If an object is neutrally buoyant (does not sink or float) in fresh water, the same object placed into salt water would

Answers

Answer 1

If an object is neutrally buoyant (does not sink or float) in fresh water, the same object placed into salt water would float.

What is Buoyancy?

Buoyancy is the force through your fluids or total or submerged bodies. Also known as Archimedes' theorem. The fluid of the direction on the body produces a resultant force but with the direction of the weight, with the opposite direction, upwards.

In this case, we have salt water that is denser, allowing almost no objects to sink, so the buoyant force is greater that acts on the object.

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Related Questions

A car initially traveling at 15.0 m/s accelerates at a constant rate of 4.50 m/s2 over a distance of 45.0 m. how long does it take the car to cover this distance? (4 points)

Answers

A car initially traveling at 15.0 m/s accelerates at a constant rate of 4.50 m/s2 over a distance of 45.0 m, the time taken to cover this distance  is mathematically given as

t = 2.24 s

What is the time taken to cover this distance?

Generally, the equation for Kinematic relation is mathematically given as

S = ut + (1/2)at^2

Therefore

45 = 15t + 2.25 t^2

2.25 t^2 + 15 t -45 = 0

t = 2.24 s

In conclusion, the time is taken to cover this distance

t = 2.24 s

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What would be the effect of adding a proton to a nucleus?
A. It would increase the strong nuclear force and increase the
electrostatic force.
B. It would decrease the strong nuclear force and decrease the
electrostatic force.
C. It would increase the strong nuclear force and decrease the
electrostatic force.
D. It would decrease the strong nuclear force and increase the
electrostatic force.

Answers

Answer:

A

Explanation:

The electrostatic force and strong nuclear force are opposite forces. The electrostatic force causes the repulsion beteween the positively charged protons in the nucleus but the strong force keeps the nucleus glued together but overcoming the electrostatic force. They would both increase upon the addition of a proton or radioactivity will result.

What cloud extending to the gravitational limits of the solar system would comets come from?.

Answers

The Oort cloud extends to the gravitational limits of the solar system would comets come from.

What is oort cloud?

It is a hypothetical idea of a cloud of mostly frozen planetesimals that would orbit the Sun at distances between 2,000 and 200,000 AU.

The Oort cloud reaches the solar system's outer gravitational boundaries, where comets originate.

Hence cloud extending to the gravitational limits of the solar system will be oorto cloud.

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9. A body is a particular amount of matter. It can be a solid, liquid or gas. It can be
described as existing in
O A. size and shape.
O B. time and space.
C. motion and force.
O D. location and movement.
ou fill be highlighted on the review page)

Answers

Answer:

B. Time and Space

Explanation:

Matter is a pshyical or corporeal susbtance in general, whether solid, liquid, or gaseous especially as distinguised from incorpeal substance, as spirit or mind, or form qualities, actions, and the

Within this time-and-space boundary, all matter exists. All matter is made up of atoms. Because these atoms take up space in the universe, solids, liquids, and gases are recognized as existing and may be found in all three dimensions.

Time is a figurative term. Space has three dimensions but time only has one.

Answer:

time and space (A)

Explanation:

When something physically exists, it must exist in time and space. Matter/atoms are recognized as existing--which must be described by existence in time and space.

> Time and space exist as the same property (time cannot exist without space), and is called space-time

> Time is seen as relative {theory of special relativity} meaning that it changes based on your perspective and the space it exists in.

hope this helps!!

Please help me do that.​

Answers

Answer:

a) 22.2 N

Explanation:

To find load effort. Identify load, efficiency and velocity ratio (VR)

Here given:

Load = 100 NEfficiency = 75%VR (number of pulleys) = 6

Effort :

[tex]\rightarrow \sf \dfrac{MA}{VR} = \dfrac{Load \ \div \ efficiency }{VR} = \dfrac{100 \div 75 \% }{6} = 22.22 \ N[/tex]

Explain why it is more difficult to balance a nail on its tip than on its base.
note:please dont answer according to presuure concepts,answer according to equilibrium concepts.thanks.​

Answers

It is much easier to balance a thing that has a large base of support and a low center of gravity. The object won't topple over as a result of little center of gravity wobble because of the wide base and low center of gravity. Therefore, balancing a nail on its base as opposed to its tip would be simpler.

