what do we mean by accretion in the context of planet formation?

Answers

Answer 1
the growth of plantesimals from smaller solid particles that collided and stuck together

Related Questions

. A car starts to move from rest. If its velocity becomes 90km/hr after 3s, calculate its acceleration​

Answers

Answer:

32.5/s squared

Explanation:

how to measure the density of air

Answers

The easiest way to calculate the density of dry air is by applying the ideal gas law. The ideal gas law expresses density as a function of temperature and pressure. Also, just like all gas laws, it is an estimate.

why was the big bang orange?

Answers

Answer:

Today, Hublot continues to innovate with this extraordinary material by reinterpreting the Big Bang Sapphire Tourbillon in an entirely new orange shade – a world-first for a through-tinted sapphire – achieved thanks to the incorporation of titanium and chromium in a skillful manufacturing process.

Explanation:

Hope this helps My Dude.


Which statement about a Ferris wheel is true?
a The input force is applied to the axle.
b The input force is less than the output force.
с The output distance is shorter than the input
distance.

Answers

Answer:the imput force is applied to the axle

Explanation:

thank you for helppp

Answers

Answer:

the moon is closer to the earth than sun

have a beautiful day

Explain how energy is transferred in an impact situation such as a car crash.


I PROMISE TO MARK YOU BRAINLIEST I JUST NEED A THOROUGH ANSWER!!
THANKS IN ADVANCE BESTIES

Answers

During a car crash, energy is transferred from the vehicle to whatever it hits, be it another vehicle or a stationary object. ... The object that was struck will either absorb the energy thrust upon it or possibly transfer that energy back to the vehicle that struck it.

I HOPE THIS HELPSS???
Mark me brainliest

9. What is NOT true about the Body Composition Assessment?
It can be measured using skin calipers, a water test, and body composition scales.
OBMI is an indirect body composition measuring method using your weight and height.
ОО
Your weight alone can determine the percentages of your body's composition.
OBMI can be a reliable indicator of body composition.

Answers

Answer: Your weight alone can determine the percentages of your body's composition

Explanation:

C. Your weight alone can determine the percentages of your body's composition.

What is Body Composition Assessment?

Body composition analysis is the assessment of the proportion of fat to fat-free mass in your body.

Performing Body Composition Assessment will tell you your own body's unique makeup and help you identify areas to work on to improve your overall health and wellness.

Thus, the statement that is NOT true about the Body Composition Assessment is your weight alone can determine the percentages of your body's composition.

Learn more about body composition here: https://brainly.com/question/7285113

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Scott travels north 2 miles and then goes west 3 miles before coming

straight back south 3 miles. What is the distance traveled and his

displacement??

A)8 miles, 8 mile

B)8 miles, 3.2 miles

C)8 miles, 4 miles

D)8 miles, 2 miles

Answers

I think it’s A because he traveled a total of 8 miles away and in conclusion was displaced from his beginning location by 8 miles

An elevator accelerates upward at 1.2 m/s 2 . the acceleration of gravity is 9.8 m/s 2 . what is the upward force exerted by the floor of the elevator on a(n) 62 kg passenger? answer in units of n.

Answers

Answer:

Explanation:

Fr= Fn-P

ma=Fn-mg

Fn= m(a+g)

Fn=62(1.2+9.8)

Fn= 682N

Blue bumper car, traveling east with a force of 100 N, runs into a yellow bumper car traveling west with a force of 300 N. Because the net force will be -200 N. one of the cars will be pushed backward. Which one?

Answers

Answer:

the blue bumper car

Explanation:

because the yellow bumper car is coming in with much more force

and according to Newton, actions and reactions are equal and opposite, so the yellow bumper car will five out 300N while the blue car will give out only 100N

then it almost because a fight between 300N vs 100N

and obviously, the 300N will win and the 100N will be pushed back

A mixture
a. Can always be separated using filtration
b. Contains substances that are not mixed in a specific ratio
c. Is made when two or more elements chemically combine with each other
d. All of the above

Answers

Answer:

B. contains substance s that are not mixed in a specific ratio

Explanation:

the proportion of constituents in a mixture can vary

Bonus points for helpers

If a 70 kg. skater acted upon by an unbalanced force of 161 N [West], what is
its acceleration?

