Concept question 1 The San Gorgonio Pass wind farm, near Palm Springs, is one of three major wind farms in California. Determine which of the following are properties and which are not properties of...


Concept question 1<br>The San Gorgonio Pass wind farm, near Palm Springs, is one of<br>three major wind farms in California. Determine which of the<br>following are properties and which are not properties of the<br>wind farm (or some subsystem thereof):<br>(a) Number of wind turbines on the wind farm<br>(b) Mass of birds killed by colliding with turbine blades in<br>the year 2019<br>(c) Latitude & longitude of the wind fam<br>(d) Total number of rotations of all turbines on March 17,<br>Photo: Conn, Kit at the English-language<br>2021<br>Wikipedia, CC BY-SA 3.0<br>(e) Circumference of the circle swept out by an individual<br>blade over the course of 1 revolution<br>(f) Temperature of turbine blade<br>(g) Electrical power produced by the wind farm over the course of a month<br>(h) Date of manufacture of a turbine<br>(i) Color of turbine blade<br>Concept question 2<br>As a demonstration of the conversion of potential<br>into internal energy, you drop a 1-kg ball of Silly<br>Putty off a tall building from a height of h= 100 m.<br>Initially, the putty is at 300 K, and the surrounding<br>air is also at 300 K. Determine the rise in<br>temperature of the putty right after it impacts the<br>ground (before starting a heat transfer interaction<br>with the environment). Assume the putty to be an<br>incompressible solid with specific heat<br>c = 2500 J/kg-K. Assume the gravitational<br>acceleration is g = 9.81 m/s².<br>h<br>

Extracted text: Concept question 1 The San Gorgonio Pass wind farm, near Palm Springs, is one of three major wind farms in California. Determine which of the following are properties and which are not properties of the wind farm (or some subsystem thereof): (a) Number of wind turbines on the wind farm (b) Mass of birds killed by colliding with turbine blades in the year 2019 (c) Latitude & longitude of the wind fam (d) Total number of rotations of all turbines on March 17, Photo: Conn, Kit at the English-language 2021 Wikipedia, CC BY-SA 3.0 (e) Circumference of the circle swept out by an individual blade over the course of 1 revolution (f) Temperature of turbine blade (g) Electrical power produced by the wind farm over the course of a month (h) Date of manufacture of a turbine (i) Color of turbine blade Concept question 2 As a demonstration of the conversion of potential into internal energy, you drop a 1-kg ball of Silly Putty off a tall building from a height of h= 100 m. Initially, the putty is at 300 K, and the surrounding air is also at 300 K. Determine the rise in temperature of the putty right after it impacts the ground (before starting a heat transfer interaction with the environment). Assume the putty to be an incompressible solid with specific heat c = 2500 J/kg-K. Assume the gravitational acceleration is g = 9.81 m/s². h

Jun 11, 2022
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