Question
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Chapter 9, Problem 1P

a.

To determine

State the mass of the new model of automobile.

a.

Expert Solution
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Explanation of Solution

Discussion:

In recent days there are many new model of automobile models are introduced in the worldwide market. Consider on of the recent model of automobile choice is Honda Accord Hybrid. According to the model prescript the mass of automobile is 1620 kg.

Conclusion:

Thus, the new model of automobile is 1620 kg. It might differ for each of the new automobile.

b.

To determine

State the mass of an earth.

b.

Expert Solution
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Answer to Problem 1P

The mass of the earth is 5.972×1024kg approximately.

Explanation of Solution

Discussion:

Earth is an astronomical object, which is the third planet from the Sun. The approximate mass of the earth is 5.972×1024kg.

Conclusion:

Thus the mass of the earth is 5.972×1024kg approximately.

c.

To determine

State the mass of a fully loaded Boeing 777.

c.

Expert Solution
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Answer to Problem 1P

The fully loaded mass of Boeing 777 is 775,000lb.

Explanation of Solution

Discussion:

The Boeing 777 is the wide-body jet airliner, which is developed and manufactured by the Boeing Commercial Airplanes.

The maximum take-off weight of Boeing 777 is known as the fully-loaded mass of the airliner.

Conclusion:

Thus the fully loaded mass of Boeing 777 is 775,000lb.

d.

To determine

State the mass of an ant.

d.

Expert Solution
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Explanation of Solution

Discussion:

Ant is an insect of eusocial species group. The average mass of an ant is considered approximately 4mg.

Conclusion:

Thus, the average mass of an ant is 4mg approximately.

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س 1 تم أخذ قرار استثماري من قبل احدى الشركات المتخصصة في مجال البيئة والطاقة بالدخول في مشروع انشاء ابنية مستدامة وثبتت الشركة رغبتها بالحصول على عائد سنوي ثابت مقداره 50,000 دولار لمدة ثمانية سنوات بالاضافة الى عائد يغطي سداد ايجار مقر الشركة مقداره 35,000 دولار كل اربع سنوات, فاذا كانت المصاريف التشغيلية السنوية 20,000 دولار و نسبة الفائدة 10% % ماهو المبلغ الواجب استثماره من قبل الشركة لغرض تحقيق هذه العوائد؟ س2/ احسب القيمة المستقبلية المكافئة ( Future worth value ) للمشروع الاستثماري المبينة بياناته الاقتصادية في ادناه رأس المال Investment Cost الفقرة تكاليف التشغيل السنوية Annual Operating Cost العوائد السنوية Annual Revenue عمر المشروع Useful life Interest rate نسبة الفائدة Inflation rate نسبة التضخم المبلغ ($) 800,000 30,000 150,000 10 years 12% 4%
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A lagoon with volume 1,300 m3 has been receiving a steady flow of a non-conservative waste (rate constant= 0.19/day) at a rate of 80 m3/day for a long enough time to assume that steady-state conditions apply. The waste entering the lagoon has a concentration of 12 mg/L.  A. What would be the concentration of pollutant in the effluent leaving the lagoon?  B. If the input waste concentration suddenly increased to 110 mg/L, what would the concentration in the effluent be 8 days later?
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