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Locate the centroid y of the shaded area. y x a y h xn h h

Engineering Mechanics: Statics | 14th Edition | ISBN: 9780133918922 | Authors: Russell C. Hibbeler ISBN: 9780133918922 126

Solution for problem 9-36 Chapter 9

Engineering Mechanics: Statics | 14th Edition

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Engineering Mechanics: Statics | 14th Edition | ISBN: 9780133918922 | Authors: Russell C. Hibbeler

Engineering Mechanics: Statics | 14th Edition

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Problem 9-36

Locate the centroid y of the shaded area. y x a y h xn h h a n y h x h a Probs. 935/36

Step-by-Step Solution:
Step 1 of 3

Weather Climate and Society Weather Variables:  Barometric pressure  Air temperature  Dew point temperature  Humidity  Wind Direction  Precipitation  Cloud Cover Barometric Pressure:  Gravitational effect on mass of air  Expressed as millibars (mb, or 1kg/cm^2)  Measured using barometer  Standard sea level pressure is 1013.2 millibars or kilopascal (kPa)  Higher elevation >> less air on top o Denver is a Mile higher than sea level Weather Station Model: Air Temperature Air temperature Is expressed as Kelvin (K) or degrees Celcius Humidity Mixing ratio > mass of water vapor relative to mas of other gasses (g/kg) Saturation mixing ratio > mass of water in air when air is saturation (Can not hold anymore water). Relative humidity > RH = Mixing ratio/Sat. Mixing ratio Dew Point Temperature:  When the air is saturated  Temperature in which the air cant cool anymore Wind Speed:  Measured with an anemometer, expressed in m/s or mph o Classified by the beaufort scale o Wind above 75mph is a hurricane Wind Direction:  Expressed in degrees of a circle or cardinal direction  Southernly winds are coming from the south to the north Precipitation:  Water released from the clouds in the form of rain, sleet, snow, or hail o Expressed as mm/hr or cm/hr Precipitation Gauges  Simple rain gauge, digital gauge, tipping bucket gauge, climate reference network gauge Cloud Cover  The fraction of the sky obscured by clouds depends on the optical depth (thickness).  Measured in otkas or the nearest 1.8 cover

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Chapter 9, Problem 9-36 is Solved
Step 3 of 3

Textbook: Engineering Mechanics: Statics
Edition: 14
Author: Russell C. Hibbeler
ISBN: 9780133918922

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Locate the centroid y of the shaded area. y x a y h xn h h