9. An empty, massless cubo is monsured to have all sides equal to 11 cm. It is Ponting in water and will slowly be filled with sand
that has a density of 3.5 g/cm! What volume of sand will cause the box to sink?

Answers

Answer 1

Answer:

please refer to the attachment.

9. An Empty, Massless Cubo Is Monsured To Have All Sides Equal To 11 Cm. It Is Ponting In Water And Will

Related Questions

How energy efficiency can reduce energy consumption?

Answers

Answer:

The energy efficiency represents the things you can do with some amount of energy, and if you can do more with less, than it reduces the energy consumption.

Explanation:

The answer to this question is actually very simple. Imagine that you use only the half of the energy you produce, an efficiency of 50%. Lets say you need 5kJ, so you would need to produce 10kJ, because you can consume only the half. Now, imagine you increase the efficiency, you use exactly what you can generate, (efficiency of 100%). In this case, if you needed only 5kJ you would need to generate only 5kJ.

Warren is a professional triathlete when doing an
Ironman, Warren swims 3.86km in 45 mins, then
bikes for 180.5 km in 5 hours and finishes by
running a marathon 42.2km in 2.75 hours. What is
Warren's average speed in Km/hr and m/s

Answers

Answer:26.7 and 7.4

Explanation:

So, first you add all the time up then the area travelled.

Firstly; 45 mins + 300 minutes(5 hours) + 165 minutes(2.75 minutes)= 510 minutes

Secondly; 42.2KM + 180.5KM + 3.86KM= 226.56KM

Finally: For hourly you would do: 510 divided by 60 to get 510 mins in terms of hours: so, 8.5 hours then you would do 226.56KM divided by 8.5 hours to get: 26.7Km/hr

For m/s: 7.4m/s

a racing car has a uniform acceleration of 5 metre per second square what distance will it cover in 10 seconds after the start



will mark as brainlist

Answers

hey!

Given ,

Acceleration, a = 5 m/s^2

time , t = 10 seconds

Initial velocity,u = 0

Final velocity , v = ?

We have ,

v = u + at

=> v = (0)+(5)(10)

=> v = 50 m/s
Speed =distance/time
So you have to rearrange the equation to find distance.
Distance = time * speed
So distance= 5*10
Distance = 50 metres

what are the characteristics of images formed by plane mirrors ​

Answers

Answer:

the image is erectthe image is laterally invertedimage is formed at the same distance from the mirror as the object is in front of itthe image is of same size as that of the objectthe image is virtual (cannot be obtained on a screen)

Any sound with a frequency that is too low for humans to hear is called:

Answers

Answer:

infrasound

Explanation:

The amount an object weighs depends on the presence of —.

Answers

Answer:

The weight of an object is dependent upon the value of the acceleration of gravity.

Chris shines a white light onto a surface, and the surface appears to be green. What color will the surface appear if he shines a combination of blue and green light on the surface?.

Answers

Answer: just realized this is more advanced physics so if this doesn't seem right I apologize, I had a really bad physics teacher lol. So ignore this for now!

Hey there! I think this might just be basic color mixing! The color would be a turquoise

Explanation: R G B make up our visible light spectrum. This has documented graphs. Through basic use of one, you can determine that the color would be a blue-green, commonly referred to as turquoise! There are many more color combinations then just this one as well!

what is the difference between reflection and refraction? What changes and what does not change.

Answers

Answer:

Reflection involves a change in direction of waves when they bounce off a barrier. Refraction of waves involves a change in the direction of waves as they pass from one medium to another.

Explanation:

Calculate the frequency of a wave which goes through 10 cycles in 5 s

Answers

Answer: 50 hz is correct

What is needed for water condensation to occur

Answers

Answer:

Warm moist air, hope this helps

Answer:

A heat source high enough to boil the water and the water itself

Explanation:

Can someone please answer this, ill give you brainliest Would be very appreciated.

Answers

Answer:

c because

Explanation:

Plants and trees couldn't thrive without capillary action. Capillary action helps bring water up into the roots. With the help of adhesion and cohesion, water can work it's way all the way up to the branches and leaves.

Answer:

option C

Explanation:

Capillary action is important because it's necessary thing in plants food and oxygen productionIt is done through capillary tubes of diameter 0.1mm and the water rises up high in the trees.

So option C is correct

In Alberta, which of the following statements is true?

