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

Author Question: Suppose you watch a leaf bobbing up and down as ripples pass it by in a pond. You notice that it ... (Read 26 times)

jilianpiloj

  • Hero Member
  • *****
  • Posts: 521
on: Jul 27, 2018
Suppose you watch a leaf bobbing up and down as ripples pass it by in a pond. You notice that it does two full up and down bobs each second. Which statement is true of the ripples on the pond?
 
  A) They have a wavelength of two cycles per second.
  B) They have a frequency of 4 hertz.
  C) We can calculate the wavelength of the ripples from their frequency.
  D) They have a frequency of 2 hertz.

Question 2

Every second, the Sun converts about 600 million tons of hydrogen into 596 million tons of helium. The remaining 4 million tons of mass is ________.
 
  A) converted to an amount of energy equal to 4 million tons times the speed of light squared
  B) reabsorbed as molecular hydrogen
  C) ejected into space in a solar wind
  D) ejected into space by solar flares


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

djpooyouma

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

A


jilianpiloj

  • Hero Member
  • *****
  • Posts: 521
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


djpooyouma

  • Sr. Member
  • ****
  • Posts: 325
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

A fossil leaf in low-grade coal A fossil leaf in low-grade coal
Watch Watch
Some scholars regard Walt Whitman as a poet of nature, and others, a poet of the body—a reference to Some scholars regard Walt Whitman as a poet of nature, and others, a poet of the body—a reference to
Bones do not allow the X-ray beam to pass through them, resulting in an image of the bones on the ... Bones do not allow the X-ray beam to pass through them, resulting in an image of the bones on the ...
Cortical EEG recorded during epileptic attacks. Notice that each trace is characterized by epileptic ... Cortical EEG recorded during epileptic attacks. Notice that each trace is characterized by epileptic ...
Change in air temperature at various air flow rates for a 4 pass operation Change in air temperature at various air flow rates for a 4 pass operation
Video: Cardiac Cycle (Part 4 of 4)

For a complete list of videos, visit our video library