Problem basd on measurements
Markings to indicate length are placed on a steel tape in a room that is at a temperature of 22°C. Measurements are then made with the same tape on a day when the temperature is 27°C. Are the measurements too long, too short, or accurate?
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Solar cells can produce 39.8 W of electricity per square meter of surface area if directly facing the Sun. How large an area is needed to supply the needs of a house that requires 23.3 kWh/day? (Assume that the Sun shines 8.64 hours per day.)
A physics student throws a bowling ball straight up into the air. THe ball was in the air for a total of 8.44 seconeds before it was caught at its orignial position. What was the intial velocity of the ball? And how high did it rise??
Calculate (a) the coal firing rate in lb/hr, (b) the fuel gas flow rate in scfm, and (c) the SO2 removal efficiency needed to meet a standard of 1.4 lb/MWh gross electrical energy output.
The following table contains the probability distribution for X = the number of retransmissions necessary to successfully transmit a 1024K data package through a double satellite media.
An attack helicopter is equipped with a 20mm cannon tat fires 112 g shells in the foward derection with a muzzle speed of 743 m/s. The fully loaded helicopter has a mass of 1630 kg. A burst of 238 shells is fired in a 3.99 s interval. What is the
Saturated liquid water is compressed from 100 kPa (State 1) to 2.5 MPa (State 2) in an adiabatic pump having 85% isentropic efficiency. Determine the entropy generation (kJ/kg-K) for the pump.
In this activity, students are asked to design a hypothesis test, collect data, analyze the data and share a conclusion. The focus may be something used in everyday life and general in nature.
A mass less vertical spring is displaced 0.15 m when a 3.25 kg mass is attached. When used horizontally, what is the total energy ff the spring has an amplitude of 0.25 m?
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Discuss the prehistoric period in human existence. In your discussion, explain the major characteristics of the Palaeolithic and Neolithic periods
What caused Southern Democrats to purge African-Americans from the voter registration rolls after the early 1890s?
Describe how historical discourses are recycled or repeated. Describe the dominant narrative about the history of immigration in the United States.
You can propose any historiographic study of military or diplomatic history (perhaps one connected with a desired capstone research agenda?).
How would you characterize the social, political, economic, and religious structures of ancient Sumerian civilization?
Based on your readings/studies, how would you characterize the social, political, economic, and religious structures of ancient Egyptian civilization?
Select a book about history relating to the period between approximately 3500 B.C. and A.D. 1600. Be careful not to choose a novel; a novel is a work of fiction