The average distance from Earth to the Moon is 384,000 km. How many days would it take, traveling at 800 km/h (the typical speed of a jet), to reach the Moon

Answers

Answer:

20 days, 480 hours

Which two statements are true for reversible reactions that reach dynamic equilibrium?

Answers

The correct statement  for reversible reactions that reach dynamic equilibrium is option C "the rates of the forward reaction is equal to the rate of backward reactions at equilibrium."

What is dynamic equilibrium?

The dynamic equilibrium is defined as a state of a particular system wherein the reversible reaction takes place and ceases modifying the ratio of reactants as well as products.

The chemical reaction is a method for creating novel chemicals with unique features.

The correct statement  for reversible reactions that reach dynamic equilibrium is option C "the rates of the forward reaction is equal to the rate of backward reactions at equilibrium."

Therefore, the correct answer will be an option (C).

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When the inferior angle of the scapula moves in the superior and lateral direction, the motion is called:

Answers

The motion of the inferior angle of the scapula in the superior and lateral direction is called upward rotation.

What are the possible motions of the scapula?

The scapula or the shoulder blade has about six different types of motion it undergoes.

The six ways of movement of the scapula are:

protraction,retraction,elevation,depression,upward rotation, anddownward rotation

When the inferior angle of the scapula moves in the superior and lateral direction, the motion is called upward rotation.

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A ball is thrown vertically upward with an initial speed of 50 m/s. if air resistance does affect motion, then what would be its speed upon returning to its starting point?

Answers

Answer:

your answer would 50 m/s I do believe

The correct answer for the speed of the ball upon resting to it's starting point is [tex]50[/tex] m/s.

Given:

Initial speed: [tex]u = 50[/tex] m/s

To calculate the speed upon resting position, Calculate the time requires to reach starting position:

Time required to reach starting point  = 2 * (Time require to reach the maximum height)

Time required to reach the maximum height:

[tex]v = u+(-a )t[/tex]

Final velocity([tex]v[/tex]) is  [tex]0[/tex] m/s.

Negative sign indicates negative acceleration:

[tex]t= \dfrac{50}{9.8}\\\\ = 5.10[/tex]seconds

Time for start point  = [tex]2 * 5.8[/tex]

[tex]=10.6[/tex] seconds

From equation of motion:

[tex]v= u+at[/tex]

[tex]= 50 -9.8* 10.2[/tex]

[tex]= -50.2[/tex] m/s

Negative sign indicates downward direction.

Speed when ball return is  is [tex]50[/tex] m/s.

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A.
emotional health : expressing feelings
B.
physical health : respecting others
C.
mental health : living in harmony with the environment
D.
social health : getting adequate sleep

Answers

answer is D social health

Please Answer this question! I would be very grateful!

Answers

Answer:

friction

Explanation:

i believe that is the answer

Answer:

Option C - Friction

Explanation:

Inertia would be an invalid option as it is not changing state.

Gravity would be invalid option as it will stay on the ground constantly.

Friction would be a valid option as the friction between the bottom part of the furniture and the floor are being rubbed together .

Air resistance is valid but will not be as strong as the friction

Therefore Option C - Friction will be the primary force that the person has to work against to keep this piece moving .  

Hope this helped and have a good day

which of the following best decribes ​

Answers

A b or c I love d n me l101

Five resistors each have resistance R. Three of the resistors are connected in series and this combination is then connected in parallel with the two other resistors which have been connected in series with each other. What is the equivalent resistance for this arrangement

Answers

Answer:

6/5  * R

Explanation:

The 3 in series sum to 3R for one branch of the parallel circuit

 the 2 in series sum to 2R  for the other side of the parallel circuit

now find the equivalent R of the parallel circuit with 3R and 2R

 here is one way

   Requiv = 1 / ( 1/(3R) + 1/(2R) ) =

                  1/ ( 5/(6R) ) =

                    6R/5  

the equiv resistance = 6/5  * R

Prakash kicks a ball of mass 500 g which moves with a velocity of 10 m/s. Passang kicks the same ball and it moves with a velocity of 20 m/s. Compare the kinetic energy acquired by the ball in the two cases. TL Thou Prakash kicks a ball of mass 500 g which moves with a velocity of 10 m / s . Passang kicks the same ball and it moves with a velocity of 20 m / s . Compare the kinetic energy acquired by the ball in the two cases . TL Thou​

Answers

Answer:

750

Explanation:

The kinetic formula is 1 over 2 *mass * velocity Square

What name describes an object that orbits a planet?

