× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
m
2
Home Q & A Board Science-Related Homework Help Physics Astronomy
New Topic  
megandunlap megandunlap
wrote...
Go to Answer
Posts: 509
Rep: 2 0
6 years ago
Total constructive interference occurs when two waves with similar frequency and wavelength
 
  A) are completely out of phase.
  B) are completely in phase.
  C) have 45 degrees phase difference.
  D) have 90 degrees phase difference.
  E) have a phase difference of -90 degrees.

Question 2

What is one advantage that primates have over other forms of life?
 
  A) the ability to run fast
  B) extra-large brains
  C) the opposable thumb
  D) the ability to walk upright

Question 3

Why does a lamp burn out quicker if it is turned on and off many times, rather than one that is left burning?
 
  What will be an ideal response?

Question 4

Electric field lines
 
  A) are closer together the stronger the field.
  B) start on negative charges and end on positive charges.
  C) were invented by Isaac Newton.
  D) are perpendicular to the lines of force.
  E) were discovered by Franklin.
Read 52 times
2 Replies
Replies
Answer verified by a subject expert
houghtk2houghtk2
wrote...
#1
Top Poster
Posts: 553
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

megandunlap Author
wrote...
#2
6 years ago
Now I'm convinced to ask more questions Slight Smile
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  550 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 200
  
 139
  
 1420
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 486
Previous poll results: What's your favorite funny biology word?