Essential University Physics: Volume 1 (3rd Edition)
3rd Edition
ISBN: 9780321993724
Author: Richard Wolfson
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 8FTD
Emissions of carbon dioxide from fossil-fuel combustion are often expressed in gigatonnes per year, where 1 tonne = 1000 kg. But sometimes CO2 emissions are given in petagrams per year. How are the two units related?
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On average, each person in the industrialized world is responsible for the emission of 10,000 kg of carbon dioxide (CO2) every year. This includes the CO2 that you generate directly, by burning fossil fuels to operate your car or your furnace, as well as the CO2 generated on your behalf by electric generating stations and manufacturing plants. CO2 is a greenhouse gas that contributes to climate change. What is the volume, in m3, of 10,000 kg of CO2 at 20°C and 1.0 atm pressure? To put this in perspective, the volume of a typical hotair balloon is 3000 m3.
The Physics Club sells E = mc² T-shirts at the local flea market. Unfortunately, the club's previous administration has been losing money for years, so you decide to do an analysis of the sales. A
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q = -2p2 + 33p
(9 sps 15).
Here, p is the price the club charges per T-shirt, and g is the number it can sell each day at the flea market.
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E =
(b) Compute the elasticity of demand if the price is set at $9 per shirt. (Round your answer to two decimal places.)
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The demand for E = mc2 T-shirts is going ?
v by about
% per 1% increase in the price.
(c) How much should the Physics Club charge for the T-shirts to obtain the maximum daily revenue?
$
What will the revenue be?
$
A house’s electricity use, over a one day period, is modelled by E(t) = t + sin(t) (kW), where t is in hours. What is cumulative energy consumption of the household over the period, approximately? Include units.
Chapter 1 Solutions
Essential University Physics: Volume 1 (3rd Edition)
Ch. 1.2 - A Canadian speed limit of 50 km/h is closest to...Ch. 1.3 - Rank the numbers according to (1) their size and...Ch. 1 - Explain why measurement standards based on...Ch. 1 - Prob. 2FTDCh. 1 - Why doesnt Earths rotation provide a suitable time...Ch. 1 - To raise a power of 10 to another power, you...Ch. 1 - What facts might a scientist use in estimating...Ch. 1 - How would you determine the length of a curved...Ch. 1 - Write 1/x as x to some power.Ch. 1 - Emissions of carbon dioxide from fossil-fuel...
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