Answers

According to Newtonʼs Second Law of Motion:

F net = m  x  a

or

a = F net / m

Acceleration = net Force/ Mass = 161 / 70 = 2.3 m/s^2  [W]

If a 70 kg skater is acted upon by an unbalanced force of 161 N [West], his acceleration would be 2.30  m/s² towards the west

What is Newton's second law?

Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum.

The mathematical expression for Newton's second law is as follows

F = m*a

where F represents the force applied

m is the mass of the object

a is the acceleration of the object

As given in the problem If a 70 kg. skater acted upon by an unbalanced force of 161 N

F =ma

By substituting the values of the force and the mass as 161 N and 70 kg respectively

161 N = 70×a

a= 2.30 m/s²

Thus, If a 70 kg skater is acted upon by an unbalanced force of 161 N, his acceleration would be 2.30  m/s² towards the west

Learn more about Newton's second law, here

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How much work is required to lift a 21 N rock 7 m above the ground?

Answers

Answer:

Explanation:

w=-ΔU=-HF=-21×7=-147J

Think about the reasons behind the cost of the Birkin bag and explain why it costs $60,000 in your own words. Do you think that this is a good marketing strategy? Why? Can you think of any other products (clothes / elctronics / anything) that use the same strategy? Does it work?

Answers

Answer:

In terms of both price and availability, the Birkin bag is as elusive as it is exclusive. For more than two decades, the bag has been the most sought item in the handbag industry. For such a modest bag, that's a lot of staying power (in looks alone, the design itself takes some 18 hours and is done by a single craftsman).

Of course, it's likely that the bag's rarity is what keeps it at the top of every want list. It is difficult, for example, to stroll into a Hermès store and buy a bag –– even if you could afford to pay the minimum price of $10,000. No, you have to be on an elite list to receive a Birkin.

Explanation:

There are alot more things like the Birkin Bag that use the same marketing skills and it works for alot of companies.

Which will most likely be a consequence as fossil fuel reserves are depleted?

Answers

It honestly depends. Fossil fuels are non-renewable so if reserves are depleting there is a threat of them running out and/or more pollution.

Please help I'll mark brainliest

Answers

At the top of the mountain:)

Two identical automobiles are

approaching a yellow light. The first

automobile has a speed 30 mi/hr, and

the second automobile has a speed

42 mi/hr. Compared to the 30 mi/hr

automobile, the stopping distance of

the 42 mi/hr automobile will be

a) the same

c) double

b) 1.4 times longer

d) 4 times longer

Answers

Answer:

i think that it is b but I could be wrong

PLEASE HELP
which of the following graphs show the direct relationship between mass and force?

Answers

Answer:

Option 2!

Explanation:

According to F = ma, force increases as mass increases. (Assuming acceleration is constant.)

state the general relationship between temperature and water depth.

Answers

Answer:

Temperature decreases as depth increases (generally)

Explanation:

In general, sunlight will heat the upper level of water.  As you go deeper into the water, the sunlight cannot reach as easily so the temperature is lower.

There are exceptions considering underwater currents like the Gulf Stream or volcanic vents.

Question 3
How many miles was the Trail of Tears?
O 1,000
1,200
O 1,500
3,000

Answers

On Wikipedia it says 1,000
So there u go

Answer:

I think it is 1,200.

Explanation:

In the research I found, It says in a paragraph it is 1,200. I don't know if this is wrong or correct. I hope this helps!!!

an experimental plane, currently overhead, is flying at 120 mph at an altitude of 32 thousand feet. how fast is the plane’s distance from you increasing at the moment when the plane is flying over a point on the ground 24 thousand feet from you?

Answers

This question involves the concepts of Pythagora's Theorem and derivatives.

The plane's distance is increasing at a rate of "105.6 ft/" (OR) "72 mph".

First, we will write an expression for the distance between the person and the plane in terms of time. For that purpose, we will use Pythagora's Theorem. Here, the altitude will act as perpendicular, the horizontal distance on the ground will be the base, and the straight line distance between the plane and the person will be the hypotenuse.

