The linear expansivity of metal P is twice that of another metal Q. When these materials are heated through the same temperature change, their increase in length is the same. Calculate the ratio of the original length of P to Q​

Answers

Answer 1

Answer:

The answer is 1:2.


Related Questions

What specific space object is shown in the picture below?

A) Black hole

B) Red Dwarf

C) Brown Dwarf

D) Star

E) Galaxy

F) Wormhole

Answers

From context clues, I believe the correct answer is B) Red Dwarf!

When you lift a box, what is the effort force?

Answers

Answer:

effort force: The force used to move an object over a distance. resistance force: The force which an effort force must overcome in order to do work on an object via a simple machine. ideal mechanical advantage: The factor by which a mechanism multiplies the force put into it.

Explanation:

Which of the following did you include in your response? Check all that apply. Absolute strength measures maximum force. Dynamic strength measures repeated motions Elastic strength measures exertion of force rapidly Strength endurance measures fatigue resistance​

Answers

Answer:

d

Explanation:

Answer:

any answer would be correct. its a choose your own answer question lol

Explanation:

I was playing goalie in a soccer league and made a save. The ball was traveling at 14 m/s and has a mass of 0.45 kg. How muck kinetic energy did the ball have when it hit me

Answers

Answer:

Kinetic energy = 44.1 J

Explanation:

Given:

Velocity of ball = 14 m/s

Mass of ball = 0.45 kg

Find:

Kinetic energy

Computation:

An item's kinetic energy is force it has as a result of its motion. It is the amount of work necessary to move a body of a known volume from rest to a specified velocity.

Ke = (1/2)(m)(v²)

Ke = (1/2)(0.45)(14²)

Ke = (1/2)(0.45)(196)

Kinetic energy = 44.1 J

whar determines the direction of ocean currents​

Answers

Answer:

The direction in which they rotate is determined by the hemisphere in which they are located. The main overall global wind patterns, the rotation of the Earth, and the shape of ocean basins are the three major factors that decide surface currents.

Oceanic factors are Tempature, salinity, density, pressure gradient and melting of ice. Atsmopheric factors are atsmopheric pressure, winds, rainfall, evaporation and insolation

Standing and holding a barbell that has a mass of 100kg at a height of 2m involves being done on the barbell to maintain
the position.

Answers

Answer:

1960Joules

Explanation:

Since we are not told what too find, we can as well find the Gravitational Potential Energy.

GPE = mass * acceleration due to gravity * height

GPE = 100*9.8 * 2

GPE = 980*2

GPE = 1960Joules

Hence the gravitational potential Energy is 1960Joules

a force of 200N is exerted horizontally on a box of mass 18kg to displace it through a distance of 6m.how much work is done. Please help me and I will make you as brainliest

Answers

Answer:

1200

Explanation:

W=FD

W= work done

F= Force

D= distance

So, 200*6=1200

Una mujer recorre una trayectoria rectilínea en su camioneta primera una velocidad constante de 50 km/h luego a 70 km/h y después de 60 km/h durante su trayecto a su trabajo ¿cuál será la velocidad promedio?

Answers

Answer:6/1 %50 x11

Explanation:

25-45

6. Calculate the mass of mass A in the diagram. The frame joining
the masses is massless.
A
centre of mass
15 cm
30 cm
15 cm
3 kg
8 kg
40 cm
Figure 4.36​

Answers

Answer:

calculate the mass of mass A i the diagram .the frame joining the mass is massless

Explanation:

The mass of mass A the diagram .the frame joining the mass is massless.

What is Mass?

The unique location in an object or system that can be used to describe how the system reacts to outside forces and torques is referred to as the "center of mass" or "center of gravity" in a uniform gravity field.

The idea of the center of mass is that it is the average of all the masses divided by the distances between them. With regard to the torques produced, that is comparable to balancing a seesaw around a pivot point in one plane.

Therefore, The mass of mass A the diagram .the frame joining the mass is massless.

To learn more about Masses, refer to the link:

https://brainly.com/question/19694949

#SPJ2

Which best describes nuclear fusion?
A nucleus spontaneously splits and absorbs energy.
Two nuclei spontaneously combine and absorb energy.
A nucleus collides with a neutron and splits, releasing energy.
Nuclei combine to form a heavier nucleus, releasing energy.

Answers

Answer:

The statement that best describes nuclear fusion is;

Nuclei combine to form a heavier nucleus, releasing energy

Explanation:

In nuclear fusion, we have the reaction of the nuclei of two or more atoms coming together (combining) to form heavier elements and subatomic particles such as protons and neutrons accompanied by the release or absorption in energy depending on the difference between the mass of the reactants and the products

Some nuclear fusion reaction require an input of energy and such reactions are therefore not spontaneous

The best option is nuclei (two or more nuclei) combine to form a heavier nucleus, releasing energy.

