« previous next »

Author Question: A water wave spreading out in a circle across the surface of a pond is an example of A) a ... (Read 24 times)

formula1

  • Hero Member
  • *****
  • Posts: 666
on: Jul 29, 2018
A water wave spreading out in a circle across the surface of a pond is an example of
 
  A) a two-dimensional wave.
  B) witchcraft.
  C) a one-dimensional wave.
  D) particle motion, or mass motion, rather than wave motion.
  E) a three-dimensional wave.

Question 2

A girl lifts a ball by means of a string attached to the ball. The string exerts a 20 newton force on the ball. The ball weighs 8 newtons. The net force on the ball is
 
  A) zero. B) 28 newtons. C) 12 newtons. D) 20 newtons. E) 8 newtons.


rleezy04

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Plant cells expand by taking up water into their vacuoles. Plant cells expand by taking up water into their vacuoles.
The platypus is very difficult to spot even on the surface of a river. The platypus is very difficult to spot even on the surface of a river.
Fragrant water lily Fragrant water lily
Nomogram for determining Body Surface Area (BSA). Nomogram for determining Body Surface Area (BSA).
Water-Reactive Salts Water-Reactive Salts
A membrane permeable to water but not to glucose (C6H12O6) separates two aqueous solutions. ... A membrane permeable to water but not to glucose (C6H12O6) separates two aqueous solutions. ...
Video: Structures that affect circulation - heart and MABP

For a complete list of videos, visit our video library