a) A small metal bar, whose initial temperature was 10° C, is dropped into a large container of boiling water. How long will it take the bar to reach 70° C if it is known that its temperature increases 2° during the first second? (The boiling temperature for water is 100° C. Round your answer to one decimal place.) ____sec b) How long will it take the bar to reach 96° C? (Round your answer to one decimal place.) ____ sec

a) A small metal bar, whose initial temperature was 10° C, is dropped into a large container of boiling water. How long will it take the bar to reach 70° C if it is known that its temperature increases 2° during the first second? (The boiling temperature for water is 100° C. Round your answer to one decimal place.) sec b) How long will it take the bar to reach 96° C? (Round your answer to one decimal place.) sec

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter64: Volumes Of Spheres And Composite Solid Figures

Section: Chapter Questions

Problem 17A

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Question

a) A small metal bar, whose initial temperature was 10° C, is dropped into a large container of boiling water. How long will it take the bar to reach 70° C if it is known that its temperature increases 2° during the first second? (The boiling temperature for water is 100° C. Round your answer to one decimal place.)
____sec

b) How long will it take the bar to reach 96° C? (Round your answer to one decimal place.)
____ sec

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