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3 years ago

Identify two factors that determine the state of matter

2 answers:

6 0

the kinetic energies of the particles (atoms,molecule,or ions)that make up up a substance. kinetic energy tends to keep the particles moving apart.

the attractive inter molecular forces between particles that tends to draw the particles together.

vova2212 [387]3 years ago

4 0

Two factors determine whether a substance is a solid, a liquid, or a gas: The kinetic energies of the particles (atoms, molecules, or ions) that make up a substance. Kinetic energy tends to keep the particles moving apart. The attractive intermolecular forces between particles that tend to draw the particles together.

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Answer:

Explanation:

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3 years ago

1. What is the speed of a wave with wavelength 2.5m and frequency 20Hz?

Korvikt [17]

Answer:

50m/s

Explanation:

v = f*w

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3 years ago

Read 2 more answers

Is there ever a situation where an ant will have more momentum than an elephant? Explain why or why not?

Mariulka [41]

Answer:

Yes

Explanation:

The momentum of an object is given by:

$p=mv$

where

m is the mass of the object

v is the velocity of the object

We know that an elephant has a mass much larger than the mass of an ant. However, we see that the momentum of the animal also depends on its velocity.

If the elephant is at rest, its velocity is zero:

v = 0

so its momentum is also zero:

p = 0

And therefore, an ant which is moving (so, non-zero speed) can have more momentum than an elephant, if the elephant is at rest.

6 0

3 years ago

Please Help with this

Tasya [4]

Answer:

N = 3600 N

Explanation:

centripetal acceleration requirement is

ac = v²/r = 20²/50 = 8 m/s²

As the only available acceleration is gravity, centripetal acceleration must come from that,

This makes the "weight" that the road senses and must counteract

N = m(g - ac)

N = 2000(9.8 - 8)

N = 3600 N

3 0

3 years ago