This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Suppose you heat an oven to 400F and boil a pot of water. Which of the following explains why you ... (Read 8 times)

viki

  • Hero Member
  • *****
  • Posts: 525
on: Jul 27, 2018
Suppose you heat an oven to 400F and boil a pot of water. Which of the following explains why you would be burned by sticking your hand briefly in the pot but not by sticking your hand briefly in the oven?
 
  A) The water can transfer heat to your arm more quickly than the air.
  B) The water has a higher temperature than the oven.
  C) The molecules in the water are moving faster than the molecules in the oven.
  D) The oven has a higher temperature than the water.

Question 2

Suppose you measure the density (mass per volume) of an object moving by you at very high speed. How will its density compare to the density it would have at rest in your reference frame?
 
  A) Its density would be lower.
  B) Its density would be higher.
  C) Its density would be the same.
  D) There is no way to know, because relativity doesn't tell us anything about density.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ryhom

  • Sr. Member
  • ****
  • Posts: 366
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


viki

  • Member
  • Posts: 525
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

at

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

From space earth shows itself as a planet covered mostly by water. From space earth shows itself as a planet covered mostly by water.
Water Polar Bond Water Polar Bond
A fuel heater is part of the fuel filter and water separator located on the frame rail of a Ford ... A fuel heater is part of the fuel filter and water separator located on the frame rail of a Ford ...
A single overhead camshaft engine with a timing belt that also rotates the water pump. A single overhead camshaft engine with a timing belt that also rotates the water pump.
A 400-g piece of metal at 120°C is dropped into a cup containing 450 g of water A 400-g piece of metal at 120°C is dropped into a cup containing 450 g of water
A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is: A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is:
Video: First Stage of Labor and Delivery Video

For a complete list of videos, visit our video library