Planets may be forming from dust disks because these disks are filled with completely empty lanes.
We can arrive at this answer because:
The existence of empty lanes allows the dust disks to transform into many different materials, including new planets.In this case, there is a cooling of the dust disk, which cools more and more over time.This cooling causes all the particles in that disk to clot.Coagulation increases the density of the particles and if they are dense enough they can form escape accretions.Escape accretions allow for the formation of planetary embryos, which may form planets in the future.
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A large bottle contains a number of medicinal tablets is 0.5kg. Calculate the number of tablets in the bottle?
Answer:
the answer is 5k in the bottle have
A 2kg book is held against a vertical wall. The coefficient of friction is 0.45. What is the minimum force that must be applied on the book, perpendicular to the wall, to prevent the book from slipping down the wal
We have that for the Question "A 2kg book is held against a vertical wall. The coefficient of friction is 0.45. What is the minimum force that must be applied on the book, perpendicular to the wall, to prevent the book from slipping down the wal" it can be said that the minimum force that must be applied on the book is
F=44N
From the question we are told
A 2kg book is held against a vertical wall. The coefficient of friction is 0.45. What is the minimum force that must be applied on the book, perpendicular to the wall, to prevent the book from slipping down the wal
Generally the equation for the Force is mathematically given as
[tex]F=\frac{mg}{\mu}\\\\F=\frac{2*9.8}{0.45}\\\\[/tex]
F=44N
Therefore
the minimum force that must be applied on the book is
F=44N
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To make a solution for an experiment, Gunther needs to add 40 g of a solute to 100 g of water. When making the solution at room temperature, he could only add 34 grams before the solute settled out.
What could he do to dissolve the remaining 6 grams of the solute?
a) Put the solution in an ice bath, dissolve the solute, and let the solution return to room temperature.
b) Heat the solution, dissolve the solute, and let the solution cool verifying nothing settled out.
c) Add more water, boil the solution, and dissolve the solute until the some of the water evaporates.
d) Keep the solution at room temperature, add more water, and dissolve the excess solute.
Answer:
b.
Explanation:
b) Heat the solution, dissolve the solute, and let the solution cool verifying nothing settled out.
what is the force that every mass exerts on every other mass? Matter, Weight, Pull, or Gravity.
Answer:
Gravity is a force exerted by masses
Explanation:
The downward pull on the object is due to gravity. is the force that objects exert on each other because of their masses. You are familiar with the force of gravity between Earth and objects on Earth. Gravity is present not only between objects and Earth, however.
What do you think causes the rising and sinking of molten rock in the mantle?
Answer:
Heyyy hope this helps
Convection currents describe the rising, spread, and sinking of gas, liquid, or molten material caused by the application of heat.
what are the intermolecular forces present in water?
123456789 cari aja sendiri
Answer:
The main intermolecular forces present in water is hydrogen bond.
It is followed by,
Dipole-dipole attractions
Dipole-induced dipole attractions
London dispersion forces
The hydrogen bonds are the strongest force, but the other types of intermolecular attraction are still present.
A dog walks 100m at a bearing of 175 degrees. a) How far did it walk East?
1 kilometer
Explanation:
hope it helps
Answer:
275m
Explanation:
hope it helps
pls give me brainliest
What experiment determines the upper fixed point of a liquid in a glass thermometer
Explanation:
A flask is half filled with water and heated until the water starts boiling.A thermometer is clamped inside the flask without letting it be in contact with waterThe thermometer is left in the steam such that the bulb is heated by the steam at standard atmospheric pressure.As the bulb is heated, the mercury thread rises up and ehre it remains steady for sometime is marked with a light scratch as the upper fixed point(Add diagram )
the secondary atmosphere of the earth was composed mainly of
Which of the following is not a property of Newton’s Second Law?
a. The acceleration of the object is directly proportional to
the force acting on the object
b. The acceleration of the object is inversely proportional to
the mass of the object
c. The object moves in the same direction as the force acting
on the object.
d. There is no relationship between acceleration to force or
mass.
Answer:
La aceleración
del objeto
es directamente proporcional a la fuerza que actúa sobre el objeto
Explanation:
Ayuda porfavor :( doy corona
Answer:(:
Explanation:
1. 19685
2. 26400
3. 47244.1
4. 15.53428
5. 2.1336
6. 3.61111
7. 42240
8. 560
9. 24.384
10. 54
please help me with this
Answer:
the answer is UV Radiation
A murder has been committed and you are a juror at the trial. The prosecuting attorney has presented evidence that the victim put up a struggle and injured her assailant, drawing blood, prior to her demise. Blood typing was completed and the blood type matches the defendant's blood type. The prosecuting attorney states that this evidence is proof that the defendant is guilty of murder. As a juror, do you think the defendant is guilty of murder based on this evidence? Why or why not? If not, what other evidence do you think is needed?
