Author Question: In chemistry, reduction occurs when a substance A) accepts electrons B) loses electrons C) ... (Read 129 times)

LCritchfi

  • Hero Member
  • *****
  • Posts: 519
In chemistry, reduction occurs when a substance
 
  A) accepts electrons
  B) loses electrons
  C) rearranges its electrons internally
  D) breaks into its constituent atoms

Question 2

You hit a handball too hard, and it lands horizontally on top of a roof. If its original velocity was vo at an angle  above the horizontal, then it lands on the roof with a velocity of
 
  A) vo sin
  B) 2vo
  C) vo cos
  D) zero
  E) vo



aham8f

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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.

For a complete list of videos, visit our video library