a platinum bar measures 5.0 cm long, 4.0 cm wide and 1.5 cm thick. it has a mass of 700.0 grams

Answer:

Wouldn't it be the muscles in your arms or legs since they have to push the most while they have gravity acting upon them?

Explanation:

Answer:

The correct answer is option C.

Explanation:

The layer below the lithosphere , the upper layer of the mantle of the earth with high heat pressure .It is made up of almost solid rocks but also flows not which indicates that it consist of viscoelastic fluid of molten rocks.This is because in some regions there can be presence of molten rocks.

Answer:

C.

Explanation:

Answer:the answe is a

Explanation:

Answer:

The Answer A

Explanation:

Final answer:

Both concave (diverging) and convex (converging) lenses can produce virtual images; concave lenses always create a smaller virtual image, while convex lenses do so when the object is closer than the lens's focal length.

Explanation:

A virtual image is formed when the light rays coming from an object appear to diverge after passing through a lens. A virtual image is one where the rays only seem to have crossed behind the lens, and this image cannot be projected onto a screen as it doesn't exist at a point in space where light actually converges. There are two types of lenses that can produce virtual images. A concave lens, also known as a diverging lens, always produces a virtual image that is smaller than the object. On the other hand, a convex lens or converging lens can produce a virtual image when the object is placed at a distance less than its focal length (d° < f), in which case the virtual image is larger than the object. In summary, both concave and convex lenses can produce virtual images under specific conditions.

It would be C bc you do 12/4 so 3 waves per second

[tex]\text{Hey there!}[/tex]

[tex]\text{If 12 waves pass a point in 4 seconds, the frequency of vibration is:}[/tex]

[tex]\text{In order for you to find out the frequency of vibration, you have to\underline{ DIVIDE} 12 from 4}[/tex]

[tex]\frac{12}{4}\ = \frac{12\div4}{4\div4}\ = 12\div4=3 \ \rightarrow4\div4=1[/tex]

[tex]\text{3}\div\text{1 = 3}[/tex]

[tex]\boxed{\boxed{\text{Answer: C.) 3}}}\checkmark[/tex]

[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{LoveYourselfFirst:)}[/tex]

You're talking about a grain of sand or a stone or a rock that's drifting in space, and then the Earth happens to get in the way, so the stone falls down to Earth, and it makes a bright streak of light while it's falling through the atmosphere and burning up from the friction.

-- While it's drifting in space, it's a meteoroid.

-- While it's falling through the atmosphere burning up and making a bright streak of light, it's a meteor.

-- If it doesn't completely burn up and there's some of it left to fall on the ground, then the leftover piece on the ground is a meteorite.

Answer: humans, oxygen, food. Or if you taking about space, there are planets, stars, and galaxys.

Explanation:

I hope this helps!! Can I be brainliest I’ve never before!

Answer:

humans, oxygen, planets

Explanation:

I’m not completely sure but if I had to guess I would say lithium oxide

In an ionic compound's chemical formula, the positive ion (or cation) is written first, followed by the negative ion (or anion).

Ionic compounds are formed when positively charged ions (cations) and negatively charged ions (anions) come together due to electrostatic attraction. In the chemical formula of an ionic compound, it's customary to write the cation (positive ion) first and the anion (negative ion) second.

For example, let's take the compound "Sodium Chloride" (table salt). Sodium (Na) is the cation, which has a positive charge, and chloride (Cl) is the anion, which has a negative charge. In the chemical formula for sodium chloride, the positive ion (Na) is written first, followed by the negative ion (Cl). The formula is NaCl.

So, when presented with options A, B, C, and D, the correct choice is A, as it aligns with the convention of writing the name of the positive ion first in the chemical formula of an ionic compound.

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Answer:

zero

Explanation:

a stationary object remains stationary if the sum of the forces acting upon it - resultant force - is zero. A moving object with a zero resultant force keeps moving at the same speed and in the same direction. The normal force is always equal in magnitude and opposite in direction to gravity.

