How are whitecaps different from swells

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Answer 1

Answer: Swells happen in deeper water whitecaps happen in shallow water.'

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What determines the life cycle of a star

Answers

Hi There!

What determines the life cycle of a star?

A star's life cycle is determined by its mass! :)

A star's life cycle is determined by its mass. The larger its mass, the shorter its life cycle. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born

32:53A chemist is studying an unknown substance. He can break it into its elemental components only by using chemical means.
Based on this observation, how should the unknown substance be classified?
impure substance
solution
mixture
O pure substance
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1:06 PM
10/20/2019
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Bi

Answers

Answer:

A solution

Explanation:

Mainly because a solution is a mixture of chemically bonded elements.

Explain whether nitrogen atoms will form bonds with other atoms

Answers

Nitrogen can also bond with otherthree atoms because of its outer shell (valence shell) that has three electrons.This is the reason why organic molecules can be so large because of thisbonding. Suppose you have a compound of NH3. You know that hydrogen can onlyshare 1 electron because 7 of its electrons are filled. Also, in nitrogen, it canonly share 3 electrons because 5 of it are already filled. That is why nitrogenneeds three hydrogen to form NH3.

A vase with a mass of 0.800 kilograms falls from a height of 0.750 meters to a position of 0.500 meters above the floor. Ignoring frictional effects, the kinetic energy at the 0.500 position is _____.

Answers

Answer:

The kinetic energy at the 0.500 position is 1.96 J.

Explanation:

Mass of the vase = 0.800 kg

Height from where vase fallen = 0.750 m

Potential energy of vase at 0.750 m:

$P.E=mgh=0.800 kg* 9.8 m/s^2 * 0.750 m=5.88 Joules$

Kinetic energy of the vase at the point just before it was about to fell:

$K.E=0 J$ (absence of motion)

P.E + K.E = 5.88 J + 0 J = 5.88 Joules

Potential energy of vase at 0.500 m:P.E'

$P.E=mgh=0.800 kg* 9.8 m/s^2 * 0.500 m=3.92 Joules$

Kinetic energy of the vase at the point 0.500 m above the floor: K.E'

As we know, that sum of P.E and K.E remains constant.;

P.E' + K.E' = 3.92 J + K.E' = 5.88 J

K.E' = 5.88 J - 3.92 J = 1.96 J

The kinetic energy at the 0.500 position is 1.96 J.

Answer: The kinetic energy of vase at 0.500 m position is 1.96 J

Explanation:

Law of conservation of energy states that energy can neither be created nor be destroyed but it can only be transformed from one form to another form.

Here, the potential energy of the vase is getting converted into kinetic energy of the vase

So, calculating the potential energy of vase, we use the equation:

P = mgh

where,

m = mass of vase = 0.800 kg

g = acceleration due to gravity = $9.8m/s^2$

h = height of vase = (0.750 - 0.500) m = 0.250 m

Putting values in above equation, we get:

$P=0.800kg* 9.8m/s^2* 0.250m\n\nP=1.96J$

At 0.500 m, the potential energy gets converted to kinetic energy.

Kinetic energy of the vase = 1.96 J

Hence, the kinetic energy of vase at 0.500 m position is 1.96 J

How would a sandblasted rock differ from a rock that hasn't been sandblasted?

Answers

A non-sandblasted rock could be rough or smooth depending on how it was formed.

A sandblasted rock should be much smoother, since the sand blasts away any rough edges. It will, however, be slightly smaller due to losing those edges.

A sandblasted rock differs from a non-sandblasted rock in various aspects, including a change in texture and color of the rock's surface.

Sandblasting is a process in which a high-pressure stream of sand or other abrasive material is used to remove material from the surface of an object.

The most noticeable difference between a sandblasted rock and one that hasn't been sandblasted is the texture of the surface. A sandblasted rock will typically have a rough, pitted surface, while an unsandblasted rock will have a smoother surface.

Sandblasting can also change the color of a rock. If the rock has a layer of surface material that is a different color than the underlying rock, sandblasting can remove the surface layer and expose the underlying rock.

Therefore, a sandblasted rock would differ from a rock that hasn't been sandblasted in several ways such as change in texture and color of a rock's surface, creating a rough, pitted texture and exposing the underlying rock.

Learn more about Sandblasting here:

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A 1,500-kg car is moving at a speed of 10 m/s. What is the car's kinetic energy?

Answers

Kinetic Energy of particle of mass, m moving with velocity, v is

K.E. = ½mv²

m= 1500 kg

v = 10 m/s

((1/2)*1500)* $10^(2)$

750*10=75000

KE=75 joules

How can you figure out kinetic energy?

According to classical physics, kinetic energy (KE) is determined by multiplying an object's mass by its velocity squared, or half of the mass (1/2*m). The kinetic energy of an object with a mass of 10 kilograms (m = 10 kg) travelling at a speed of 5 m/s (v = 5 m/s) is equal to 125 joules, or (1/2 * 10 kg) * 5 m/s2.

a vehicle with a mass of 1200 kg and a speed of 20 m/s. KE = ½mv 2

KE = ½ x 1200 x (400) = 240,000 J 2.

To learn more about kinetic energy refer to:

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Hello!

If The 1500 kg car will increase its velocity to 10 m/s. What Will be its kinetic energy ?

We have the following data:

m (mass) = 1500 kg

v (velocity) = 10 m/s

KE (kinetic Energy) = ? (in Joule)

Formula to calculate kinetic energy: