A 59.9g sample of brass, which has a specific heat capacity of 0.375·J·g−1°C−1, is put into a calorimeter (see sketch at right) that contains 150.0g of water. The temperature of the water starts off at 19.0°C. When the temperature of the water stops changing it's 21.5°C. The pressure remains constant at 1atm. Calculate the initial temperature of the brass sample. Be sure your answer is rounded to 2 significant digits.

the direction of the electric field at location c due only to the dipole depends on the orientation of the dipole. If the dipole is horizontal, the electric field points from left to right. If the dipole is vertical, the electric field points from top to bottom

The direction of the electric field at location c due only to the dipole depends on the orientation of the dipole.

A dipole consists of two equal and opposite charges separated by a small distance. The electric field lines always point away from the positive charge and towards the negative charge.

If the dipole is aligned horizontally, with the positive charge on the left and the negative charge on the right, the electric field at location c would point from left to right.

Conversely, if the dipole is aligned vertically, with the positive charge on the top and the negative charge on the bottom, the electric field at location c would point from top to bottom.

In summary, the direction of the electric field at location c due only to the dipole depends on the orientation of the dipole.

If the dipole is horizontal, the electric field points from left to right. If the dipole is vertical, the electric field points from top to bottom.

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Answer:

the answer is at the BOTTOM OF THEIR QUESTION

Explanation:

IT IS CORRECT BTW

Answer:

It means that the Object is Traveling in a Negative Direction.

Explanation:

?

Answer:

An object which moves in the negative direction

Explanation:

The tension in the rope is 150 N.

The tension in the rope would be 150 N.

What are the given values?

Given,Mass of the engine = 135 kg

Mass of the pulley system = 6.65 kg

Acceleration due to gravity = 9.8 m/s²

Formula to calculate tension,T = m(g + a)

Where,T is the tension in the rope,m is the mass of the engine, and

a is the acceleration of the system.Here, the pulley system is at rest.

So, acceleration of the system is zero. Hence,a = 0

Substituting the given values in the above formula,T = 135 kg × (9.8 m/s² + 0)T = 1323 N

Now, the pulley system multiplies the tension by a factor of two.

Tension in the rope,T = 1323/2 N = 661.5 N= 662 N

Therefore, the tension in the rope is 150 N.

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Answer:

the laws of motion is what keeps everything going an back without gravity they couldn't been no us . let them say what they was but newton knows best if they want to come an say newtons discovery changed the world without him we couldn't rest

The concave lens is not used to form real images but only virtual images.

When light strikes a convex or concave lens, it refracts the light rays differently. The behavior of light passing through a convex or concave lens is influenced by the shape of the lens.

The basic principle behind the lens is to refract the light in such a way that it forms an image.

The type of lens used determines the characteristics of the image. A convex lens is thicker in the middle than at the edges.

The light rays passing through it converge to a point on the opposite side of the lens. It converges the light rays together and forms an image.

This lens is also known as the converging lens as it bends the light inwards towards the center. The image formed is real, inverted, and smaller than the object on the opposite side of the lens.

Therefore, the concave lens is not used to form real images but only virtual images.

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Answer:

the gravitational force between 2 objects is directly proportional to the product ... the field that surrounds any object with mass; equals the universal gravitational constant, ... if the mass of a planet near the sun doubled, the force of attraction would ... according to newton's law in the case of a planet near the Sun,

Explanation:

Answer:

A carpet transfers more energy to heat than the floor, I believe.

Explanation:

There is more friction on the carpet creating more heat and energy loss. Potential energy is gained from being at a higher elevation.

Answer:

5,760

Explanation:

1 minute is equal to 60 seconds. so you will multiply 60 times 96. and that equals 5,760

To convert a given value in km/h to m/s, we need to multiply it by 1000 and then divide it by 3600. This will give us the corresponding value in m/s.

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The estimated range of distances for detecting an object using radar with a pulse width of 12 ms and a pulse repetition of 15 kHz is approximately 60 meters.

To estimate the range of distances at which you can detect an object using radar, we can use the radar range equation:

Range = (Speed of Light ˣ Pulse Width) / (2 ˣ Pulse Repetition Frequency)

Simplifying the equation:

Therefore, with a pulse width of 12 ms and a pulse repetition of 15 kHz, the estimated range of distances at which you can detect an object using radar is approximately 60 meters.

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The extra cost of fuel for driving 83 mph instead of 73 mph is $3.7671.

The speed of your automobile has a huge effect on fuel consumption. Traveling at 65 miles per hour (mph) instead of 55mph can consume almost 20% more fuel. As a general rule, for every mile per hour over 55 , you lose 2% in fuel economy.

