Toppling in an earthquake
The diameter of the base of a cylindrical chimney is 6', its height is 30' and its weight is 1200 lbs. What should be the smallest tie down force that will prevent its toppling in an earthquake whose ground acceleration is 2.5 m/s2 ?
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A tuning fork having a name plate frequency of 512 hz falls from an over pass as it is struck on the railing a Physics student hears the frequency as 524 hz just as it approaches him below the overpass. How far below is the Physics student? The sp
A computer system requires all uses to log on using a 6 character password. if each character can be either a digit from 0 to 9 or a letter of the alphabet, what is the number of possible passwords (please provide an explanation with solution)?
The phenolphthalein/hydroxide reaction is typical of most chemical reactions in its response to temperature. Will it, therefore, be slower or faster at 5oC in comparison to its rate atroom temperature?
For 60 days a child has a 2.7% everyday of winning a prize for entering a school contest. There are approximatly 128,000 children entering the contest. What is the probability that a child will win 1, 2, 3, or four times over the 60 day period?
Calculate the specific heat capacity (J/g oC) of aluminum, if a 749 g sample of aluminum has a temperature change of-367.00 oC when it lost 247700 J of heat energy.
A geothermal power plant uses geothermal liquid water (assume saturated liquid) at 150 °C at a rate of 210 kg/s as the heat source. Determine the exergy of the geothermal water entering the plant.
the heights of men on a baceball team have a bell shaped distribution mean of 178 cm and a standard deveiation of 7 cm. Using the empirical rule what is the approximate percentage of the men between e folwing values
Determine KM and Vmax for the enzyme. For each inhibitor,determine the type of inhibition as well as the constants Ki and/or Ki′. What additional piece of information is required to calculate the turnover number of the enzyme?
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