# Devry PHYS 320 Week 1 ilab Latest

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## Devry PHYS 320 Week 1 ilab Latest

iLab 1 of 9: Newton’s Law of Cooling

Note!

Submit your assignment to the Dropbox located on the silver tab at the top of this page.

(See the Syllabus section “Due Dates for Assignments & Exams” for due dates.)

ILAB OVERVIEW

Scenario and Summary

A hot object will cool to the temperature of its surroundings at a rate that is proportional to the difference in temperature between the object and the temperature of its environment. This is called Newton’s law of cooling. The equation that describes Newton’s law of cooling is the same form as the equation that describes a capacitor charge and discharge. We know from electronics that you need to wait five time constants to be sure that a capacitor is discharged.

Newton’s law of cooling basically states that the rate at which an object cools depends on the difference in temperature between the object and its surroundings. This leads to an interesting question. Imagine the following scenario. I pour myself a hot cup of coffee but I know that it will be at least ten minutes before I will get a chance to drink it. Should I put the milk in right away or wait until I am ready to drink? This question isn’t a scientific question because the answer depends upon my personal preferences. However, I can reframe this as a scientific question as follows. I take two samples of hot liquid and add the same amount of cold liquid to each. For the first sample, I will add the cold liquid after the hot liquid has been cooling for one minute. For the second sample, I will add the cold liquid after the hot liquid has been cooling for nine minutes. Which sample will have the higher temperature after ten minutes?

The purpose of this activity is to investigate Newton’s law of cooling.

Deliverables

 Category Points % Description 2 questions @ 1 point each 2 10% Completely follows instructions and answers the questions correctly. 5 questions @ 2 points each 10 30% Completely follows instructions and answers the questions correctly. 2 questions @ 3 points each 6 20% Completely follows instructions and answers the questions correctly. 3 questions @ 4 points each 12 40% Completely follows instructions and answers the questions correctly. Total 30 100% A quality report will meet or exceed all of the above requirements.

Required Software

Datastudio

Access the software at Student Software Store.
Steps: All

ILAB STEPS

STEP 1: Review Lab Instructions for Experiment 1

Click .equella.ecollege.com/file/645b8c4f-8681-4517-ba5c-9c99759baced/1/documents–PHYS320_W1_iLabO_Instructions.pdf”>here to review detailed instructions for this week’s lab. Follow the steps in this document to complete the lab activity.

STEP 2: Complete the Data Sheet

Click .equella.ecollege.com/file/645b8c4f-8681-4517-ba5c-9c99759baced/1/documents–PHYS320_W1_iLab1O_Datasheet.docx”>here to download the lab report template for this week’s lab. Use this template to complete your lab report.

Save your file using the filename format “lastname_firstinitial_iLab1”. For example, if you are Albert Einstein and you are submitting your iLab 1, the filename should be “einstein_a_iLab1″.

Submit your assignment to the Dropbox located on the silver tab at the top of this page. For instructions on how to use the Dropbox, read these .next.ecollege.com/default/launch.ed?ssoType=DVUHubSSO2&node=184″>step-by-step instructionsor watch this Tutorial.next.ecollege.com/default/launch.ed?ssoType=DVUHubSSO2&node=232″>Dropbox Tutorial.

See the Syllabus section “Due Dates for Assignments & Exams” for due date information.

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Devry PHYS 320 Week 1 ilab Latest

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