If the first swing of this pendulum travels for 42 cm and its successive swing decreases by 20%, what is the total distance travelled by the pendulum until it stops?

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Q: The surface area of kelp near Monterrey Bay is 40,000 square acres, but after four years a red sea…

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Q: A vehicle purchased for $32,500 depreciates at a constant rate of 5% per year. Determine the…

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Q: The half-life of the plutonium isotope is 24,360 years. If 10 g of plutonium is released into the…

A: It is given that the half-life of the plutonium isotope is 24,360 years. Use formula, an exponential…

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Q: An element with mass 730 grams decays by 27.6% per minute. How much of the element is remaining…

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Q: An element with mass 730 grams decays by 28.8% per minute. How much of the element is remaining…

A: There is an exponential decay with rate of 28.8%.

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A: Given that  To find the how long did the farmers need to wait to use this hay

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Q: A radioactive substance has a half-life of 64 hours. If 200 grams of the substance are initially…

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Q: The half-life of radium is 1690 years. If 10 grams is present now, how much will be present in 100…

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Q: A patient is adminstered a dose of 70mg of a drug. If the body naturally disposes of 5% of the drug…

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Q: The half-life of a certain substance is 3.6 days. How long will it take for 20 g of the substance to…

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Q: Find the average rate of increase in population which in the first decade has increased by 20%, in…

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Q: If 12oz of a 20% sugar solution is combined with 8oz of a 32% sugar solution find the concentration…

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Q: An isotope of cesium has a half life of 29 years. If 1300 grams of cesium disintegrates over a…

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Q: If an initial population Po of bacteria doubles in 6 hours, how long will it take to triple (grow to…

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Q: The Yasuko Okada Fragrance Company (YOFC) receives a shipment of 400 cases of specialty perfume…

A: receives a shipment of 400 cases of specialty perfume early Monday morning of every week sells the…

Q: The company X has achieved following CR (current ratio) in 12 months period of time.

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Q: Hello! I need help with this particular question on my study guide. There is an attachment below.…

A: Here we use half-life to calculate the exponential decay:

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Q: if 8 g of a radioactive substance are present initially and 4 yr later only 4 g remain, how much of…

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Q: A bacteria sample in a lab grows to double its original mass in 3 hours. At what time will it be…

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Q: A small metal bar, whose initial temperature was 20° C, is dropped into a large container of boiling…

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Q: A worker uses 450 inches of steel wire to make 300 springs of the same size. At this rate how many…

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Q: An element with mass 490 grams decays by 28.6% per minute. How much of the element is remaining…

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Q: A storage area has space for 20,000 parts. Currently 15,000 parts are stored there. How many percent…

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Q: The half -life of carbon-14 is 5,730 years. Suppose a fossil is found with 20% as much of its…

A: Given that the half-life of carbon-14 is 5,730 years. So, h=half life=5730 Let the initial amount=P=…

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A: Given,element with mass = 510 gramsdecay rate = 26.3% per minuteour aim is to find how much of the…

Q: If paper napkin 0.10 inch thick could be folded so that it was half as large but twice as thick,…

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Q: If 50 grams of a radioactive substance decomposed to 42 grams in 2 years, then, to the nearest gram…

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Q: An element with mass 310 grams decays by 8.9% per minute. How much of the element is remaining after…

A: Given   mass = 310 gm  Rate = 8.9 %  Time = 19 min

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Q: A toxic radioactive substance with a density of 9 milligrams per square cm is detected in the…

A: It is given that, A toxic radioactive substance with a density of 9 milligrams per square cm is…

Q: A vehicle purchased for $25000 depreciates at a constant rate of 4%. Determine the approximate value…

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Q: An element with mass 490 grams decays 28.6% per minute. How much of the element is remaining after…

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Q: |The amount A(t) of atmospheric pollutants in a certain mountain valley grows naturally and is…

A: Write the naturally growing equation as exponential function A(t). At t = 0, let A (t) be Ao and at…

Q: A 50-mg sample of a radioactive substance decays to 34 mg after 30 days. How long will it take for…

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Q: Element X is a radioactive isotope such that every 27 years, its mass decreases by half. Given that…

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Q: Assume a new car costs £20k and loses 20% of its value every year. How much is it worth after 5…

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Q: If the temperature on the third day of the month is 50 degrees Fahrenheit and 82 degrees by the 11th…

A: Given: The temperature on the third day of the month is 50 degrees Fahrenheit and 82 degrees by the…