Answers

Answer:

It can be either a moon or a satellite

Explanation:

a moon is a piece of space debris that orbits a planetdue to the planets gravitational force. Inherently, satellite mimics a moon but it is used for collecting data and etc

a moon or satellite.

Two identical blocks are attached to the same massless rope, which is strung around two massless, frictionless pulleys. A massless scale is connected to the same rope and measures the tension in the rope. The two identical blocks are released from the rest. The experiment is then repeated with two new blocks, with masses m1 and m2. When they are released from rest, the system remains at rest, and the scale measures the same tension as in the previous experiment. Find m1 and m2 in terms of m.

Answers

Answer:

The value of mass 1, m1= 6/5m

The value of mass 2, m2= 3/5m

Explanation:

case 1:

here tension and the acceleration will be:

for m1;

mg-T=ma2mg - 2T = 2ma  .....1.

for m2:

2T-mg = ma/2 ..... 2.

adding the both equations,

2mg - 2T + 2T-mg = 2ma + ma/2

a = 2/5 g

putting the value of a into the equation 1.

mg - T = m* (2/5)g

T = 3/5 ( mg )

now

case 2:

The two identical blocks are released from the rest, the tension remains the same as the case 1.

so,

for m1:

2T-m2g=0

for m2:

2m2g - 2T =0

adding both equations we get,

2T-m2g + 2m2g - 2T = 0

m2 = m1 / 2

T = m1*g / 2

here we know that

T (case1) = T (case2)

3/5 ( mg ) = m1*g / 2

m1 = 6/5 m

hence

m2 = 3/5 m

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A girl at a state fair swings a ball in a vertical circle at the end of a string, the force of the string at the bottom is: A-Less than the weight of the ball B-greater than the weight of the ball C-equal to the weight of the ball D-Zero

which choice is correct and why? thx

Answers

The force of the string at the bottom is greater than the weight of the ball. The correct option is B.

What is Net force?

When two or more forces are acting on the system of objects, then the to attain equilibrium, net force must be zero.

A girl at a state fair swings a ball in a vertical circle at the end of a string.

When the ball is at the bottom, the force acting will be

The tension in the string , T = mass x centripetal acceleration + Force of gravity

So, T = m x ac + mg

The tension in the cable at the bottom will have centripetal force and weight forces acting on it.

Thus, the force of the string at the bottom is greater than the weight of the ball.

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Please answer of this question​

Answers

Answer:

[tex]\frac{\pi }{15}[/tex]m

Explanation:

At 10am, the minute hand and hour hand are ' 2 hours apart', since the minute hand is at 12pm and hour hand is at 10am.

Angle between the two hands = 2/12 * 360

= 60°

Arc Length = [tex]2\pi r(\frac{60}{360} )[/tex]

= [tex]2\pi (0.2)(\frac{1}{6} )\\= \frac{\pi }{15} m[/tex]

Calculate the mass of an object whose weight is 400n and accleration due to gravity is 10 m/ s

Answers

Answer:

40kg

Explanation:

w=m×

w=400n

g=10

m=?

400/10=m×10/10

m=40

A crate is pulled with a force of 165 N at an angle 30 ° northwest. What is the resultant horizontal force on the crate?

Answers

Answer:

Resultant horizontal force = 143 N

Explanation:

Since the a gle is 30° northwest, then it means the resultant force will be horizontal and as such;

Resultant horizontal force = 165 * cos 30

Resultant horizontal force = 142.89

Approximating to a whole number gives;

Resultant horizontal force = 143 N

if ~u = 2ˆı −ˆ and w~ =ˆı 2ˆ, find the component form of ~v = ~u w~ and sketch the specified vector operations geometrically.

Answers

The component form of the vector - u + w is determined as  -2i + 3j.

