Answered: The ratio of the number of sparrows…

The ratio of the number of sparrows visiting a bird feeder to the number of more interesting birds is 2.25. On a morning when altogether 91 birds visit the feeder, what is the number of sparrows?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter1: Units And Measurement

Section: Chapter Questions

Problem 18P: Roughly how many times longer than the mean life of an extremely unstable atomic nucleus is the...

See similar textbooks

Related questions

Q: A student measured the density of a material to be (1.934 0.003) x 10' g/cm. The number of…

A: density = (1.934 +- 0.003)*10 g/cm3 note:- number of significant figure in (1.934)=4 number of…

Q: If you multiplied 4574 m by 56 m, how many significant figures should you report in your answer?

A: To determine Significant Figures

Q: If a marathon runner averages 6.3 mi/h, how long does it take him or her to run a 26.22-mi marathon?

A: Given that the average speed of the marathon runner is 6.3mi/h, and the total distance covered in…

Q: slugs per cubic foot is a measure of what??

A: The slug/ft3 is a unit of measurement of density. The slug is defined as the mass that is…

Q: Write each of the following numbers to 3 significant figures in non-exponential notation. (Do not…

Q: 6.3 KA is how many µA?

A: Given: The amount is given = 6.3 KA

Q: you select a rental package that includes a car with an average consumption of 6.00 liters of fuel…

A: Given,Average fuel cost in Europe = 1.063 euros/literFuel consumption= 6.00 liters per 100 km

Q: A generation is about one-third of a lifetime. Approximately how many generations have passed during…

A: Given,

Q: If a marathon runner averages 6.4 mi/h, how long does it take him or her to run a 26.22-mi marathon?

Q: How many megahertz is 750 kilohertz?

Q: A particular variety of wood has a density of 0.40 grammes per cubic centimetre. What is the mass in…

Q: The fastest growing plant on record is a Hesperoyucca whipplei that grew 3.7 m in 14 days.What was…

Q: What should you do after obtaining a numerical answer when solving a problem?

Q: Per hour, a 30-kW diesel generator consumes 8.80 gallons of fuel. If the generator was turned on for…

A: Given: The fuel consumed in one hour is 8.80 gallons. The time duration for which the generator was…

Q: The accepted thickness of a sheet in the South College Catalog is 0.123 mm. If there are 25.4 mm in…

A: UNITS AND DIMENSIONS

Q: The fastest growing plant on record is a Hesperoyucca whipplei that grew 3.7 m in 14 days. What was…

Q: What is the mass of a 1,405-N reptile in kilograms? Your answer should be rounded to the closest…

Q: The fastest growing plant on record is a Hesperoyucca whipplei that grew 3.7 m in 14 days. What was…

A: Given growing rate of planet R = 3.7 m / 14 days 1m = 106 micro metre 1 day= 24 × 60 × 60 sec =…

Q: A study finds that the metabolic rate of mammals is proportional to m3/4, where m is the total body…

Q: An average human heart beats 67 times per minute. If the average person lives to the age of 73. how…

A: GivenAverage human heart beat =67 times per minuteAverage life of person=73 years

Q: 10. During an autopsy, the stomach was removed and the stomach and its contents weighed 1,250 grams.…

A: Weight of stomach was measured to be = 1250 grams

Q: How many minutes are in a week?

A: 1 week = 7 days or 1 week = 7 x 24 hours or 1 week = 7 x 24 x 60 minutes or 1 week = 10080 minutes

Q: The average cost per unit P(x) in pesos, в 0.67 to produce x units of cellphone is 300 given by P(x)…

A: NOTE : As per bartleby guidelines, we can answer only first question. For remaining questions please…

Q: Suppose a man's scalp hair grows at a rate of 0.35 mm per day. What is this growth rate in feet per…

A: Given information: The man's scalp hair growth rate is 0.35 mm/day.

Q: Calculate the approximate number of atoms in a bacterium, assuming the average mass of an atom is…

A: The mass of bacterium is of the order of 10-15 kg while the mass of hydrogen atom is of the order of…

Q: A study finds that the metabolic rate of mammals is proportional to m14, where m is the total body…

A: Given: The mass of human is mh=70 kg. The mass of cat is mc=6.11 kg. The ratio of metabolic rate of…

Q: According to the label on a bottle of 10 points salad dressing, the volume of the contents is 0.473…

Q: Nine days ago the area covered by the piece of bread was 3 sq inches. Total, the mould covers 9 sq…

A: The area covered by the mold nine days ago= 3 square inches. The area covered by the mold in the…

Q: For adults, the RDA of the amino acid lysine is 12 mg per kg of body weight. How many grams per day…

A: According to question we need to find How many grams per day should a 77 kg adult receive?

Q: The quantities a, b, and c are positive and ab equals c/4. If a is increased by 50 percent and b is…

Q: he distance between Makati and Tagaytay is 4,120 km. How many miles are there between the two…

A: The distance between Makati and Tagaytay is D =4,120 km. We know 1 kilometres = 0.621 miles Then…

Q: A study fonds that the metabolic rate of mamals is proportional to the mass of the mamal carried to…

Q: A room is 13 ft by 16 ft. How many square yards are in the room?

