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

Author Question: Which of the following air pollutants is emitted mainly by the automobile? a. particulates b. ... (Read 98 times)

rachel9

  • Sr. Member
  • ****
  • Posts: 495
on: Jul 28, 2018
Which of the following air pollutants is emitted mainly by the automobile?
 a. particulates
  b. carbon monoxide
  c. sulfur dioxides
  d. hydrocarbons
  e. nitrogen oxides

Question 2

A 5.0-kg mass is suspended by a string from the ceiling of an elevator that is moving upward with a speed which is decreasing at a constant rate of 2.0 m/s in each second. What is the tension in the string supporting the mass?
 a. 49 N
  b. 39 N
  c. 59 N
  d. 10 N
  e. 42 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ApricotDream

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

B


rachel9

  • Sr. Member
  • ****
  • Posts: 495
Reply #2 on: Jul 28, 2018
Thanks


ApricotDream

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Fossil Fuels Energy Yield and Pollutants—Comparison Fossil Fuels Energy Yield and Pollutants—Comparison
Intensity and Wavelengths of Emitted Radiation Intensity and Wavelengths of Emitted Radiation
Pollutants emission Pollutants emission
Tobacco smoke and radon are the most dangerous indoor pollutants in the industrialized world Tobacco smoke and radon are the most dangerous indoor pollutants in the industrialized world
An antique automobile bumper is to be chrome plated. The bumper, which is dipped into an acidic ... An antique automobile bumper is to be chrome plated. The bumper, which is dipped into an acidic ...
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
Video: Tuberculosis Testing

For a complete list of videos, visit our video library