3 years ago

Which is heavier—warm air or cold air?

1 answer:

5 0

Cold air. This is because there is more water in hot air due to its capacity for humidity and the water particles are actually less massive than the particles in cold air.

You might be interested in

Match the situation with the energy type.

anastassius [24]

Answer:

snowplow would be m, sun r , hb n , FB e ,and tiaa c

8 0

2 years ago

Why is accelration negative when velocity is positive.

Sindrei [870]

Answer:

An object which moves in the positive direction has a positive velocity. If the object is slowing down then its acceleration vector is directed in the opposite direction as its motion (in this case, a negative acceleration).

Explanation:

8 0

2 years ago

What is the difference between a 3 v and 12 v battery

Lorico [155]

V=IR
The more V, the more I

6 0

3 years ago

While bats emit a wide variety of sounds, one type emits pulses of sound at a frequency between 39 kHz and 78 kHz. What is the r

sdas [7]

Answer:

The range of wavelengths of the sound is 7692.30 m and 3846.15 m