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
Ira Lisetskai [31]
3 years ago
9

Which statements correctly describe the properties of air? Select three options. Air has mass but no weight. Air pressure is cre

ated by the weight of the atmosphere pushing on Earth’s surface. Pressure is a measure of how tightly molecules are packed. Denser air is heavier than less dense air. Air is less dense at higher altitudes.
Physics
2 answers:
tino4ka555 [31]3 years ago
8 0

Answer:

Air pressure is created by the weight of the atmosphere pushing on Earth’s surface.

Denser air is heavier than less dense air.

Air is less dense at higher altitudes.

Explanation:

jolli1 [7]3 years ago
4 0

Answer:

2,4,5

Air pressure is created by the weight of the atmosphere pushing on Earth’s surface.

Denser air is heavier than less dense air.

Air is less dense at higher altitudes.

You might be interested in
Which electromagnetic waves has the highest energy?How do you know?
aliya0001 [1]

Answer:

Gamma Rays

Explanation:

Gamma rays have the highest energies the shortest wavelengths and the highest frequencies. They have the highest energies because they have the highest frequencies, the higher the frequency the more energy. ( I think, maybe double check with other answers )

Good Luck :)

5 0
3 years ago
During the experiment it is determined that, as the cart rolls between two points on the track, the work done on the cart by the
natita [175]

Answer:

Explanation:

If the work done on the cart is NET work

Then the work will result in an increase in kinetic energy

KE₀ + W = KE₁

½mv₀² + W = ½mv₁²

½(0.80)(0.61²) + 0.91 = ½(0.80)v₁²

v₁ = 1.626991...

v₁ = 1.6 m/s

4 0
2 years ago
I WILL MARK YOU THE BRAINLIEST NO LINKS
statuscvo [17]

Answer:

it becomes a gas

Explanation:

the matter expands, turning into steam, a gas.

4 0
3 years ago
You are standing on a moving bus, facing forward, and you suddenly fall forward. You can imply form this that the bus’s
aleksley [76]
I think has stopped maybe
8 0
3 years ago
If you drop a silver dollar off a building and it hits the ground in 10 seconds, how fast was the coin going just before?
Ksju [112]
V = u + at 
<span>= 0 + (9.81)(10) </span>
<span>= 98.1m/s </span>

<span>Ignoring air resistance.</span>
3 0
3 years ago
Other questions:
  • A softball is fouled off with a vertical velocity of 20 m/s and a horizontal velocity of 15 m/s. what is the resultant velocity
    5·1 answer
  • In 2009, usain bolt of jamaica set a world record of 9.58 s in the 100-m dash. what was his average speed? give your answer in k
    15·1 answer
  • There is a girl pushing on a large stone sphere. The sphere has a mass of 8200 kgand a radius of 90 cm and floats with nearly ze
    15·1 answer
  • How much force does it take to accelerate a 2,000-kg car at 4 m/s
    6·1 answer
  • Car a has a mass of 5 kg and 10 m/s .cart B has a mass of 10 kg and 5 m/s .which of the following statements best compares the i
    13·1 answer
  • (HELP QUICK!!) Air pressure is a result of _____
    6·2 answers
  • Explain briefly where the energy come from when a liquid Rises against Gravity in a capillary tube​
    9·1 answer
  • 1When you look through a magnifying glass, the objects you are looking at
    14·1 answer
  • A 1.0kg cart moving right at 5.0 m/s on a frictionless track collides and
    9·1 answer
  • American space pilots were called astronauts. What were soviet space pilots called?.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!