Answer:

It will move away from the large ball because like charges repel.

Explanation:

Electric force is the force that pushes apart two like charges, or that pulls together two unlike charges. The basic law of electrostatics Like charges of electricity repel each other, whereas unlike charges attract each other. When small, positively charged ball is moved close to a large, positively charged ball it would be pushed away from the large positively charged ball since they are both positively charged. One has to put in energy to try to move the small ball closer to the large ball. The closer one try to move it to the large ball, the more energy one has to put in, so the more electrical potential energy the small ball would have.

Answer:

It will move away from the large ball because like charges repel.

Explanation:

Because both of them are "like" charges they will repel and so the other answers are wrong

Answer:

Waves interact in a very unique way with the water. Waves often line up parallel to the water surface due to refraction of waves. The parallels depends on the angle from where the waves are hitting the water.

If the waves are coming from deep down the ocean at an angle to the surface, they will most probably refract towards the shallower part of the water and curve around which makes them even more parallel to the surface of water.

Using more wire loops

Answer:

using more wire loops.

Explanation:

When there is a change in magnetic flux linked with a coil changes, an emf is induced in the coil. This phenomenon is called electromagnetic induction.

the amount of induced emf developed is

[tex]e = \frac{d\phi }{dt}[/tex]

If there are N number of turns in the coil, then induced emf is given by

[tex]e = N\frac{d\phi }{dt}[/tex]

Induced current is given by

i [tex]i = \frac{e }{R}[/tex]

So, as number of turns increases, the current produced is also increases.

Answer:

≅6.5Ω

Explanation:

In the series resistor circuit, the electric current flows only one path. In the parallel resistor circuit, the current divides and circulates through several paths. These resistances are joined by their two extremes.

The equivalent resistance of a resistor circuit in parallel is equal to the reciprocal of the sum of the inverse of the individual resistors.

For the general case with "n" resistances in parallel the formula is:

[tex]\frac{1}{R_{n} }=\frac{1}{R_{1}}+ \frac{1}{R_{2}} +\frac{1}{R_{3}}+....\frac{1}{R_{n} }[/tex]

Solving for R1 = 7ohm and R2 = 93ohm

[tex]\frac{1}{R_{n} }=\frac{1}{7ohm}+ \frac{1}{93ohm}}[/tex]

[tex]\frac{1}{R_{n} }=0.143ohm+0.011ohm\\\frac{1}{R_{n} }=0.154ohm\\R_{n}=\frac{1}{0.154} ohm\\R_{n}=6.503ohm[/tex]

.

Answer:

X rays, gamma rays, alpha particles, and beta particles are ionizing radiation

The form which is not ionizing radiation is infrared light

Ionizing radiations are higher energy radiation capable of ionizing an electron in an atom or molecule.

Examples include:

Non-ionizing radiations are electromagnetic waves with a lower energy and they are not capable of ionizing electrons in atoms or molecules.

Examples include:

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Final answer:

The velocity at which the softball must be moving to equal the momentum of the baseball is 12.30 m/s.

Explanation:

To find the velocity at which the 0.53 kg softball must be moving to equal the momentum of the 0.31 kg baseball, we can use the equation for momentum:

Momentum = mass × velocity

First, let's find the momentum of the baseball:

Momentum of baseball = 0.31 kg × 21 m/s = 6.51 kg·m/s

Now, we can set the momentum of the softball equal to the momentum of the baseball and solve for its velocity:

Momentum of softball = 6.51 kg·m/s

0.53 kg × velocity = 6.51 kg·m/s

velocity = 6.51 kg·m/s / 0.53 kg = 12.30 m/s

Therefore, the softball must be moving at a velocity of 12.30 m/s to equal the momentum of the baseball.

Answer:

D)   Some of the light passes through, and some of the light is absorbed or scattered by the object.

Explanation:

When light strikes translucent materials, only some of the light passes through them. The light does not pass directly through the materials. ... When light strikes an opaque object none of it passes through. Most of the light is either reflected by the object or absorbed and converted to heat.

