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Bob has 513 g of coffee at 359 K with a specific heat of c = 0.71cal/g K in his favorite UCF mug. He added 49 g of milk to his coffee with a temperature of 285 K and a specific heat of 0.36cal/g K.
Bob needs your help to calculate the final equilibrium temperature of his coffee is after the milk is added.
Calculate the equilibrium temperature Teq of the coffee with milk.
If the relative uncertainty of the measurement of the slit separation d above is 6.3%, and other measurement uncertainties are neglected, what is the absolute uncertainty of the wavelength (to two important figures)?
the headlights on a certain car are measured to be 1.1 m apart. the diameter of the pupil in a human eye is 2.5 mm.
A helium-filled balloon contains n = 1.1 moles of helium atoms at room temperature and a pressure P = 2 ? Patm (twice atmospheric pressure). How many moles are in the balloon
5.00 g of ice at -10.0 celsius are added to 20.0 mL of hot coffee at 60.0 celsius, What is the final temperature of the coffee
For a spring-mass oscillator, if you triple the mass but keep the stiffness the same, what numerical factor does the period change? That is, if an original period was T and the new period is bT, what is b? It is useful to write out the expression ..
Consider a wide-gap degenerate n-type semiconductor with a bandgap of Eg=3.5 eV. Given a constant effective mass Mn*=0.2 m in the entire conduction band (i.e. a parabolic E-k relationship),
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A 2530 {\rm kg} satellite used in a cellular telephone network is in a circular orbit at a height of 710 {\rm km} above the surface of the earth. What is the gravitational force on the satellite
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0315 s, find the vertical components of the launch velocity
A pipe is opened at both ends. Its length is 22.81cm. If i excite standing waves in the pipe by blowing air over one of its ends, I hear a pitch of 712.5 Hz. a) find the distance between the antinodes at the two ends of the pipe.
Assume that the protons in a hot ball of protons each have akinetic energy equal to kT, what is the least separation anytwo protons can have
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