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

Author Question: Which of the following air pollutants is emitted in about equal amounts by stationary and mobile ... (Read 130 times)

bio_gurl

  • Hero Member
  • *****
  • Posts: 524
on: Jul 28, 2018
Which of the following air pollutants is emitted in about equal amounts by stationary and mobile sources?
 a. particulates
  b. carbon monoxide
  c. sulfur dioxides
  d. hydrocarbons
  e. nitrogen oxides

Question 2

A 5.0-kg mass is attached to the ceiling of an elevator by a rope whose mass is negligible. What force does the mass exert on the rope when the elevator has an acceleration of 4.0 m/s2 upward?
 a. 69 N downward
  b. 29 N downward
  c. 49 N downward
  d. 20 N downward
  e. 19 N downward


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

millet

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jul 28, 2018
Answer to Question 1

e

Answer to Question 2

A


bio_gurl

  • Member
  • Posts: 524
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

bigcheese9

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Sources and Amounts of Oil Released into North American Marine Waters Sources and Amounts of Oil Released into North American Marine Waters
Mobile Theme Mobile Theme
Examples of Impacts Associated with Different Amounts of Global Average Temperat Examples of Impacts Associated with Different Amounts of Global Average Temperat
In middle childhood, children spend increasing amounts of time with peers and friends. In middle childhood, children spend increasing amounts of time with peers and friends.
While fish-oil supplements contain omega-3 fatty acids, excessive amounts can be unhealthy for some While fish-oil supplements contain omega-3 fatty acids, excessive amounts can be unhealthy for some
The Amounts of the Different Minerals in Your Body The major minerals are present in larger amounts The Amounts of the Different Minerals in Your Body The major minerals are present in larger amounts
Video: Chemical Buffers - protein buffer, phosphate buffer system and bicarbonate buffer system

For a complete list of videos, visit our video library