A telephone wire 5 mm in diameter is suspended between
A telephone wire 5 mm in diameter is suspended between telephone poles spaced 50 m apart. If the wind velocity is 100 km/h and the air is at 2 degrees C, 1 atm, determine the horizontal force (in N) the wire exerts on the poles.
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Use the enthalpies of bond formation to rationalize why nitrogen forms a dimer and phosphorous a tetramer.
A simply supported beam is to span 12 feet. It will support a uniformly distributed load of 800 pounds per linear foot over the full span and a concentrated load of 1000 pounds acting at 4 feet from the left support.
Two 52 kN loads are maintained 2.5 m apart as they are moved slowly across beam AB. Write a computer program to calculate the deflection at the midpoint C of the beam for values of x from 0 to 9 m, using .5 m increments.
Liquid HCN is unstable with respect to trimer formation. What would be the structure of this trimer
With aqueous H2CrO4, compound A was oxidized to an optically inactive dicarboxylic acid C, C6H10O4. Give structures for compounds A, B, and C; do not specify stereochemistry
A rectangular unfinished concrete channel with wood forms is laid on a bottom slope of 0.0064 to carry a flow of 20m^3/s of water. Determine the width of the channel when the flow is in critical condition.
Calculate the mass percent composition of carbon in each the following carbon compounds. Express your answer using 4 significant figures. C4H10 C6H10 C8H13O5N
After two days, only one-quarter of a radioactive sample remains. What is the half life of the nuclei
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Which best describes the qualities of capillaries, with respect to blood pressure and the capacity for exchanging materials with tissues?
What is the approximate diameter of a capillary? The width of one hemoglobin molecule The width of one Fe2+ atom The width of the aorta
Introduction: In this lab, you will examine the water cycle. Review the water cycle in this week's reading before beginning.
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You could cardiac cells have DNA closed in a double membrane called the nucleus the nucleus functions to a separate the DNA from other activities