A. Only adults must be restrained in a vehicle.
B.All children must have booster seats.
C.Babies must be restrained in the front seat only.
D.All occupants must be restrained in a vehicle.

Answers

The answer is c because I know it

what is the wavelength of a 28Hz periodic wave at 10 meters per second?

Answers

AnswerAnswerAnswerAnswerAnswer:0.3571m

Explanation:

After reading the passage about acupuncture, identify which scientific claim explains why some people say acupuncture does not truly relieve pain.

Answers

Answer:

The answer would be "This ancient form of pain relief and stimulation is said to benefit patients by blocking channels which practitioners claim

Explanation:

Answer:

It provides only a placebo effect.

Explanation:

Edge

Which picture shows an example of no work being done? A man and a woman hold a child in the air by the child's hands. A man pushes a shopping cart down the aisle of a grocery store. A child holds the bar of a set of weights without moving. A woman pulls a rolling suitcase.

Answers

Answer:

A child holds the bar of a set of weights without moving I think

A bag of frozen vegetables expanding in the microwave is a good example of how volume __________.

A. increases when temperature decreases


B. decreases when temperature increases


C. decreases when temperature decreases


D. increases when temperature increases

Answers

Answer:

D

Explanation:

because when the temperature increases things tend to rise and explode instead of decreasing

The diagram shows a roller-coaster track. Assume that the system is closed. At point D, the roller-coaster is upside-down and at the top of the vertical loop.

which statement best describes the potential and kinetic energies of a roller-coaster car at point D?

Answers

Yes the answer is C

the amount of energy at the end of the system (output) is different from the starting energy (input). How does this not violate (break) the law of the conservation of energy. This question is based on solar and wind energy

Answers

Answer:

Because some of the energy escaped or was used.

Explanation:

What is physics and how does it affect every day life

Answers

Explanation:

Physics, or the study of matter, energy, and the interactions between them, helps us to understand the laws and rules that govern the physical world.

A gas has a variable volume.
True
False

Answers

Answer:

True

Explanation:

Gas always live in free state but some gas is not . We can said that mostly gas volume can be changeable during disturbing by environment situation.

A set of water waves travels at 10.0 m/s , and 5.0 waves pass you in 4.0 s. What is the wavelength of the waves?

Answers

Answer:

8 meters

Explanation:

Frequency of waves =  5 waves / 4 s = 1.25 Hz

speed = frequency * wavelength

speed/ frequency = wavelength

  10 / 1.25 = 8 m

explain the causes of atmospheric pressure and why it changes with altitude?​

Answers

Answer:

As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level. This is what meteorologists and mountaineers mean by "thin air." Thin air exerts less pressure than air at a lower altitude

How much does a 200 kg car weight?

Answers

Answer:

22 kgs

Explanation:

440.925 pounds if thats what you mean but kgs is the weight system for everyone but america

2. why did adding layers of paper help prevent the egg from breaking open rather than one thick layer with the same number of sheets?

Answers

The question requires the concept of impulse which is defined as From this formula we see that force is inversely proportional to the time. This means that more the time taken by a particle to hit the surface, lesser will be the force

What is the mass of an object that accelerated at 5 m/s2 with a force of 45 n?

Answers

Answer:

9kg.

Explanation:

Data obtained from the question include:

F (force) = 45N

a (acceleration) = 5 m/s2

m (mass) =?

Force is simply the product of mass and acceleration as given by the formula: F = ma. With this formula (i.e F = ma) we can easily calculate the mass of the object. This is illustrated below:

F = ma

m = F/a

m = 45/5

m = 9kg.

Therefore, the mass of the object is 9kg

A force of 800 n is used to stop an object with a mass of 50 kg moving with a velocity of 35 m/s. how long will it take to stop this object?
variables:
equations:
answers

Answers

Answer:

KE = F * S     initial kinetic energy will expended in stopping object

1/2 M V^2 = F * S

S = 1/2 * 50 * 35^2 / 800 = 38.3 m      stopping distance

If you need to know the stopping time involved -

(V2 - V1) = a t     where the change in velocity is 35 m/s

a = F / M = 800 / 50 = 16 m/s^2      deceleration of mass

t = 35 / 16 = 2.2 sec

Which type of energy is most important when considering the heating and cooling of a building?
A. thermal energy
B. chemical energy
C. potential energy
D. electrical energy

Answers

Heating and cooling are the kind of energy.  The most important energy when considering the heating and cooling of a building is thermal energy. The correct option is A.

