What is the blocks speed after being lifted
A cable with 17.0 N of tension pulls straight up on a 1.10 kg block that is initially at rest. What is the block's speed after being lifted 2.40 m ? Solve this problem using work and energy.
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Air enters an isentropic turbine at 145 psia and 900F through a 0.52 f^2 area with a velocity of 595 ft/s. It leaves at 15 psia with a velocity of 95 ft/s. Calculate the air temperature at the turbine exit AND the power produced by this turbine.
There is a tradeoff between the cost of eroneously discarding a good lot, and the cost of warranty claims if a bad lot is sold. The next few problems refer to this scenario.
Plush Pilots, Inc., has balance sheet equity of $5.2 million. At the same time, the income statement shows net income of $743,600. The company paid dividends of $423,852 and has 130,000 shares of stock outstanding.
Suppose the second survey had 20 subjects and a sample standard devation of 9 shots. Prob. Type I error = .05 Can we supprt the claim that the variation on the second day was greater than the variation on the first day?
A random sample of 6 music majors playing song S counted the number of mistakes each made. Then these musicians played song G and the mistakes were tallied. In between playing the two songs, the students practiced a more difficult song. Is there e
Negus Enerprises has aan inventory conversion period of 50 days, an average collection period of 35 days and a payable deferral period of 25 days. assume hat cost of goods sold is 80% of sales.
A turbine is operated with an enthalpy at entrance of 1340 Btu/lbm and an exit enthalpy of 1285 Btu/lbm. If the entrance velocity to the turbine is 150 ft/s.
In the 2012 Us census, the four most populous states (CA, TX, NY, FL) had 12.1%, 8.1%, 6.3% and 6.1% of the total US population. Suppose a pollster surveys 1000 US citizens and 102 are from CA, 84 from TX, 70 from NY, and 70 from FL. At the probab
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