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Compute the horizontal and vertical components of force at pin B. The belt is subjected to a tension of T = 100 N and passes over each of the three pulley.
Use as reference system x-axis to the right and y-axis upward. The answers should be expressed with three significant digits and the sign should refer to the direction of the x- and y-axis.
Bx=
Blank 1. Fill in the blank, read surrounding text.
N
By=
Blank 2. Fill in the blank, read surrounding text.
During a strenuous workout an athlete generates 2050.0 kJ of heat energy. What mass of water would have to evaporate from the athletes skin to dissipate this much heat
If the gas is at 24 degrees Celsius and 1.0 atm, what mass of helium is in the blimp?
In one form of the Fullerene C60 molecules C60 form a cubic - closest packed array of spheres with unit cell edge length of 1410pm. Explain what is the density of crystalline C60 in g/cm3
calculate the molar mass of an unknown compound based on the following data. a mixture containing 1.11g of the unknown
Extracellular Na+ is higher than intracellular Na+. If membrane potential were to reach the equilibrium potential for Na+ in which direction would the net Na+ movement be?
What are the signs of Hvap and Svap for water. Do you expect the signs of these quantities to be the same for other liquids. Explain.
a. Explain what volume of hydrogen at 15.00atm and 350 degrees C must be supplied to produce 1.0 tone (1t=10^3 kg) of NH3. b. Explain what volume of hydrogen is needed in part as if it is supplied at 376atm and 250 degrees C
The stable form of the common sugar glucose contains a six-membered ring in the chair conformation with all substituents in equatorial postions. Draw the most stable conformation of glucose
A solution is 0.0100 M in Pb2+ ions. If 0.103 mol of solid Na2SO4 is added to 1.00L of this solution (with negligible volume change), what percent of the Pb2+ ions remain in solution.
Problem- Half of a mole (.5mol) of neon, an ideal gas, is isothermally and reversibly compressed at 305 K from an initial pressure and volume of 2.5 atm and 5.0 L to a final pressure and volume of 12.5 atm and 1.0 L. What are q and w for the compr..
The elementary steps for the formation of nitrogen and water from nitric oxide and hydrogen are given below. Identify any intermediates. 2 NO(g) ? N2O2(g) N2O2(g) + H2(g) ? N2O(g) + H2O(g) N2O(g) + H2(g) ? N2(g) + H2O(g)
The complexes [Mn(H2O)6]2+, [Fe(H2O)6]3+, [MnCl4]2-, and [FeCl4]- all have magnetic moments of nearly 5.92 BM. What does this tell you about the geometric and electronic structures of these complexes
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