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MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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I need help with #7
MOLTIPLE CHOICE, Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response. 100,000,000,000 ormula A nation of 100 million people is growing at a rate of 4% per year. Use the exact double time to determine what the population will be in 33 years. B) 365 million A) 191 million C) 102 million D) 250 million Use the earthquake magnitude scale to answer the question. 4009060 2) B 2) How much energy, in joules, is released by an earthquake of magnitude 5.8? A) 1.6 × 1010 joules C) 7.9 × 1015 joules (B1.2 x 1013 joules D) 1.3 x 1013 joules Use the pH scale to answer the question. 3) 3) What is the pH of a solution with a hydrogen ion concentration of 10-3 mole per liter? Is this solution an acid or a base? A) pH = 4; acid B) pH = 8; base C) pH = 7; neutral D) pH = 3; acid B. Provide an appropriate response. 4) 4) Urban encroachment is causing the area of a forest to decline at a rate of 6% per year. Use the approximate half-life formula to determine the half-life of the forest. A) .09 years B) 11.67 years C) 14.00 years D) 12.20 years B. 5) A certain radioactive isotope decays at a rate of 8% per year. Determine the half-life of this isotope, 5) to the nearest tenth of a year. A) 86.3 years B) 8.3 years C) .4 years D) 5 years 6) The initial population of a town is 128,066 and it grows with a doubling time of 97 years. What will the population be in 35 years? A) 8,964,620 people C) 4,482,310 people 6) B) 128,090 people D) 164,457 people Determine whether the growth (or decay) is linear or exponential, and answer the associated question. 7) The population of Oak Forest is increasing at a rate of 4% per year. If the population is 39,410 today, what will it be in three years? A) Exponential; 44,331 people C) Linear; 64,410 people 7) B) Exponential; 41,008 people D) Linear; 122,959 people i4.04 = Use the decibel scale to answer the question. 8) How much louder (more intense) is a 80-dB sound than a 40-dB sound? A B) 1040 times as loud (A)40 times as loud C) 1.2 times as loud D) 10,000 times as loud 9) 9) What is the loudness, in decibels, of a sound 16 trillion times as loud as the softest audible sound? B) 132 dB C) 185 dB D) 106 dB A) 158 dB
Transcribed Image Text:MOLTIPLE CHOICE, Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response. 100,000,000,000 ormula A nation of 100 million people is growing at a rate of 4% per year. Use the exact double time to determine what the population will be in 33 years. B) 365 million A) 191 million C) 102 million D) 250 million Use the earthquake magnitude scale to answer the question. 4009060 2) B 2) How much energy, in joules, is released by an earthquake of magnitude 5.8? A) 1.6 × 1010 joules C) 7.9 × 1015 joules (B1.2 x 1013 joules D) 1.3 x 1013 joules Use the pH scale to answer the question. 3) 3) What is the pH of a solution with a hydrogen ion concentration of 10-3 mole per liter? Is this solution an acid or a base? A) pH = 4; acid B) pH = 8; base C) pH = 7; neutral D) pH = 3; acid B. Provide an appropriate response. 4) 4) Urban encroachment is causing the area of a forest to decline at a rate of 6% per year. Use the approximate half-life formula to determine the half-life of the forest. A) .09 years B) 11.67 years C) 14.00 years D) 12.20 years B. 5) A certain radioactive isotope decays at a rate of 8% per year. Determine the half-life of this isotope, 5) to the nearest tenth of a year. A) 86.3 years B) 8.3 years C) .4 years D) 5 years 6) The initial population of a town is 128,066 and it grows with a doubling time of 97 years. What will the population be in 35 years? A) 8,964,620 people C) 4,482,310 people 6) B) 128,090 people D) 164,457 people Determine whether the growth (or decay) is linear or exponential, and answer the associated question. 7) The population of Oak Forest is increasing at a rate of 4% per year. If the population is 39,410 today, what will it be in three years? A) Exponential; 44,331 people C) Linear; 64,410 people 7) B) Exponential; 41,008 people D) Linear; 122,959 people i4.04 = Use the decibel scale to answer the question. 8) How much louder (more intense) is a 80-dB sound than a 40-dB sound? A B) 1040 times as loud (A)40 times as loud C) 1.2 times as loud D) 10,000 times as loud 9) 9) What is the loudness, in decibels, of a sound 16 trillion times as loud as the softest audible sound? B) 132 dB C) 185 dB D) 106 dB A) 158 dB
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