Answer:

The answer is the last option or D

Explanation:

Nuclei combine to form a heavier nucleus, releasing energy.

Have a great day and stay safe!

What's a Blackhole ?​

Answers

Answer:

A black hole is a region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it. The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.

What is the mass of a child in a wagon that has a velocity of 10 m/s and a Momentum of 30 KG* M/S
P=MXV

Answers

Explanation:

sinces : Momentum = velocity × mass

then : 30 = 10 × m and m = 30 ÷ 10 = 3 kg

Question 4 of 10
Samples of different materials, A and B, have the same mass, but the sample
of B is higher in density. Which statement could explain why this is so?
A. The sample of material B has greater volume than the sample of
material A.
B. The particles that make up material A are more closely packed
together than the particles that make up material B.
C. The particles that make up material B are more closely packed
together than the particles that make up material A.
D. The particles that make up material A have more mass than the
particles that make up material B.
SUBMIT

Answers

The answer is c. The particles of b are more closely packed

An 88.0 kg passenger is inside a 1450.0 kg elevator that rises 30.0 m in exactly 1.0 minutes. How much power is needed for the elevator's trip? ​

Answers

Answer:

Explanation:


there is T__ as much voltage. This
produces twice the current

Answers

Twice as much voltage

A sound wave has a frequency of 250 Hz and a wavelength of 1.3 m. Calculate the speed of this waves.

Answers

Answer:

325 m/s

Explanation:

Frequency of the wave = 250 Hz

wavelength of the wave = 1.3 m

From the wave formula;

v = λf

v = wave speed

λ = wavelength

f= frequency

v = 250 * 1.3 = 325 m/s

A 1202-kg car is stopped at a stoplight. Inside, the car has three occupants. The two passengers have a mass of 75 kg each, while the driver has a mass of 105 kg. The driver steps on the gas pedal, and the car begins to accelerate at a rate of 2.5 m/s2 . What is the force that the engine is applying to the car?

Answers

Answer:

F = 63.25 N

Explanation:

a = 2.5 m / s ²

m = 25.3 kg

F =?  

We calculate the force.

F = ma

F = (25.3 kg) (2.5m / s²)

F = 63.25 N

Solution.

F = 63.25 N

Which team is defense?

Answers

Answer:

What are the teams? Football would be defense...

Explanation:

sorry if this didn't answer your question...

Answer:

The team without possession of the ball (B)

Explanation:

One of the world's largest Ferris wheels, the Cosmo Clock 21 with a radius of 50.0 m is located in Yokohama City, Japan. Each of the sixty gondolas on the wheel takes 1.00 minute to complete one revolution when it is running at full speed. Note: Ignore gravitational effects. What is the centripetal acceleration of the gondola when the Ferris wheel is running at full speed

Answers

Answer:

a = 0.55 m / s²

Explanation:

The centripetal acceleration is given by the relation

         a = v² / r

angular and linear velocities are related

         v = w r

we substitute

          a = w² r

In the exercise they indicate the angular velocity w = 1 rev/min, let's reduce to the SI system

          w = 1 rev / min (2pi rad / 1rev) (1min / 60s) = 0.105 rad/ s

let's calculate

          a = 0.105² 50.0

          a = 0.55 m / s²

Which statement describes this image

Answers

Answer:

3rd one i think.

Explanation:

Write the word conduction, convection or radiation in the blanks in front of 1-13
1.
Walking on the hot sand on a beach
2.
A ceiling fan forcing the warm air downward.
3.
Feeling heat from a campfire.
Chocolate candy melting in your hand.
5.
Air in the atmosphere rising and falling.
6.
Heat from the sun warming a swimming pool.
7.
Changing a light bulb while it's still hot.
8.
Heat from the hood of a car when you touch it.
9.
Feeling the heat from a stove burner without touching it.
10.
Boiling water moving in a circular motion
11. Energy that is transferred in waves or particles.
12. Energy that is transferred by direct contact.
13. Energy that is transferred through a fluid where hot rises and cold
sinks.

Answers

Answer:

1. conduction

2. convection

3. radiation

4. conduction

5. convection

6. radiation

7. conduction

8. conduction

9. radiation

10. convection

11. radiation

12. conduction

13. convection

what are the conditions for a body to be at equilibrium

Answers

Conditions for equilibrium require that the sum of all external forces acting on the body is zero (first condition of equilibrium), and the sum of all external torques from external forces is zero (second condition of equilibrium). These two conditions must be simultaneously satisfied in equilibrium.

