Modified Mastering Physics with Pearson eText -- Standalone Access Card -- for Conceptual Integrated Science
3rd Edition
ISBN: 9780135213339
Author: Hewitt, Paul, Suchocki, John, LYONS, Suzanne, Yeh, Jennifer
Publisher: PEARSON
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Textbook Question
Chapter 18, Problem 90TE
Why are tiny hummingbirds such good fliers? Is it easier for a small bird to stay in the air than for a large bird to do so? (Hint:
The amount of lift a bird generates depends on the surface
area of its wings, and a bird’s weight depends on its volume.)
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Small birds like that in (Figure 1) can migrate over long distances without feeding, storing energy mostly as fat rather than carbohydrate. Fat is a good form of energy storage because it provides the most energy per unit mass: 1.00 grams of fat provides about 9.40 (food) Calories, compared to 4.20 (food) Calories per 1.00 grams of carbohydrate. Remember that Calories associated with food, which are always capitalized, are not exactly the same as calories used in physics or chemistry, even though they have the same name. More specifically, one food Calorie is equal to 1000 calories of mechanical work or 4184 joules. Therefore, in this problem use the conversion factor 1Cal=4184J.
Consider a bird that flies at an average speed of 10.7 m/s and releases energy from its body fat reserves at an average rate of 3.70 W (this rate represents the power consumption of the bird). Assume that the bird consumes 4.00g of fat to fly over a distance db without stopping for feeding. How far will the…
Small birds like that in (Figure 1) can migrate over long distances without
feeding, storing energy mostly as fat rather than carbohydrate. Fat is a good
form of energy storage because it provides the most energy per unit mass:
1.00 grams of fat provides about 9.40 (food) Calories, compared to 4.20 (food)
Calories per 1.00 grams of carbohydrate. Remember that Calories associated
with food, which are always capitalized, are not exactly the same as calories
used in physics or chemistry, even though they have the same name. More
specifically, one food Calorie is equal to 1000 calories of mechanical work or
4184 joules. Therefore, in this problem use the conversion factor
1 Cal 4184 J.
Figure
1 of 1
▸ View Available Hint(s)
db = 455 km
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▾ Part B
▶
How many grams of carbohydrate mcarbwould the bird have to consume to travel the same distance db?
Express your answer in grams
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Correct
mcarb 8.95 g
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Part C
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Correct
This is more…
Small birds like that in (Figure 1) can migrate over long
distances without feeding, storing energy mostly as fat
rather than carbohydrate. Fat is a good form of energy
storage because it provides the most energy per unit
mass: 1.00 grams of fat provides about 9.40 (food)
Calories, compared to 4.20 (food) Calories per 1.00
grams of carbohydrate. Remember that Calories
associated with food, which are always capitalized, are
not exactly the same as calories used in physics or
chemistry, even though they have the same name. More
specifically, one food Calorie is equal to 1000 calories of
mechanical work or 4184 joules. Therefore, in this
problem use the conversion factor 1 Cal = 4184 J.
Figure
1 of 1
Part A
Consider a bird that flies at an average speed of 10.7 m/s and releases energy from its body fat reserves at an
average rate of 3.70 W (this rate represents the power consumption of the bird). Assume that the bird consumes
4.00 g of fat to fly over a distance do without stopping for…
Chapter 18 Solutions
Modified Mastering Physics with Pearson eText -- Standalone Access Card -- for Conceptual Integrated Science
