Answered: A small metal bar, whose initial…

A small metal bar, whose initial temperature is 20°C, is dropped into a container of boiling water. How long will it take the bar to reach 90°C if its temperature increases 2° in 1 second?

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter10: Force And Force-related Variables In Engineering

Section: Chapter Questions

Problem 26P: SAE 30 oil is contained in a cylinder with inside diameter of 1 in. and length of 1 ft. What is the...

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Concept explainers

Dimensional homogeneity

The term dimensional homogeneity means that in an equation, the dimensions of each term on both sides are equal, which means the dimensions of the left-hand side (LHS) of an equation are similar to the dimensions of the right-hand side (RHS). For a dimensionally homogeneous equation, the powers of fundamental dimensions will be identical on both sides of the equation.

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5. A small metal bar, whose initial temperature is 20°C, is dropped into a container of boiling
water. How long will it take the bar to reach 90°C if its temperature increases 2° in 1 second?

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