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Air in a 120-km/h wind strikes head-on the face of

Physics for Scientists & Engineers with Modern Physics | 4th Edition | ISBN: 9780131495081 | Authors: Douglas C. Giancoli ISBN: 9780131495081 132

Solution for problem 9.8 Chapter 9

Physics for Scientists & Engineers with Modern Physics | 4th Edition

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Physics for Scientists & Engineers with Modern Physics | 4th Edition | ISBN: 9780131495081 | Authors: Douglas C. Giancoli

Physics for Scientists & Engineers with Modern Physics | 4th Edition

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Problem 9.8

Air in a 120-km/h wind strikes head-on the face of abuilding 45 m wide by 65 m high and is brought to rest. If airhas a mass of 1.3 kg per cubic meter, determine the averageforce of the wind on the building.

Step-by-Step Solution:
Step 1 of 3

Lectures 1 2 and 3 Average Speed & Average Velocity vavgdistancetime=dt *speed is a scalar (magnitude with no direction vavgdisplacementtime= rt * velocity is a vector (has direction) → UNITS: ms vavg and r point in direction of motion vx= xf-x0t → xf=x0+t(vx) *with constant velocity  Negative slope = negative velocity  Steeper slope = faster speed Acceleration aavgvt *rate of change of velocity (slowing, speeding, changing direction) aavgv - n+1 n → UNITS: ms 2 → If v and a are point in the same direction, the object is speeding up afree fall0 ms2 → 1 dimensional acceleration down a slope: as= g(sin) Ki

Step 2 of 3

Chapter 9, Problem 9.8 is Solved
Step 3 of 3

Textbook: Physics for Scientists & Engineers with Modern Physics
Edition: 4
Author: Douglas C. Giancoli
ISBN: 9780131495081

The answer to “Air in a 120-km/h wind strikes head-on the face of abuilding 45 m wide by 65 m high and is brought to rest. If airhas a mass of 1.3 kg per cubic meter, determine the averageforce of the wind on the building.” is broken down into a number of easy to follow steps, and 42 words. Since the solution to 9.8 from 9 chapter was answered, more than 398 students have viewed the full step-by-step answer. This full solution covers the following key subjects: air, building, wind, brought, cubic. This expansive textbook survival guide covers 44 chapters, and 3904 solutions. This textbook survival guide was created for the textbook: Physics for Scientists & Engineers with Modern Physics, edition: 4. The full step-by-step solution to problem: 9.8 from chapter: 9 was answered by , our top Physics solution expert on 11/10/17, 05:57PM. Physics for Scientists & Engineers with Modern Physics was written by and is associated to the ISBN: 9780131495081.

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Air in a 120-km/h wind strikes head-on the face of