Component vector V

The component vector V is calculated from the summation of vector U and vector W.

v = -u + w

Given;

u = 2i - jw = i + 2j

v = -(2i - j) + i + 2j

v = -2i + j + 2j

v = -2i + 3j

A sketch of the vector

                                     y - axis        

                                        ↑  

                                        ↑  

                                        ↑ 3j

                                        ↑

x - axis  ←    ←    ←    ←    ←

                      2i

The complete question is below:

if u = 2i - j  and w = i + 2j, find the component form of ~v = -u + w~ and sketch the specified vector operations geometrically.

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When you rub neutral objects​

Answers

Answer:

Your answer is right

The line joining all places of zero variation is called?

Answers

According to the research, the agonic line is the line joining all places of zero variation.

What is the agonic line?

It is a term that refers to the zero declination isogon, that is, it joins the points that do not have magnetic declination.

This line crosses the magnetic and geographic poles of the Earth's surface from which they are aligned and along which there is no magnetic variation.

Therefore, we can conclude that according to the research, the agonic line is the line joining all places of zero variation.

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which of the following is not a lever?
a. winch
b. scissors
c. can openers
d. tweezers​

Answers

Answer:

a?

Explanation:yes it is a

Im not 100% sure, but I think it is “a” as it’s not really used as a lever to pull things open, while the others can be used as a lever open a paint can, for example.

A car accelerates from 0-26.8m/s in 2.2s. What is its average acceleration?

Answers

Answer:

Average acceleration = 12m/s^2

Explanation:

Acceleration is equal to the change in velocity over the change in time:

[tex]a=\frac{\Delta v}{\Delta t}[/tex]

Change in velocity is the final velocity minus the initial.

We are told the car goes from 0 to 26.8 m/s making 26.8 our final and 1 our initial. Therefore the change in velocity is 26.8-0 = 26.8m/s. ([tex]\Delta v[/tex])

And that this happens over 2.2s so this is our change in time: [tex]\Delta t[/tex]

Therefore our acceleration is: [tex]a = \frac{26.8}{2.2}[/tex]

Acceleration = 12.18 m/s^2

Rounded to 2 significant figures (2s.g. in 2.2s), the answer is 12m/s^2.

Hope this helped!

Which planet in our solar system, discovered in 1781, was named after the greek god of the sky?.

Answers

Answer:

i think the planet is Uranus

what determines the velocity of an object

Answers

displacement. velocity is the rate of change of the displacement


a A load of 1000 N can be lifted by applying
the force) effort of 250 N.If the load
arm is 25 cm, calculate the effort arm.

Answers

Answer:

Explanation:

[tex]\text{Since the fulcrum lies in between the load and effort, it is class I lever.}[/tex]

[tex]\text{Mechanical advantage (M.A.) of levers is given by,}[/tex]

[tex]\text{M.A.=effort armload arm=50cm,10cm}[/tex]

[tex]\text{Thus, mechanical advantage , M.A. = 5.}[/tex]

[tex]\text{Given, effort (E)=10N, Load(L)=?}[/tex]

∴ [tex]L=E \times M.A.[/tex]

[tex]=10\times5=50N[/tex]

Answer:

[tex]\fbox {100 cm}[/tex]

Explanation:

Finding Mechanical Advantage :

MA = Load / Effort

MA = 1000/250

MA = 4

Finding length of effort arm :

Load arm = Effort arm / 4

Effort arm = 25 cm x 4

Effort arm = 100 cm

The speed of sound in wood is 3300 m s−1 and the speed of sound in air is 330 m s−1. A hammer hits one end of a 33 m long plank of wood. Find the difference in time between the sound waves being detected at the other end of the plank and the sound being heard through the air.

Answers

The difference in time between the sound waves being detected at the other end of the plank and the sound being heard through the air will be 0.09 sec.

What is a sound wave?

A sound wave is produced when a medium begins to vibrate. When an entity vibrates, a pressure wave is formed, which causes sound.

