Ask a New Question

Asked by EE

This exercise uses Newton's Law of Cooling.

A kettle full of water is brought to a boil in a room with temperature 20°C. After 15 minutes the temperature of the water has decreased from 100° to 75°C. Find the temperature after another 13 min. (Round your answer to one decimal place.)
3 years ago

Answers

Answered by oobleck
T(t) = 20 + (100-20)e^(kt)
using T(15) = 75, we have
20 + 80e^(15k) = 75
k = -0.025
So now find T(15+13)
3 years ago

Related Questions

Exercise: Add an appropriate /transition word/ or phrase to connect the following pairs of sentences... Exercise 32.4 Please help with this assignment. I'm having trouble with it. Rive to clarify p... Thank you. The exercise is not complete but aims at revising the use of the infinitive (with or with... Here is the second exercise I'd like you to check. Thank you, Writeacher. 1.I am used to (read) _... Here is the second exercise. Thank you very much for the revision. 1) John ……………………… buy the di... I need help with a C++ exercise. I need to write a code to display a table consisting of four row... DO YOU HAVE AN EXERCISE AND NUTRITION REGIMEN 1. At what age does exercise begin to result in strength in boys and girls? A. Between ages one an... For this exercise, you will need a rectangular prism (box). (Examples: drawer, storage container or...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use