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2 years ago

How does air resistance affect the velocity of a falling object ?

1 answer:

4 0

Velocity the speed of something in a given direction.
Air resistance is like friction in air, it slows objects down.
When an object is moving faster, which would mean higher velocity, there is more air resistance trying to slow it down and keeping it from moving.

So in short, the more velocity there is, the greater the air resistance. And no matter what the velocity is, air resistance slows falling objects down.

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g 8. A hydrogen atom is initially a rest and in the ground state. A proton with kinetic energy 1000 eV scatters off the atom. In

aleksley [76]

Answer:

Explanation:

Ionization energy of hydrogen atom is 13.6 eV . This energy will be provided by energetic proton , the kinetic energy of which is 1000 eV. The kinetic energy of ionized electron is 15.2 eV . Kinetic energy of proton produced from from the ionization of hydrogen or the nucleus of the hydrogen atom is 4.3 eV . All these energy must have come from kinetic energy of initial proton.

So kinetic energy of projectile proton after collision

= 1000 - ( 13.6 + 15.2 + 4.3 ) eV.

= 966.9 eV .

8 0

2 years ago

Which statement best explains why Earth's outer core is in liquid form?

erik [133]

Answer:

My answer im guessing is "d"

Explanation:

5 0

3 years ago

Read 2 more answers

What Can bond together to form an ionic bond?

Kazeer [188]

Answer:

An ionic bond forms between two ions of opposite charges. In ionic bonding, electrons transfer from one atom to another. The elements take on either a negative or positive charge. Ions are another name for charged atoms. Some elements are electropositive, and some are electronegative.

Hope this helps!

5 0

2 years ago

A substance is melting, so it is transitioning from solid to liquid. What kind of change is this?

Nostrana [21]

Answer:

chemical or physical i dont know for sure i kniw i have learned this juat cant rember

8 0

3 years ago

Read 2 more answers

What would be the major product obtained from hydroboration–oxidation of the following alkenes?

zmey [24]

Answer:

a. 3-methylbutan-2-ol

b. 2-methylcyclohexan-1-ol

Explanation:

For this reaction, we must remember that the hydroboration is an "anti-Markovnikov" reaction. This means that the "OH" will be added at the least substituted carbon of the double bond.

In the case of 2-methyl-2-butene, the double bond is between carbons 2 and 3. Carbon 2 has two bonds with two methyls and carbon 3 is attached to 1 carbon. Therefore the "OH" will be added to carbon three producing 3-methylbutan-2-ol.

For 1-methylcyclohexene, the double bond is between carbons 1 and 2. Carbon 1 is attached to two carbons (carbons 6 and 7) and carbon 2 is attached to one carbon (carbon 3). Therefore the "OH" will be added to carbon 2 producing 2-methylcyclohexan-1-ol.

See figure 1

I hope it helps!

8 0

2 years ago