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

Author Question: Which element makes up the largest percentage by mass in the human body? a) oxygen b) carbon c) ... (Read 74 times)

kshipps

  • Hero Member
  • *****
  • Posts: 571
on: Jul 28, 2018
Which element makes up the largest percentage
  by mass in the human body?
  a) oxygen
  b) carbon
  c) nitrogen
  d) iron

Question 2

A 3.0-kg object moving in the positive x direction has a one-dimensional elastic collision with a 5.0-kg object initially at rest. After the collision the 5.0-kg object has a velocity of 6.0 m/s in the positive x direction. What was the initial speed of the 3.0 kg object?
 a. 6.0 m/s
  b. 7.0 m/s
  c. 4.5 m/s
  d. 8.0 m/s
  e. 5.5 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wtf444

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

d


kshipps

  • Hero Member
  • *****
  • Posts: 571
Reply #2 on: Jul 28, 2018
TY


wtf444

  • Sr. Member
  • ****
  • Posts: 314
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Human Structure Human Structure
The human HLA complex and its different regions. The human HLA complex and its different regions.
The Mechanism of Oxygen Binding by Heme Proteins The Mechanism of Oxygen Binding by Heme Proteins
Atmospheric carbon dioxide concentrations in ppm Atmospheric carbon dioxide concentrations in ppm
Nader makes semi-annual payments of $3000 to pay off his loan. Because of unemployment, he ... Nader makes semi-annual payments of $3000 to pay off his loan. Because of unemployment, he ...
Structure and function of human teeth. Structure and function of human teeth.
Video: Griffith's experiments

For a complete list of videos, visit our video library