1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ad libitum [116K]
2 years ago
12

Which type of surface is best for absorbing sound waves?

Physics
2 answers:
sergiy2304 [10]2 years ago
6 0

I think it's B (foam) it may not be though

weeeeeb [17]2 years ago
4 0
I believe it is D) foam
You might be interested in
Part 4: Place the following in order
erma4kov [3.2K]
Everybody has to come together as a unity
7 0
2 years ago
How is ultraviolet light and infrared light alike? How are they different?
swat32
Alike - both part of the light spectrum, cannot be seen with the naked eye

Different - IR is less energetic than UV, UV has a shorter wavelength than IR

IR - infrared
UV - ultraviolet
5 0
3 years ago
4. A student wants to determine what type of cereal his classmates like best. He buys 3 boxes of his most favorite puffed rice c
Ann [662]
D
The student's conclusion shows experimental bias
Just because most of nis classmates like puffed cereal ,it is inappropriate to conclude puffed cereal is better than oats cereal
4 0
3 years ago
7. An astronaut weighs 900N on earth. On the moon, he weighs 150N. Calculate the
noname [10]

Answer:

Moons’ gravitational strength = weight of astronaut on the moon / mass of astronaut.

= 150 / 90 = 1.67 Nkg-1

Explanation:

7 0
3 years ago
Answer either one or both questions! Must explain and show work to receive brainliest!
MariettaO [177]
<span>F x L = W x X whereW=weight is total load = 80, L is length from fulcrum which is the unknown and what we are solving for. x= length we know. and F equals 50 force we know. So (W*X)/F=LL equals 64</span>
3 0
3 years ago
Other questions:
  • Points A and B lie within a region of space where there is a uniform electric field that has no x- or z-component; only the y-co
    10·1 answer
  • Identify a wave that speeds up when it passes from air to water as well as one that slows down
    7·1 answer
  • Find an equation for the plane that passes through the point [1, 1, 8] and that has [-1, -6, 3] as normal vector.
    15·1 answer
  • Two kittens are sleeping in a sunny spot. they are relying mainly on what kind of heat transfer?
    5·2 answers
  • A mechanic uses a hydraulic car jack to lift the front end of a car to change the oil. The jack used exerts 8,915 N of force fro
    6·1 answer
  • Please help I will give you brainlest <br> Please make sure that's this answer is correct
    7·2 answers
  • What is newtons first law? what is the other name for it?
    6·1 answer
  • A piece of fruit is falling from a tree.
    13·1 answer
  • a -0.06 C charge is placed in a uniform electric field with a strength of 200 N/C. what is the magnitude and direction of the fo
    11·1 answer
  • Quations (3.4) and (3.5) are equivalent expressions for Lagrange's equations.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!