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Author Question: You are removing a pie from a 350F oven, and while you need to protect your hands from the pie pan, ... (Read 25 times)

penguins

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on: Jul 29, 2018
You are removing a pie from a 350F oven, and while you need to protect your hands from the pie pan, the backs of your hands and your wrists and forearms are unprotected, yet they don't get burned. Why?
 
  What will be an ideal response?

Question 2

A flatbed truck is carrying a load of timber which is not tied down. The mass of the timber is 800 kg. The maximum frictional force between the truck bed and the load is 2400 N.
 
  What is the highest acceleration that the truck can have without losing its load?


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covalentbond

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Your body is largely water, which has a much higher heat capacity than air, thus the contact with the hot air causes only a small temperature change in your body.

Answer to Question 2

3.00 m/s2


penguins

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Reply 2 on: Jul 29, 2018
Gracias!

cici

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Reply 3 on: Yesterday
Wow, this really help

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