3m/s at angle 40 degrees to the x-axis. Its charge is q= -1.0x10^-11 C and mass is m=3.0x10^-1
In a two to four page paper, explain how modern genetic technology may lead to personalized medicine. Give two or more specific examples of the benefits of personalized medicine.
A particle has a de Broglie wavelength of 2.7x10-10 m.Then its kinetic energy doubles. What is the particle's new de Broglie wavelength, assuming that relativistic effects can be ignored?
PSI (x) is the wave function for a particle moving along the x axis. Write the mathematical that will allow us to calculate the probability that the particle is detected in the inteval X=A to X=B
A transverse traveling wave on a cord is represented by D = 0.56 sin(6.4x + 82t) where D and x are in meters and t is in seconds.(a) Determi
A 40 mH inductor with 4.0 resistance is connected in series to a 20 µF capacitor and a 60 Hz, 30-V (rms) source. Calculate the following value.(a) rms cu
Describe technologies or practices (or best management practices) that industry can implement to minimize or reduce government inspections or oversight.