Answer:

Explanation:

Conditions for equilibrium require that the sum of all external forces acting on the body is zero (first condition of equilibrium), and the sum of all external torques from external forces is zero (second condition of equilibrium). These two conditions must be simultaneously satisfied in equilibrium

an ocean wave has a wavelength of 3 meters and a frequency of 0.5 Hz. What is
the speed of the wave?

Answers

Answer:

1.5 m\s Ans ......

Explanation:

Data:

f = 0.5 Hz

w = 3 m

v = ?

Formula:

v = fw

Solution:

v = (0.5)(3)

v = 1.5 m\ s Ans ........

Is this right HELP PLSSSS IF WHAT IS IT ! ! !

Answers

It’s correct

00000000000

If an acid and a base react, the product(s) will be ____.
A salt
Neutral water
A salt and water
A metal and water

Answers

I’m pretty sure that if an acid and base react the products will be a salt

A sonar emits a sound signal of frequency 40000Hz, towards the bottom of the sea.
This signal is reflected on the body of a submarine after a delay of 0.3 seconds.
Given: Speed of sound in water is 1500 m/s.

Calculate the period of this wave.

Answers

Answer:

0.000025s

Explanation:

Period it’s. : T(s)= 1/f(Hz)=1/40000Hz=0.000025s

The reason a penny thrown straight up inside a bus will come back to your hand is that you, the bus, the air inside the bus, and the penny are all moving at the same velocity.The law of inertia applies to both moving and nonmoving objects.

this is a true or false question help

Answers

Answer:

its false

Explanation:

since the penny is thrown straight up its not going to move forwad with you and the bus since it has no forces pushing on it. If the bus wasn't moving it would land back on your hand

Calculate the net force of the object in the image shown 20N 15 N ​

Answers

It’s going to be 35 bc it’s going the same way so it’s gonna be 35n

Everyone open this please!

There are accounts spreading around the same link to answers of questions saying that it’s the only way to type it. Don’t open them! I don’t know what it is but I’ve seen the same link multiple times so it seems sketchy.

Answers

Answer:

yeah i knowwwwwwwwwwwwww

Explanation:

Answer:

I sit by myself talking to the MOOOOOOOOONNNNNNNN

Explanation:

Which of these results in kinetic energy of an object? (1 point)
Oposition
O motion
O mass
volume

Answers

Motion I’m pretty sure

Answer:

B. Motion

Explanation:

Kinetic energy is a property of a moving object or particle and depends on the motion and its mass.

Hope this helps!

Other Questions
Interior exterior angles triangles clarify the term fair discrimination Whats molecular formula of 26,4% carbon , 3,3 % Hydrogen and 70,3% oxygen? Which term best describes the sequence 1,5,9,13,17,...?a.Geometricb.Arithmeticc.Quadraticd.Neither Which trend line properly describes the data relationship in the scatterplot? In the 1800s, locomotives powered by ____ made transportation faster and cheaper. The resulting rapid growth of railroads led to the connection of the _____ Railroad in Oklahoma City in 1897. Which phrase best completes the diagram?Features of easternEuropean cultureMost people speakSlavic languagesDifferent ethnicgroups have differentreligions?A. Many people forced to move because of warsB. Very supportive of communismC. Almost no large urban centersD. Nearly all people are religious How to find a tangent ratio Joe is carrying a load of building supplies and likely injuring his back by supporting 882 in of weight. Calculate the mass of what he is carrying In hydrogen, in order for an electron to emit visible light, it must fall fromsome energy state and stop where?A. 1st energy levelB. 2nd energy levelC. 3rd energy levelD. 4th energy level Simplify the following fraction: 12/16 Don leaves home at 2pm. He drives 45 miles from home in the first hour. He stops for 90 minutes. He then drives home at an average speed of 15mph. Draw a distance-time graph to show Don's journey.Brainliest if you want :) Why is spreading awareness about depression important? list tree reasons and explain Dean Ayers, who was the Department Chair of the Accounting Dept. before he became Dean of Terry College, is an example of external recruiting, the advantages of which are that (i) the new hire already knows company culture, background, and products; (ii) the new hire can make a quicker and more meaningful impact in the new role; (iii) demonstrates to other employees a potential career path that allows growth and development; and (iv) the firm already is aware of the skills and potential of the candidate when making the hiring decision solve this pls thank you Triangle PQR is reflected across a line, P = (4,5), and P = (4, 5). What is the line of reflection?the x-axisthe y-axisthe line y = xthe line y = x help pls dont skip pleaseeeee What are some examples of how he made Rosie appear feminine while she was working in a mans world? What word BEST represents a positive connotation for the word protest?UprisingRiotDisturbanceDemonstration Veronikas five test scores are 59 80 95 and 93 if the outlier of 59 is removed what is the mean absolute deviation of the remaining four test scores?