A: given size of room L = 13 ft W = 16 ft

Q: Suppose a man's scalp hair grows at a rate of 0.50 mm per day. What is this growth rate in feet per…

Q: The record blue whale shown below had a mass of 1.90 × 105 kg. Assuming that its average density was…

A: Volume is,

Q: You are moving to the USA for your studies and the apartment you want to rent states a floor size of…

A: Square meter is the unit of area with sides are in meter. And square feet is the unit of area with…

Q: If the density of air is 1.2 kg/m3, what is the total mass of air in a rectangular room that has a…

A: The volume of the room can be obtained as V=A×h=53m2×5m=265m3

Q: The mass of the parasitic wasp Caraphractus cintus can be as small as 3x10* kg. What is this mass in…

A: Given:- 1) The mass of the parasitic wasp Caraphrachuis cintus = 3 x 10-4 kg. Find:- The mass in…

Q: Lake Baikal in Siberia holds the world's largest quantity of fresh water, about 14 Eg. How many…

A: in this question we convert values.

Q: What is the area (m2) of a shed that is reported of having a roof of 1420 square feet?

A: Relation between units of length. 1 foot =0.3048 m

Q: China's urban population is growing at 2.5% a year, compounding continuously. If there were 13.7…

A: Given Data: The number of people in shanghai in 1996 is, N0=N0=13.7 million The annual rate per year…

Q: A study finds that the metabolic rate of mammals is proportional to m3/4, where m is the total body…

A: Given that metabolic rate (R) is proportional to mass(m) powered 34th : R∝m34

Q: A liter (L) is the volume of a cube that is 10 cm by 10 cm. If you drink 1 liter of water, how much…

A: It is given that, A liter (L) is the volume of a cube that is 10 cm by 10 cm by 10 cm i.e. Volume,…

Q: A study finds that the metabolic rate of mammals is proportional to m314, where m is the total body…

A: The total body mass is denoted by m. The metabolic rate (R) of mammals is proportional to m3/4. The…

Question

The ratio of the number of sparrows visiting a bird feeder to the number of more interesting birds is 2.25. On a morning when altogether 91 birds visit the feeder, what is the number of sparrows?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

If the DNA strand in a molecule could be stretched out, it would have a length on the order of 2.0 m. What would this be in feet and inches?
Roughly how many heartbeats are there in a lifetime?
Roughly how many times longer than the mean life of an extremely unstable atomic nucleus is the lifetime of a human?
(a) What is the order of magnitude of the number of micro organisms in the human intestinal tract? A typical bacterial length scale is 10-6 m. Estimate the intestinal volume and assume 1% of it is occupied by bacteria. (b) Does the number of bacteria suggest whether the bacteria are beneficial, dangerous, or neutral for the human body? What functions could they serve?
The mass of a substance, which follows a continuous exponential growth model, is being studied in a lab. The doubling time for this substance was observed to be 18 hours. There were 95.1 mg of the substance present at the beginning of the study. (a) Let i be the time (in hours) since the beginning of the study, and let y be the amount of the substance at time 1. Write a formula relating y to t. Use exact expressions to fill in the missing parts of the formula. Do not use approximations. アミ (b) How much will be present in 16 hours? Do not round any intermediate computations, and round your answer to the nearest tenth, mg olo
Estimate the number of people in the world who are suffering from the common cold on any given day. (Answers may vary. Remember that a person suffers from a cold for about a week.)
(a) Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten times the mass of a bacterium. (b) Making the same assumption, how many cells are there in a human?
A city's population in the year x = 1993 was y = 3,042,850. In 1964 the population was 3,044,300. Compute the slope of the population growth (or decline) and choose the most accurate statement from the following: O The population is increasing at a rate of 100 people per year. The population is increasing at a rate of 50 people per year. The population is decreasing at a rate of 50 people per year. The population is decreasing at a rate of 200 people per year. The population is increasing at a rate of 200 people per year. O The population is decreasing at a rate of 100 people per year.
China's urban population is growingat 2.5% a year, compounding continuously. If there were13.7 million people in Shanghai in 1996, approximatelyhow many people will there be in 2020? Apply the formulaN = N0ert N represents the number of people
A certain breed of mouse was introduced onto a small island with an initial population of 350 mice, and scientists estimate that the mouse population is doubling every year (a) Find a function N that models the number of mice after t years M) - 350(2) (b) Estimate the mouse population after 9 years. 1X mice
Calculate how many litters of gasoline are used in the USA in one day? Assume that there are two cars for every three people, and each car has driven an average of 12,000 mi per year and the average car gets 15 miles per gallon.
Suppose that a population of bacteria for an experiment increases according to the law of exponential growth, i.e. the number of bacteria y changes with respect to time t (in days) according to dy = ry; y(0) = C dt There were 50 bacteria at the start of the experiment and 100 bacteria 5 days after. a) Find the value of r. Round off your answer to four decimal places. b) How many bacteria are there after 8 days of the experiment? Round off your answer to the nearest whole number.