If you take a 400-mile trip and your average speed is 83mph rather than the posted speed limit of 73mph, then the extra cost of the fuel is calculated as:

* **Fuel consumption at 83 mph:** 30 mpg * (1 - 2% * (83 - 55)) = 27.6 mpg

* **Fuel consumption at 73 mph:** 30 mpg * (1 - 2% * (73 - 55)) = 29 mpg

* **Extra fuel used:** 400 miles / 27.6 mpg - 400 miles / 29 mpg = 2.4 gallons

* **Extra cost of fuel:** $3.26/gallon * 2.4 gallons = $3.7671

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Gravity causes cast of gases to clump together to begin forming new stars and planets.

Gravity binds the gas and dust together. If the cluster is large enough, it produces a star—increased pressure from gravitational collapse boosts the temperature, forcing nuclear fusion to occur in its center.

The dust and gases in a nebula are widely dispersed, yet gravity can gradually bring clumps of dust and gas together. As these clusters grow in size, their gravity grows stronger and stronger. The clump of dust and gas eventually becomes so large that it collapses due to its own gravity.

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Explanation:

this is a physical property

This is a "chemical property" in that Titanium interacts with oxygen less than most metals.

A chemical property is a characteristic of a substance that can only be observed or measured by changing the identity of the substance through a chemical reaction.

In this case, the fact that titanium reacts less with oxygen than most metals is a chemical property because it describes how titanium behaves in the presence of oxygen, and it is a result of the chemical properties of titanium's atomic structure and the bonds it forms with oxygen atoms.

In contrast, physical property is a characteristic of a substance that can be observed or measured without changing its identity.

Titanium reacts less with oxygen than most metals do. This is a "chemical property".

Thus, the correct answer would be option (B) chemical property.

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(a) The S-wave velocity can be calculated using the following formula:

Vs = sqrt(μ/ρ)

where:

Vs is the S-wave velocity in m/s

μ is the shear modulus in Pa

ρ is the density of the rocks in kg/m3

Plugging in the values, we get:

Vs = sqrt(3 x 10^10 Pa / 3000 kg/m3) = 4.0 km/s

Therefore, the S-wave velocity is 4.0 km/s.

The distance to the earthquake can be calculated using the following formula:

d = Vs * t

where:

d is the distance to the earthquake in km

Vs is the S-wave velocity in m/s

t is the time it took for the S-wave to travel from the earthquake to the seismograph in seconds

Plugging in the values, we get:

d = 4.0 km/s * 20 seconds = 80 km

Therefore, the earthquake is 80 km away from the seismograph.

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Based on geographical analysis, the earthquakes affect the rise and progress of the civilization in America and the Pacific islands by causing slope failures, liquefaction, and tsunami.

The effect of earthquakes in America and the Pacific Islands has caused people displacement as buildings collapsed, and water from nearby oceans caused the destruction of physical properties.

For safety reasons, when a natural disaster like an earthquake occurs in your place, you are expected to stay away from buildings if you're outside.

Similarly, if you are in a car, you should stop and pull over.

If you are in bed during the earthquake, wrap your head and neck with a pillow while turning your head upside.

Also, avoid doorways or windows if you are inside.

Considering the three types of waves, the most destructive wave is known as surface waves.

Surface waves have the most potent vibrations and can travel through any earth surface, whether air or water.

Other types of waves include Transverse waves and Longitudinal waves.

Hence, in this case, it is concluded that the effect of earthquakes is negative on human society, and waves can be destructive.

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#1. Waves are created by the earth. When the earth moves a certain direction, then the waves will become heavier or lighter. Waves will travel through magnetic energy. The magnetic energy is formed when the earth spins at a fast pace.

#2. Scientists track waves and earthquakes by using an instrument called a seismograph. The seismograph tells the scientists where the waves and quakes are coming from and how damaging they will be.

#3. Earthquakes have damaged a lot of areas such as Nagqu, China. This earthquake happened two days ago and had damaged a lot of areas. Since it was a 6.3 magnitude earthquake, it would have been classified as pretty big for an earthquake.

1) The magnitude of electric field at (3.0 m, 2.6 m) is approximately 74.12 V/m.

2) The direction of the electric field at (3.0 m, 2.6 m) is approximately 50.68° ccw from the positive x-axis.

1) In order to calculate the electric field at a point (x, y) given the electric potential V, the following equation can be utilised :

E = -∇V

Here, ∇V is the gradient of the electric potential V.

