What will be the length of the wire
Suppose that you wish to fabricate a uniform wire out of 0.800 g of copper. Assume the wire has a resistance R = 0.300 , and all of the copper is used.
(a) What will be the length of the wire?
(b) What will be the diameter of the wire?
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(a) At what time is the water mass greatest, and (b) what is that greatest mass? In kilograms per minute, what is the rate of mass change at (c) t = 2.1 s and (d) t = 4.7 s?
A person stands at the base of a hill that is a straigt incline making an angle omega with the horizontal. For a given initial speed, at what angle theta(from the horizontal) should objects be thrown so that the distance d they land up the hill is
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Calculate the final temperature if the same gas under goes an adiabatic expansion against an external pressure of P = 1.00 bar to a final pressure of P =1.00 bar.
Suppose that you wish to fabricate a uniform wire out of 0.800 g of copper. Assume the wire has a resistance R = 0.300 , and all of the copper is used. (a) What will be the length of the wire?
If the shear modulus for this steel is11 × 10^6 psi, calculate the minimum wire diameter required such that the spring will not plastically deform when subjected to the preceding load.
Calculate the concentration of CN- and the pH for asolution that is made by mixing 50mL of 0.1 M HClO4 with4.2 mL of 0.438 M NaCN. Assume HClO4 to be a strongacid, NaCN to be a strong electrolyte (dissociates completely) and the pKa for HCN to be
1 cubic Meter, (1.00m^3) of aluminum has a mass of 2.70x10^3 kg, and a 1.00m^3 of iron has a mass of 7.86x10^3 kg. Find the radius of a solid aluminum sphere that will balance a solid iron sphere of radius 2.00 cm on an equal-arm balance.
Find the average number of moviegoers waiting in line to purchase a ticket. What percentage of the time is the cashier busy? What is the average time that a customer spends in the system?
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