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
shepuryov [24]
3 years ago
14

Which two conditions must exist in order for radiation to occur

Physics
2 answers:
nignag [31]3 years ago
8 0
A temperature difference and the presence of electromagnetic waves
Bess [88]3 years ago
3 0

Answer:

D) a temperature difference and the presence of electromagnetic waves

Explanation:

Which two conditions must exist in order for radiation to occur?

the presence of a solid, liquid, or gas and a temperature difference

direct contact of molecules and the presence of a solid, liquid, or gas

the presence of electromagnetic waves and direct contact of molecules

a temperature difference and the presence of electromagnetic waves

You might be interested in
Which of the following requires constant agonist-antagonist muscle contraction
vodka [1.7K]

Answer: Dynamic balance

Explanation: Dynamic balance movements are movements in which constant agonist-antagonist muscle contractions occur in order to maintain a certain position or posture. ISSA pg 121

5 0
3 years ago
A 12 volt battery in a motor vehicle is capable of supplying the starter motor with 150 A. It is noticed that the terminal volta
qwelly [4]

Answer:0.0133 \Omega

Explanation:

Given

Voltage=12 V

Current(I)=150 A

V_{terminal}=10 V

r_{internal}=\frac{\Delta V}{I}

r_{internal}=\frac{12-10}{150}

r_{internal}=\frac{2}{150}=0.0133 \Omega

4 0
3 years ago
What is the function of polarized glasses?.
evablogger [386]
The polarized glasses contain a special filter that blocks the glares and the hazes while driving through the sun or looking at the water, which makes your eyes more comfortable and makes you see better.

Hope this Helps! :)
8 0
4 years ago
Which elements are not likely to be formed in the sun sometime during its life cycle?
Sladkaya [172]

Answer:

correct answer is iron

Explanation:

solution

as Iron is only formed in the cores of the star that is more massive than the sun because it takes very much energy  as gravitational force push inward on the star  

and the sun can form the helium and  carbon and the oxygen and also other elements  

but not the iron or any iron group element

so correct answer is iron

8 0
3 years ago
PLEASE HELLPPP ITS FIR A FINAL 3.Speed (v) abs wavelength ( λ ) and the frequency (f) of sound are related asRequired to answer.
Aliun [14]

Answer:

B. v = λ X f

<em><u>Hope this helps! </u></em>

8 0
3 years ago
Other questions:
  • A pipe is open at both ends. The pipe has resonant frequencies of 528 Hz and 660HZ (among others).
    13·1 answer
  • How would you locate an image formed by a convex lens?
    8·2 answers
  • A small glass bead has been charged to + 30 nc . part a what is the the acceleration of a proton that is 1.5 cm from the center
    10·1 answer
  • 7 km is equal to:<br><br> 0.7 m<br> 70 m<br> 700 m<br> 7,000 m
    5·2 answers
  • A mass of 4kg stretches a spring 40cm. Suppose the mass is displaced an additional 12cm in the positive (downward) direction and
    14·1 answer
  • True or false? All waves need a medium in order to travel
    13·2 answers
  • A physical pendulum consists of a meter stick that is pivoted at a small hole drilled through the stick a distance d from the 50
    11·1 answer
  • A race car accelerates uniformly from 18.5 m/s to 46.1 m/s in 2.47 seconds.
    12·1 answer
  • A person pushes horizontally on a heavy box and slides it across the level floor at constant velocity. The person pushes with a
    8·1 answer
  • Kinetic energy of 110 j and velocity of 70 m/s what is the mass
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!