What is energy?

Energy is the ability to do work.

The temperature of building is increased or decreased due to the season changes. This heating or cooling is a  type of energy related to thermal.

Thus, the most important energy when considering the heating and cooling of a building is thermal energy.  The correct option is A.

Learn more about energy.

https://brainly.com/question/1932868

#SPJ1

Which components of static electricity does a photocopier use?
ex. charging by conduction, friction, etc

Answers

Answer:

For a photocopier to work, a field of positive charges must be generated on the surface of both the drum and the copy paper. These tasks are accomplished by the corona wires. These wires are subjected to a high voltage, which they subsequently transfer to the drum and paper in the form of static electricity.

What is the difference between
longitudinal waves that have
different amplitudes?

Answers

Answer:

Wave amplitude of a transverse wave is the difference of height between a crest and the resting position. Wave amplitude of a longitudinal wave is the distance between particles of the medium where it is currently compressed by the wave.

Answer:

A wave caused by a disturbance with more energy has greater amplitude

Explanation:

The half-life of radium-226 is 1,600 years and the half-life of carbon-14 is 5,730 years. In 1-2 sentences, mathematically prove that the decay constant for radium-226 is larger than the decay constant for carbon-14.

Answers

The decay constant for radium-226 is larger than the decay constant for carbon-14 due to its obtained value.

What is the rate of decay?

The reduction in the number of radionuclides per unit time is the rate of decay.

The decay constant of the radium-226 is;

[tex]\lambda_1=\frac{ 16}{100}\times 266 \\\\ \lambda_1= -36.16[/tex]

The decay constant of the carbon-14 is;

[tex]\lambda_2=\frac{ -57.3}{100}\times 14 \\\\ \lambda_1= -802.2[/tex]

Hence, the decay constant for radium-226 is larger than the decay constant for carbon-14.

To learn more about the rate of decay refer to the link;

https://brainly.com/question/14486631

#SPJ1

Answer:

  0.693/1600 > 0.693/5730

Explanation:

The decay constant is the reciprocal of the time it takes for the radioactivity to decline to about 36.8% of its original value. It is the value of k in the multiplier e^(-kt), which tells the fraction remaining after time t.

When compared to the half-life, h, the value of k is ...

  k = 0.693/h . . . . . decay constant for half-life h

Effectively, the decay constant is proportional to the inverse of the half-life. The constant of proportionality is ln(2) ≈ 0.693.

__

decay constant for radium-226:

  0.693/1600 ≈ 4.33×10^-4

decay constant for carbon-14:

  0.693/5730 ≈ 1.21×10^-4

Since 4.33×10^-4 is greater than 1.21×10^-4, the decay constant of radium-226 is larger than that of carbon-14.

_____

Additional comment

Taking the reciprocal of a positive number reverses the ordering:

  1600 < 5730

  1/1600 > 1/5730

The half-life of radium-226 is less than that of carbon-14, so its decay constant will be larger.

Other Questions
Evaluate f(-2): f(x)=3/2x-4 What regulations does the United States National Environmental Policy Act (NEPA) lay down? Compare modern humans to their predecessors. What is one difference in these two groups of people? Find the length of the straight lines joining the following pairs of points (-1,3)and(5,2) how is a leopard frog like a human? please help me with this question !! PLEASE HELP ME WITH PROB AND STATS6. Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary. What is the name for the process of using the Fourteenth Amendment to apply the Bill of Rights to state governments?A. procedural due processB. incorporationC. due processD. substantive due process Why do different countries have different currency the term was used by writer gertrude stein to describe those left deeply disillusioned by world war i. Describe in your own words what public health means. 50 POINTS! - How do organizations influence global peace, cooperation, and development? 20. Fill in the blank in the following sentence with the appropriate future tense formof the verb manger.Demain soir nous___dans un bon restaurant. please help me with this problem i will give brainliest please :) Solve: (6 6 + (-3)) 11please How does noise affect a signal? If you were referencing an e-book what would be the proper citation format?. Find the coordinates of the midpoint of the lines joining the following pairs of points:. 1. (3,-6) and (5,8). 2. (-4,-2) and (1,-3) Please help!!!you must use the desmos caculator 18 people are trying out for a soccer team. How1I goalie,many different ways could you choose5-defenders, 6 midfielders, and 3 forwards?