(I googled it) ☺

Answer:

D

Explanation:

Its the answer on my usatestprep

Answer:

The weight of the object

Explanation:

The downward pull on an object due to gravity is equal to the weight of the object, which is given by

[tex]W=mg[/tex]

where

m is the mass of the object

g is the acceleration due to gravity (on Earth surface, g=9.8 m/s^2)

The weight is a force so it is measured in Newtons (N).

Note that while the mass of an object (m) depends only on the properties of the object, so it does not depend on the location, the weight of the object depends on the value of g, which can change depending on the location (for instance, on the Moon g is 1/6 of the value on Earth), so the weight is not constant.

Gravity is the pulling force on the skydiver while air resistance is the pushing force. If there were no air resistance, the skydiver would fall straight to the ground and may not have enough time to pull the parachute, and if there were no gravity, the skydiver would probably just float in place (weird, right?) The force of gravity is stronger than the air resistance, however. That's why the skydiver will fall out of the plane toward the ground. Once the parachute is deployed, there is more area for air resistance to take hold. The parachute will slow the skydiver to make for a much safer landing.

I hope this helps you!

Answer:

Explanation:

Mass media refers to the technology that it's destined to mass audience, it comprehend the principal mean of communication for the majorities. Mass media could be: newspaper, radio, television, magazines and the biggest of all, the internet.

Among all these mass medias, the internet is the biggest one, because there we have social media, which is mass media specially designated to socialize.

Therefore, the give statement is true, mass media is a form of socialization.

Mass media plays a significant role in socialization. Mass media refers to various forms of communication, such as television, radio, etc The correct statement is true.

Mass media plays a significant role in socialization. Mass media refers to various forms of communication, such as television, radio, newspapers, magazines, and the Internet, that reach a large audience.

Mass media acts as a powerful socializing agent, transmitting societal norms, ideologies, and cultural messages to a wide audience. It helps shape collective identities, social norms and influences how individuals perceive and understand the world around them.

The statement is true.

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Answer:

= 1.7 Joules

Explanation:

The electrical potential energy is given by;

P.E = 1/2 ke²

Where, k is the spring constant, e is the extension

Therefore;

Electrical potential energy = 1/2 × 113 N/m × 0.03 m

                                           =  1.695 Joules

                                           = 1.7 J

Answer:

0.051 J

Explanation:

K = 113 N/m

y = 0.03 m

The elastic potential energy of the system is given by

U = 1/2 K y^2 = 0.5 x 113 x 0.03 x 0.03 = 0.051 J

Answer:

-272 m/s, 8.03 m/s²

Explanation:

Let's call position 0 the point where the two spacecrafts meet.  Let's say spacecraft #1 starts x units to the left of 0 and spacecraft #2 starts 13500-x units right of 0.

For spacecraft #1:

v = 0 m/s

v₀ = 525 m/s

a = -15.5 m/s²

x = 0 m

x₀ = -x

The distance that spacecraft #1 travels is:

v² = v₀² + 2a(x - x₀)

(0 m/s)² = (525 m/s)² + 2(-15.5 m/s²)(0 m − -x)

0 = 275625 − 31x

x ≈ 8891 m

The time it takes to reach 0 velocity is:

v = at + v₀

0 m/s = (-15.5 m/s²) t + 525 m/s

t ≈ 33.87 s

For spacecraft #2:

v = 0 m/s

x = 0 m

x₀ = 13500-x ≈ 4609 m

t = 33.87 s

Using the same equations:

v² = v₀² + 2a(x - x₀)

(0 m/s)² = v₀² + 2a(0 m − 4609 m)

0 = v₀² − 9218a

v = at + v₀

0 m/s = a(33.87 s) + v₀

0 = 33.87a + v₀

Now we have two equations and two variables.  We can solve the system of equations.

