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
hram777 [196]
3 years ago
9

Which statement is true?

Physics
1 answer:
Maurinko [17]3 years ago
8 0
The correct answer is<span> B.The speed of sound in air is directly proportional to the temperature of the air.

When the temperature increases so does the speed of sound. Sound is faster by </span>0.60 m/s for every higher degree in air temperature because the air density is reduced and the sound can travel faster.
You might be interested in
Difference between diurnal and annual motion in two points​
Valentin [98]

Answer:

Explanation below:

Explanation:

Annual motion describes the changes in motion of the earth around the sun. Diurnal motion can be better understood as the change in motion caused by Earths rotation at the poles.

This might not be the answer you were looking for, your question is very vague.

5 0
3 years ago
Why must humans limit their exposure to X-rays and gamma rays?
serious [3.7K]
The US and governmental protection agency sets limit your exposure to x-rays and gamma rays in part because they recognized that this form of releasing can cause cancer for more information on the classification system is used by these agencies seen on and probably human characters
4 0
3 years ago
Read 2 more answers
How fast does light year travel
KIM [24]
"Light year" is a distance, not a speed. It's the distance light travels in one year, at the speed of 299,792,458 meters per second.
5 0
3 years ago
Read 2 more answers
Two billiard balls of equal mass are on a level, frictionless surface. The first ball is moving and collides with the second bal
DanielleElmas [232]
B. One-half of its original speed
8 0
4 years ago
How is the bike in the picture a system and how is the Earth a system?
JulijaS [17]

Answer:

The earth is a vast, complex system powered by two sources of energy: an internal source (the decay of radioactive elements in the geosphere, which generates geothermal heat) and an external source (the solar radiation received from the Sun); the vast majority of the energy in the earth system comes from the Sun.

Explanation:

becuse

4 0
3 years ago
Other questions:
  • an object is acted upon by a force of 23 newton’s to the right and a force of 13 newton’s to the left. what is the magnitude and
    7·1 answer
  • Physics 1315, what is faster speed; red light or gamma rays?
    5·1 answer
  • What would be the atomic number of an atom that is composed of 15 protons and 18 neutron
    15·1 answer
  • Help needed.
    8·1 answer
  • An object is traveling 15 m/s East and accelerates at a rate of 2.5 m/s. How long was in motion?
    12·1 answer
  • How can humans use less of wind energy?
    12·1 answer
  • What is the downward pull on an object due to gravity?
    6·1 answer
  • HELP PLS<br> In the context of climate change, is “positive feedback” a good thing?
    7·1 answer
  • Please urgent science question explaining needed
    11·2 answers
  • How many type of linear expansion physic
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!