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 73 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?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Body cavities. (A) Lateral view of a sagittal section through the body. (B) Anterior view of a front Body cavities. (A) Lateral view of a sagittal section through the body. (B) Anterior view of a front
human anatomy human anatomy
The Human Eye The Human Eye
LION-HUMAN LION-HUMAN
The human metallothionein IIA gene promoter The human metallothionein IIA gene promoter
Video: Conjunctivitis

For a complete list of videos, visit our video library