The fact that the blood type matches that of the defendant is no proof that the defendant is guilty as charged.
There are about four blood types that people can have, these blood types are; A, B, AB and O. Everybody must posses one of these blood types. A person's blood type is determined through laboratory tests.
The prosecuting attorney was wrong in concluding that the defendant is guilty as charged only based on the blood type evidence. different people could have the same blood type. Only DNA analysis can conclusively prove that the defendant is actually guilty as charged.
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If the mass of an object is 176 and Net force is 50, what would be the Acceleration?
Answer:
0.28m/s²
Explanation:
Force = mass•acceleration
F = m•a
50 = 176•a Divide both sides by 176:
50/176 = a ≈ 0.28 m/s²
NEED HELP!!! IF YOU ANSWER ALL QUESTIONS I WILL GIVE YOU BRAINEST!!!!! 15 POINTS!!!!
1. Tracking your exercise can help you stick with an exercise routine.
A.
True
B.
False
2. Lola is trying to be healthier, so she has been doing a lot of weight lifting. She can tell that she is really starting to build more muscle. If she is working her muscles, does she need to be concerned about flexibility?
A.
No, any kind of muscle work gets the job done.
B.
Yes, it is best to do as many different kinds of exercise as possible.
C.
Yes, flexibility is a different and important way of working muscle.
D.
No, most people are naturally flexible without much additional work.
3. Many sports that do not explicitly depend on strength work weightlifting into their practices. Why is this a good idea?
A.
Weightlifting is a traditional form of exercise.
B.
Building muscle strength helps with all aspects of fitness.
C.
There are very few ways to build muscles other than weightlifting.
D.
Sports can change their rules and require more strength from athletes.
4. Marina comes from a family with a lot of heart disease. She knows that she will have to go out of her way to make sure that her heart stays strong and healthy. What would be the BEST exercise to achieve this goal?
A.
yoga
B.
bowling
C.
swimming
D.
weightlifting
PLEASE NO LINKS!!!
Answer:
1.A
2.C
3.B
4. i.dk about that one
Explanation:
1. It is true that Tracking your exercise can help you stick with an exercise routine.
2. Yes, it is best to do as many different kinds of exercise as possible.
3. Building muscle strength helps with all aspects of fitness
4. Yoga would be the best exercise to achieve this goal.
What is exercise?Exercise is any activity that utilizes the physical movements of the body that improves a people's health, endurance, and wellbeing while lowering their chance of contracting illnesses. It enables the person to keep their body weight in a healthy weight range.
The benefits of fitness fluctuate depending on the sort of dying a person experiences. Even if a muscle is stretched, excessive sitting can cause a number of illnesses, many of which are fatal. The individual should engage in mobility activities as well as exercising to improve their stamina.
Thus, exercise is very necessary for health.
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A 89 kg object is suspended from 2 cables, with an angle of 120 degrees between them. What is the
tension on each cable? (Assume each cable is at an equal angle above the horizontal) Answer in
Newtons.
→ The tension on the cable is 890 N.
The free body diagram is drawed below. Applying the second law of newton:
(you have to transpose the T forces to the 'y' axis). After that:
[tex]\Large \text {$2Tcos(60) = 89 \times 10$}[/tex]
89 x 10 is the Weight Gravitational force (Mass times gravity). Therefore:
[tex]\Large \text {$T = 890$ N}[/tex]
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why is the saturated lapse rate less than the dry adiabatic lapse rate?
Answer:
(Hope this helps can I pls have brainlist (crown)☺️)
Explanation:
Lifting a saturated package causes it to expand and cool, resulting in vapour condensation. Condensation will release latent heat, partially counteracting the cooling. As a result, a saturated parcel's adiabatic lapse rate is smaller than an unsaturated parcel's.
Because moist air ascending condenses off its water vapour, the moist adiabatic lapse rate is lower than the dry adiabatic lapse rate (once saturation is attained). The air is considered to be saturated when the dew point temperature and air temperature are identical.
how can you reduce the percentage uncertainty in measurements that you make?
Answer:
you can decrease the uncertainty by making the same measurement multiple times and taking the average.
Explanation:
A ball accelerates uniformly at +4.0 m/s2
If the ball was initially moving a +0.20 m/s and the average velocity was +4.2 m/s, then how long will it take it to reach the final velocity?