Considering the gradient of V with respect to x and y,

∂V/∂x = -200V⋅m/x(x^2+y^2)^(1/2)

∂V/∂y = -200V⋅m/y(x^2+y^2)^(1/2)

Putting the values of x = 3.0 m and y = 2.6 m, we get:

∂V/∂x = -200V⋅m/(3.0 m)(3.0^2 + 2.6^2)^(1/2) ≈ -48.43 V/m

∂V/∂y = -200V⋅m/(2.6 m)(3.0^2 + 2.6^2)^(1/2) ≈ -56.06 V/m

Therefore the electric field at (3.0 m, 2.6 m) is found to be,

E = -∇V = -(-48.43 V/m i - 56.06 V/m j) ≈ 48.43 V/m i + 56.06 V/m j

Thereforethe magnitude of the electric field is  calculated to be

|E| = (48.43 V/m)^2 + (56.06 V/m)^2 ≈ 74.12 V/m

2) Now finding the direction of the electric field, following method is used:

θ = tan⁻¹(Ey/Ex)

(where θ is the angle ccw from the positive x-axis)

Inserting the values of Ex and Ey, we get:

θ = tan⁻¹(56.06 V/m/48.43 V/m) = 50.68° (approx.)

Hence, the direction of the electric field at point (3.0 m, 2.6 m) is approximately 50.68° ccw from the positive x-axis.

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Answer:

Positive I believe... because if you drop it it is negative so picking up a book means positive. thanks for the points though!

Explanation:

Can I have brainliest please? <3

Explanation:

u=54 km/h

54*5/18=15 m/s

v=0m/s

t=?

acceleration=-0.5m/s^2

we know that a=v-u/t

so,

t=v-u/a

t=15-0/0.5

=15/0.5

=30

therefore, the time is 30 second

Hope this answer helps you..

James Watt devised the unit of power called the horsepower

Answer: 18.64114

Explanation:

Answer:

11

Explanation:

The ideal mechanical advantage of a lift would be 11, which allows you to raise a 90.0 - kg refrigerator with 80.0 N of force, therefore the correct answer is option A .

Mechanical advantage is defined as a measure of the ratio of output force(load) to the input force(effort) in a system, It is used to analyze the forces in simple machines like levers and pulleys .

Mechanical advantage = load / effort

As given in the problem we have to find out the e ideal mechanical advantage of a lift that allows you to raise a 90.0-kg refrigerator with 80.0 N of force ,

The mechanical advantage of the lift = 90 × 9.8 / 80.0

                                                              = 11

Thus , the ideal mechanical advantage of a lift would be 11 ,

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Answer:

4 meters per second

Explanation:

Both of the below elements, covering a short period of time and having a limited number of characters, are typically associated with climactic plot structure. The correct options are:

c. Covers a short period of time

d. A limited number of characters

This structure focuses on a specific event or conflict that unfolds rapidly and intensifies towards a climax, usually involving a small set of characters. The plot begins closer to the climax, omitting extensive exposition or background information, and often takes place in a restricted locale to maintain a sense of urgency and intensity.

Climactic plot structure refers to a narrative structure that focuses on a condensed timeframe and a limited number of characters. This type of plot structure often unfolds rapidly, with events building up to a climactic moment or turning point. By covering a short period of time and involving a small cast of characters, the climactic plot structure creates a sense of intensity and immediacy in the story, allowing for focused and impactful storytelling. This structure is commonly used in works such as short stories, plays, and films where brevity and concentrated impact are desired.

Therefore, options c and d are correct.

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Answer:

Explanation:

The big bang theory explained that the universe started as a single entity which was created by massive explosion and it create most of the matter i.e galaxies were moving away from the universe in all directions with great speed which then cause massive explosion and bring about cosmos creation.

Answer:

Distance = 10 kilometers.

Explanation:

Given the following data;

Speed = 5km/h

Time = 2 hours

To find the distance traveled;

Distance = speed * time

Distance = 5 * 2

Distance = 10 kilometers

Therefore, the distance travelled by the car is 10 kilometers.

(a) The equivalent resistance of the circuit is 0.52 ohms.

(b) The total electric current that runs through the circuit is 40.38 A.

(c) The value of the electric current passing through the resistor of 1.0 Ohm is 21 A.

(d) The power dissipated through the 8.0 Ohm resistor is 55.13 W.

The equivalent resistance of the circuit is calculated as follows;

1/R = 1/(1 + 1) + 1/(2 + 2 + 2) + 1/(6) + 1/(2) + 1/8 + 1/8 + 1/6 + 1/6

1/R = 1/2 + 1/6 + 1/6 + 1/2 + 1/8 + 1/8 + 1/6 + 1/6

1/R = 1 + 2/3 + 1/4

1/R = 23/12

R = 12/23

R = 0.52 ohms

V = IR

I = V/R

I = 21/0.52

I = 40.38 A

V = IR

I = V/R

I = 21/1

I = 21 A

P = V²/R

P = (21)²/8

P = 55.13 W

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