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Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 20 - Problem 61pe
Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 20 - Problem 61pe

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# PE Integrated Concepts What current must be produced by a ISBN: 9780130606204 3

## Solution for problem 61PE Chapter 20

Physics: Principles with Applications | 6th Edition

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Problem 61PE

PE Integrated Concepts What current must be produced by a 12.0-V battery-operated bottle warmer in order to heat 75.0 g of glass, 250 g of baby formula, and 2? 3.00×10? g of aluminum from 20.0ºC to 90.0ºC in 5.00 min?

Step-by-Step Solution:

Step-by-step solution The specific heat capacity of any substance is defined as "the quantity of heat required to change the temperature of a unit mass of the substance by 1 degree." Specific Heat Capacity Formula is expressed as Specific heat capacity is a sort of thermal inertia since it signifies the resistance of a substance to a change in its temperature. Specific Heat Capacity Formula is also expressed in terms of quantity of heat Q. Given: voltage =12.0-V Change in tempreature = 20.0ºC to 90.0ºC Time = 5.00 min , 1 min = 60 seconds , (conversion) Mass of the bottle =75.0 g of glass Mass of aluminium =3.00×10 g 2 Mass of baby formula,= 250 g Step 1 of 3 We know that The power is defined as the rate of flow of energy as shown below in equation (1) P= Q/t………………….(1) Here, Q is defined as the energy and t is the time taken for flow of energy. The electric power is defined as the rate at which energy is produced through a current carrying element. P= IV……………….(2) Here, I is the current and V is the voltage supplied.

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##### ISBN: 9780130606204

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