[tex]Hyp^2 = Base^2+Perp^2\\s^2 = (vt)^2+(32000\ ft)^2\\s=\sqrt{(vt)^2+(32000)^2}[/tex]

where,

s = plane's distance from the person

v = horizontal speedof the plane = [tex](120\ mph)(\frac{1.47\ ft/s}{1\ mph})[/tex] = 176 ft/s

t = time

Therefore,

[tex]s=\sqrt{(176t)^2+(32000)^2}[/tex]

Taking the derivative with respect to time:

[tex]\\\\\frac{ds}{dt} = \frac{1}{2}\frac{(2t)(176)^2}{\sqrt{(176t)^2+(32000)^2}}\\\\\frac{ds}{dt} = \frac{61952\ t}{2s}[/tex]

where,

[tex]\frac{ds}{dt}[/tex] = rate at which plane's distance is increasing from the person = ?

s = distance = [tex]\sqrt{(24000\ ft)^2+(32000\ ft)^2} = 40000\ ft[/tex]

t = time = [tex]\frac{horizontal\ distance}{v} = \frac{24000\ ft}{176\ ft/s} = 136.36\ s[/tex]

Substituting these values in the equation, we get:

[tex]\frac{ds}{dt}=\frac{(61952)(136.36)}{(2)(40000)}[/tex]

[tex]\frac{ds}{dt}=105.6\ ft/s = 72\ mph[/tex]

Learn more about Pythagora's Theorem here:

https://brainly.com/question/343682?referrer=searchResults

The attahced picture illustrates Pythagora's Theorem.

Placed on the number line, is 1/7 closer to 0, 1/2 or 1?

Answers

Answer:

0   as 1/7 = 0.142857143

1/7 = 5/35

We can get this number by 1/7 x 1000 = 1000 / 7

= 142.857143

Then move 3 decimal place.

someone help me please

Answers

Answer:

2g

Explanation:

Mass is force/area

16 N is the force because N is newtons and that measures force

8m/s^2 is the acceleration

They gave it to you right in front of you

A Yugo can accelerate from rest to a speed of 28 m/s in 20 s. What is the average acceleration of the car? What distance does it travel in this time

Answers

Answer:

Explanation:

a=28/20

a=1.4 m/s²

V²=v0²+2a.D

28²=0+2x1.4D

784 = 2.8D

D = 280 m

Question 5 (1 point) true or false: Balanced forces acting on an object result in constant velocity True False​

Answers

Answer:

false

Explanation:

By Newton's first law (An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force), neither speed nor direction change. Our force is balanced.

Balance forces could happen when the object is at rest but not all the time. A balance force is when a object is being push in opposite directions, which would cause the object to stay still or move at a constant speed. Which would mean that balance force could take place when a object is moving or when a object is at rest.

Answer:

I believe its true:') sorry if im wrong..

PLEASE HELP MEH
Which of the following are molecules? (Select all that apply.)
K
Mg
H2
MgCl2

Answers

Answer:

K and H2

Explanation:

H2 is correct...

Thank you have a magnificent day ahead.

Henry ran a 100 m race. Use the graph to answer the following:
a. How long did it take for Henry to run 100 m?
b. What is Henry's average speed over the race?

Answers

Using the graph, which describes how Henry ran the 100m race;

a) It takes Henry 20seconds to run 100m

b) Henry's average speed over the race is; 5m/s.

According to the linear graph which describes the distance ran by Henry during the 100m race as a function of time.

a) Since the distance from start ran by Henry is plotted on the vertical axis, and the time is plotted on the horizontal axis;

To determine how long it took Henry to run 100m; The point corresponding to 100m is traced downward from the line of the graph and we find out that;

It takes Henry 20seconds to run 100m

b) Henry's average speed over the race is simply;

The slope of the distance-time graph.

Therefore,

Average speed = (100-0)/(20-0)

Average speed = 100/20

Average speed = 5m/s.

Therefore, Henry's average speed over the race is; 5m/s.

Read more:

https://brainly.com/question/22125199

A 3,650.0N car is pushed on the side of the road with a constant motion of 4 m/s. What is the mass of the car?

Answers

The mass of ur question is 4

A space ship cruises at a constant velocity of 33,155 km/hr for 22.5 minutes. How far does the ship travel in that
time? State your result in kilometers.

Answers

Answer:

12,433 km

Explanation:

I got this by doing 33,155 and dividing it by 60, which is km per minute, then I did 552.583333, which is km per minute and multiplied it by 22.5, which equals 12,433 km

To check this you can do 12,433 times 2, which is 45 minutes and then use 552.583333, which is per minute, and multiplying by 15, which is 15 minutes, then add

(12,433 x 2 = 24,866) add 8288.75 [15 minutes] and that gets you 33,155

(Brainiest and thanks are very much appreciated for the effort put in)

which plane divides the body into right and left halves

Answers

Median plane - Sagittal plane through the midline of the body; divides the body or any of its parts into right and left halves.
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