Given data;

The speed of sound in wood,u= 3300 m/s

The speed of sound in air,v=330 m/sec

long plank of wood, L=33 m

The time period in the air was found as;

T₁ = 33 m / 330 m/sec

T₁= 0.1 sec

The time period in wood ;

T₂= 33 m / 3300 m/sec

T₂=0.01 sec

T = T₁ - T₂

T=0.1-0.01

T=0.09 sec

Hence, the difference in time between the sound waves being detected at the other end of the plank and the sound being heard through the air will be 0.09 sec.

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The graphs of f(x) and g(x) are shown below: graph of function f of x open upward and has its vertex at negative 7, 0. Graph of function g of x opens upward and has its vertex at negative 7, negative 2. If f(x) = (x + 7)2, which of the following is g(x) based on the translation? (5 points) a g(x) = (x + 9)2 b g(x) = (x + 5)2 c g(x) = (x + 7)2 + 2 d g(x) = (x + 7)2 2 Asap pls help me write the best correlative conjunction that fits in the sentence?! 1)is mount everest in asia,___is it in egypt? 2)mt everest is the highest at 29,028 feet,___two other himalaya perks are more than28,000 feet high 3) her ambition was to climb the highest mountain on each continent, _________ she planned to start woth mt. mckinley in alaska. How does Earth's global temperature affect sea level?A. Sea level falls as Earth becomes warmer and glaciers melt.B. Sea level rises as Earth becomes warmer and glaciers melt.C. Sea level falls as Earth becomes cooler and glaciers shrink.D. Sea level rises as Earth becomes cooler and glaciers grow. What are the 5 Economic resources categories? ls zinc qnd hydrogen chloride combining into sinc chloride and hydrogen gas a chemical or physical change? Step 1: Choose the lowest common denominator.02 03 04 05 06 08 010 0123/450/80OFind the sum: -andThe expression written in equivalent form with acommon denominator isThe sum is Which number is irrational?OA. 0.45OB. 0.636363...O C. 25OD. 6 What are some things you can do to increase awareness of preventable health issues and encourage people in your community to lead healthier lives? (You will need to be specific. For example: write an article for the local newspaper, organize a community garden, or anything else you feel might increase awareness. You will not have to do what you recommend, but you will need to think of at least one or two examples.) what led to the end of the long drive and the open range Which of the following statements about parasitism is true?(I) Parasitism is a symbiotic relationship.(II) In parasitism, one organism is benefited.(III) Parasitism does not affect any organism.1. Statement I alone2. Statements I and II only3. Statements II and III only4. Statements I, II, and III What was the contributing factor to Napoleons defeat at the Battle of Trafalgar? In drama, what is one purpose of stage directions? A. to tell actors how to move and speak What is the primary purpose of a quotation in an essay? Which arcade game, released in 1972, is considered to be the first to be commercially successful?. Solve for x. Round to the nearest tenth, if necessary 0. 820 mole of hydrogen gas has a volume of 2. 00 l at a certain temperature and pressure. What is the volume of 0. 125 mol of this gas at the same temperature and pressure? Natural gas Group of answer choices used in automobiles produces more pollutants than gasoline. when burned in automobiles, produces only water and no carbon dioxide or other pollutants. reserves in the United States may last many decades, even with increased demand. consumption in the United States is declining as available resources decline. *We finished our homework. We finished itby ourselvesa. trueb. false Which themes are portrayed in this excerpt from Leo Tolstoys The Death of Ivan Ilyich?Praskovya Fedorovna came of a good family, was not bad looking, and had some little property. Ivan Ilyich might have aspired to a more brilliant match, but even this was good. He had his salary, and she, he hoped, would have an equal income. She was well connected, and was a sweet, pretty, and thoroughly correct young woman. To say that Ivan Ilyich married because he fell in love with Praskovya Fedorovna and found that she sympathized with his views of life would be as incorrect as to say that he married because his social circle approved of the match. He was swayed by both these considerations: the marriage gave him personal satisfaction, and at the same time it was considered the right thing by the most highly placed of his associates.1 So Ivan Ilyich got married.2 conforming to social conventions3 criticism of a middle class lifestyle4 the destructive impact of loneliness5 struggling to face reality6 the necessity of companionshipselect all that apply An intravenous solution is noted as having a concentration of glucose equal to 0.312 M. What volume of solution (in mL) is needed to deliver 0.078 moles of glucose to the patient?