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Ch. 18 - Prob. 11RCCCh. 18 - Prob. 12RCCCh. 18 - Prob. 13RCCCh. 18 - Prob. 14RCCCh. 18 - Prob. 15RCCCh. 18 - Prob. 16RCCCh. 18 - Prob. 17RCCCh. 18 - Prob. 18RCCCh. 18 - Prob. 19RCCCh. 18 - Prob. 20RCCCh. 18 - Prob. 21RCCCh. 18 - Prob. 22RCCCh. 18 - What are some features of arthropods?Ch. 18 - Prob. 24RCCCh. 18 - Prob. 25RCCCh. 18 - What is the difference between an ectotherms and...Ch. 18 - Prob. 27RCCCh. 18 - Prob. 28RCCCh. 18 - Prob. 29RCCCh. 18 - What type of chemical bond is responsible for the...Ch. 18 - Prob. 31TISCh. 18 - Prob. 32TISCh. 18 - Prob. 33TISCh. 18 - Prob. 34TISCh. 18 - Prob. 35TISCh. 18 - Prob. 36TISCh. 18 - Prob. 37TISCh. 18 - Is there any evidence that global warming has...Ch. 18 - Prob. 39TISCh. 18 - Prob. 40TISCh. 18 - Prob. 41TISCh. 18 - Prob. 46TCCh. 18 - Prob. 47TCCh. 18 - Prob. 48TSCh. 18 - Prob. 49TSCh. 18 - If two species belong to the same order, do they...Ch. 18 - Which is more arbitrary: classifying organisms...Ch. 18 - Prob. 52TECh. 18 - How are the three domains of lifeBacteria,...Ch. 18 - Prob. 54TECh. 18 - Prob. 55TECh. 18 - Prob. 56TECh. 18 - Why would life on Earth be impossible without...Ch. 18 - Prob. 58TECh. 18 - Prob. 59TECh. 18 - Prob. 60TECh. 18 - Prob. 61TECh. 18 - Prob. 62TECh. 18 - What are some extreme environments in which...Ch. 18 - We saw that life on Earth would be impossible...Ch. 18 - Are protists single celled or multicellular? Use...Ch. 18 - Prob. 66TECh. 18 - Prob. 67TECh. 18 - Prob. 68TECh. 18 - Prob. 69TECh. 18 - Prob. 70TECh. 18 - Prob. 71TECh. 18 - Compare the cohesion of water and the adhesion of...Ch. 18 - How can a plant gain water by losing water?...Ch. 18 - Prob. 74TECh. 18 - What do fungi and animals have in common? How do...Ch. 18 - Prob. 76TECh. 18 - Prob. 77TECh. 18 - The bluefire jellyfish in the photo has caught a...Ch. 18 - Prob. 79TECh. 18 - Prob. 80TECh. 18 - Many snakes can survive eating just once every few...Ch. 18 - What kinds of living things are corals? How do...Ch. 18 - Prob. 83TECh. 18 - Prob. 84TECh. 18 - Prob. 85TECh. 18 - Prob. 86TECh. 18 - All turtles reproduce by laying eggs. There are no...Ch. 18 - Prob. 88TECh. 18 - Prob. 89TECh. 18 - Why are tiny hummingbirds such good fliers? Is it...Ch. 18 - Viruses straddle the line between living and...Ch. 18 - What are some examples of viruses that make us...Ch. 18 - Prob. 93TECh. 18 - Of the three domains of life, Bacteria and Archaea...Ch. 18 - Prob. 95TDICh. 18 - Prob. 96TDICh. 18 - Most living organisms reproduce sexually sometimes...Ch. 18 - Prob. 98TDICh. 18 - Prob. 99TDICh. 18 - Prob. 100TDICh. 18 - Prob. 1RATCh. 18 - Prob. 2RATCh. 18 - Prob. 3RATCh. 18 - Which group contains prokaryotic organisms whose...Ch. 18 - All protists are a eukaryotes. b autotrophs. c...Ch. 18 - Prob. 6RATCh. 18 - Prob. 7RATCh. 18 - All fungi are a hetrotrophs. b multicellular. c...Ch. 18 - Prob. 9RATCh. 18 - Prob. 10RAT
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- Small birds like that in (Figure 1) can migrate over long distances without feeding, storing energy mostly as fat rather than carbohydrate. Fat is a good form of energy storage because it provides the most energy per unit mass: 1.00 grams of fat provides about 9.40 (food) Calories, compared to 4.20 (food) Calories per 1.00 grams of carbohydrate. Remember that Calories associated with food, which are always capitalized, are not exactly the same as calories used in physics or chemistry, even though they have the same name. More specifically, one food Calorie is equal to 1000 calories of mechanical work or 4184 joules. Therefore, in this problem use the conversion factor 1 Cal = 4184 J. Figure 1 of 1 Part A Consider a bird that flies at an average speed of 10.7 m/s and releases energy from its body fat reserves at an average rate of 3.70 W (this rate represents the power consumption of the bird). Assume that the bird consumes 4.00 g of fat to fly over a distance do without stopping for…arrow_forwardDescribe the mechanism of flight in birds?arrow_forwardA Hippogriff is a magical beast that had the front legs, wings, and head of a giant eagle and the body, hind legs and tail of a horse. It is very similar to another magical creature, the Griffin, with the horse rear replacing the lion rear. A slightly different breed of Hippogriffs, living in the Rathlin Island—the northernmost point in Northern Ireland, was known to have a growth rate of 0.2 individuals per individual—year. From an initial population of N0, it grew to 35 individuals after 5 years. After 17 more years, the total population of hippogriffs in Rathlin Island rose to 1588 individuals. Solve for the carrying capacity of Rathlin Island and the initial population of the said specie. Box the answers.arrow_forward
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