It will take 1 second to reach the final velocity
Acceleration of a body is the change in velocity of the body with respect to time. This is mathematically represented as;
[tex]a=\frac{v-u}{t}[/tex]
Given the following parameters
a = +4.0 m/s²
u = +0.20m/s
v = +4.2m/s
Substitute the given parameters into the formula to get the time "t"
[tex]4=\frac{4.2-0.2}{t}\\4t=4.2-0.2\\4t=4.0\\t=\frac{4}{4}\\t=1sec[/tex]
This shows that it will take 1 second to reach the final velocity
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A student drops a ball off the top of building and records that the ball takes 2.55s to reach the ground. Determine all unknowns and answer the following questions. Neglect drag.
The unknown variables in the model equation for ball's motion include vertical distance traveled by the ball which is 31.86 m and the final velocity of the ball which is 25 m/s.
The given parameter;
time of motion of the ball, t = 2.55 sThe equations that model the motion of the ball is given as follows;
[tex]h = v_0_y + \frac{1}{2} gt^2[/tex]
[tex]v_f = v_0_y + gt[/tex]
All the unknown variables in the equations include;
[tex]v_0_y[/tex] is the initial vertical velocity of the ball, = 0g is the acceleration due to gravity = 9.8 m/s²h is the vertical distance traveled by the ball = ?[tex]v_f[/tex] is the final velocity of the ball = ?The vertical distance traveled by the ball is calculated as follows;
[tex]h = \frac{1}{2} gt^2\\\\h = 0.5 \times 9.8 \times 2.55^2\\\\h = 31.86 \ m[/tex]
The final velocity of the ball is calculated as follows;
[tex]v_f = 0 + 9.8(2.55)\\\\v_f = 25 \ m/s[/tex]
Thus, the unknown variables in the model equation for ball's motion include vertical distance traveled by the ball which is 31.86 m and the final velocity of the ball which is 25 m/s.
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A plant uses carbon dioxide and water to form food and oxygen. Why is this a chemical change?
Answer:
because when the plant inhales c02 it exhales oxgen
Explanation:
Answer:
The properties of carbon dioxide and oxygen are different.
Explanation:
A chemical change is defined as something that changes the substance of something (such as the creation of water from hydrogen and water), and can be figured out if chemical or physical based on different changes and properties. Your answer will be The properties of carbon dioxide and oxygen are different because these are two different elements (compounds in case of CO2) that combine to form a different substance, thus changing the identity of the substance.
Photosynthesis is a chemical reaction that occurs in plants by using radiant energy from sunlight. In this chemical reaction, carbon dioxide from the atmosphere and water from the soil are combined to produce sugar (glucose) that contains stored chemical energy.
A golf ball is launched horizontally at a speed of 11 meters per second and a high of 6.4 m above the ground. How long will it take for the golf ball to reach the ground?
The answer is A.
t = ( 2h / g )^1/2 = ( 2 x 6.4 / 9.8 )^1/2 = 1.14s
what happens to kinetic energy as speed doubles and mass doubles
Answer:
If you double the mass of an object, you double the kinetic energy. If you double the speed of an object, the kinetic energy increases by four times. Kinetic energy can be passed from one object to another in the form of a collision....What happen to the kinetic energy of its velocity become double ? The energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed is called its kinetic energy. Hence, when velocity is doubled, kinetic energy becomes 4 times.
Explanation:
Answer: It increases by four times
Explanation: If you double the mass of an object, you double the kinetic energy. If you double the speed of an object, the kinetic energy increases by four times. Kinetic energy can be passed from one object to another in the form of a collision.
the chemical compositions of jupiter and saturn are most similar to those of:
draw the well labelled diagram of thermo flask.
Answer:
Here the answer is attached
Explanation:
What did Dr Allan McInnes say was required in order to launch a satellite into space, at the necessary altitude and speed? What is required and why?
Help if u understand for a b c
Golf cart is moving 8 metre in 1 second
so, in 10 seconds it moves 8 × 10 = 80 m
a) velocity = 80/10 = 8 m/s
b) acceleration = v - u / t
= 8 - 0 / 10
= 0.8 m/s²
c) the displacement of the graph is increasing
I hope this answer is correct and helpful to you
Calculating Height
A ski lift is used to transport people from the base of a hill to the top. If the lift leaves the
base at a velocity of 15.5 m/s and arrives at the top with a final velocity of 0 m/s, what is the height of the hill? Round the answer to the nearest tenth.
[tex]\boxed{\sf v^2-u^2=2gh}[/tex]
[tex]\\ \sf\longmapsto h=\dfrac{v^2-u^2}{2g}[/tex]
[tex]\\ \sf\longmapsto h=\dfrac{0^2-15.5^2}{2(10)}[/tex]
[tex]\\ \sf\longmapsto h=\dfrac{240.25}{20}[/tex]
[tex]\\ \sf\longmapsto h=12.012m[/tex]
Mass can be expressed in
Answer:
mass can be expressed in newtons
quỹ đạo chuyển động của vật là đường thẳng?
Explanation:
what is your language i don't no