A person consumes about 2800 Cal a day.1 Cal-4186 J, and 1 kWh-860 Cal.Part BPart CIf a power company charges about 12 e per kilowatt-hour, how much would this energy cost perday if the person bought it from the power company?Express your answer using two significant figures.195] ΑΣΦΑX"X4 →√ √xx X LXIEd ?X-10°401Cost 39You have already submitted this answer. Enter a new answer.No credit lost. Try again[20]$ per day An insulated beaker with negligible mass contains liquid water with a mass of 0.330 kg and atemperature of 60.5 °C.Part AHow much ice at a temperature of -18.5 °C must be dropped into the water so that the finaltemperature of the system will be 40.0 °C?Take the specific heat of liquid water to be 4190 J/kg K, the specific heat of ice to be 2100J/kg K, and the heat of fusion for water to be 3.34x105 J/kg.

A person consumes 2800 calories a day. 1 cal=4186 J1 kWh=860 cal In terms of kWh, the energy…

A person consumes about 2800 Cal a day. 1 Cal=4186 J, and 1 kWh 860 Cal. ▸ Part B Part C If a power company charges about 12 e per kilowatt-hour, how much would this energy cost per day if the person bought it from the power company? Express your answer using two significant figures. ΑΣΦ | X √x √xx 4 → 1X1 X-10° 401 ? Cost 39 You have already submitted this answer. Enter a new answer No credit lost. Try again $ per day

A person consumes about 2800 Cal a day. 1 Cal=4186 J, and 1 kWh 860 Cal. ▸ Part B Part C If a power company charges about 12 e per kilowatt-hour, how much would this energy cost per day if the person bought it from the power company? Express your answer using two significant figures. ΑΣΦ | X √x √xx 4 → 1X1 X-10° 401 ? Cost 39 You have already submitted this answer. Enter a new answer No credit lost. Try again $ per day

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A person consumes about 2800 Cal a day.
1 Cal-4186 J, and 1 kWh-860 Cal.
Part B
Part C
If a power company charges about 12 e per kilowatt-hour, how much would this energy cost per
day if the person bought it from the power company?
Express your answer using two significant figures.
195] ΑΣΦΑ
X"
X
4 →
√ √xx X LXI
Ed ?
X-10°
401
Cost 39
You have already submitted this answer. Enter a new answer.
No credit lost. Try again
[20]
$ per day

An insulated beaker with negligible mass contains liquid water with a mass of 0.330 kg and a
temperature of 60.5 °C.
Part A
How much ice at a temperature of -18.5 °C must be dropped into the water so that the final
temperature of the system will be 40.0 °C?
Take the specific heat of liquid water to be 4190 J/kg K, the specific heat of ice to be 2100
J/kg K, and the heat of fusion for water to be 3.34x105 J/kg.

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