« previous next »

Author Question: The potential energy of a pendulum is greatest a. when its potential energy is least. b. at the ... (Read 34 times)

jazziefee

  • Hero Member
  • *****
  • Posts: 505
on: Jul 28, 2018
The potential energy of a pendulum is greatest
 a. when its potential energy is least.
  b. at the top of its swing.
  c. at the bottom of its swing.
  d. when its total energy is greatest.

Question 2

An advantage of synthetic detergents over soaps is that they
 a. do not contain sulfur.
  b. dissolve grease.
  c. do not form scum in hard water.
  d. are more readily biodegradable.


perkiness

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

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

Worldwide Use of Nuclear Energy Worldwide Use of Nuclear Energy
The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p
Membrane potential of muscle cell Membrane potential of muscle cell
Resonance transfer of energy in a light-harvesting complex Resonance transfer of energy in a light-harvesting complex
Gravitational Potential Energy for the Earth problem Gravitational Potential Energy for the Earth problem
Energy requirements of an uncatalyzed versus an enzymatically catalyzed chemical reaction Energy requirements of an uncatalyzed versus an enzymatically catalyzed chemical reaction
Video: Chemical Changes

For a complete list of videos, visit our video library