First, let's solve for a and substitute:

0 = 33.87a + v₀

a = -v₀ / 33.87

0 = v₀² − 9218 (-v₀ / 33.87)

0 = v₀² + 272 v₀

0 = v₀ (v₀ + 272)

v₀ = -272 m/s

Now we can find the acceleration:

a = -(-272) / 33.87

a = 8.03 m/s²

By utilizing the equations of motion, you can calculate the exact time it will take for the first spacecraft to come to rest and then apply this to find the acceleration needed for spacecraft#2 to stop in the same time. Additionally, using these equations, we can figure out the initial velocity of spacecraft#2.

To find the initial velocity and constant acceleration for spacecraft #2, we can use the basic principles of physics. The equations of motion are our primary tool in this context, which state that the final velocity of an object is equal to its initial velocity plus acceleration multiplied by time, and the displacement of an object is equal to its initial velocity multiplied by time plus one-half of its acceleration multiplied by time squared.

If both spacecraft are to meet at the same time and come to rest (which means final velocity equals zero), then spacecraft#1 and #2 should cover half the distance each, i.e., 6750 m. Thus, we can use the first equation of motion for spacecraft #1 to find the time it takes for it to come to rest. If we calculate the time, we can use that to determine the constant acceleration required for spacecraft #2 to come to rest in the same time using the second equation of motion. Similarly, the initial velocity of spacecraft #2 can be obtained.

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Answer:

Half-Life is a first-person shooter that requires the player to perform combat tasks and puzzle solving to advance through the game. Unlike most of its peers at the time, Half-Life used scripted sequences, such as a Vortigaunt ramming down a door, to advance major plot points.

Explanation:

Answer: this might be to long

Explanation: The book begins by starting off with the life story of Willie Chandran's dad, in India. Willie Chandran's father was part of an affluent family with positions high up in the government, starting from when his grandfather first landed a job working for the king, which was then succeeded by that grandfather's son, which was finally supposed to be succeeded by Willie Chandran's dad. However, Willie Chandran's dad was not content with this bland life of government work in the tax office, despite the numerous promotions he was receiving on the basis of his father's name. He was even supposed to be married to the daughter of the principal at an extremely prestigious school. This too meant nothing to him. What really mattered was the independence movement taking place across the country, led by Mahatma Gandhi. Heeding the calls of Mahatma Gandhi, Willie Chandran's dad decided to break from his family's heritage and married a poor woman of low caste. This leads to the birth of Willie and his sister Sarojini.

This union led to a life of regret for Willie Chandran's dad and Willie. He grew up ashamed of his family background and despised his father for his character. Willie loved his mother but soon even that relationship started to distance itself. At 18, struggling with his sense of who he really was, he leaves India for London on a scholarship to study at a University. It was a scary life for him, completely foreign to the life he was used to. Willie had to change all his habits and manners, and make himself more snobbish and pompous to fit the style of behavior at the University. He was also confounded with a new sense of freedom and used that freedom to explore himself. Willie gains confidence and a few friends like Percy Cato, who try to help him conquer his own self-doubt through sexual adventures. He often falls for the girlfriends of his friends and is often agitated and unsure of himself. Throughout this process he captures the art of writing and publishes a book, a collection of short stories he wrote. After months he finally gets a response from a fan, a woman named Ana, and falls in love with her. Ana makes him feel confident and secure as she accepts him for who he is. Willie doesn't have to hide his background or personality and with no better option after his scholarship terminates, he marries Ana and moves to the Portuguese colony in Africa where Ana's grandfather had established a mighty estate house through his wealth.

When Willie arrives there, he knows he made a mistake. This life with Ana is not for him. But he stays for 18 years. 18 long and tumultuous years. Willie learns the language there and takes his role as head of the estate. He and Ana are in love but slowly we see this love wither away. They become friends with the nearby estate owners and seem like a great couple but a rift is slowly opening up between the two of them. Willie once more tries to find himself through his friends and various sexual adventures. It started off as a one-time thing but Willie slowly begins to repeatedly visit the places of pleasure. Even this leaves him feeling haunted and empty. He tries to go to the port city nearby and find something meaningful in his life but there is noting there for him. A new couple move in near Willie and Ana's estate house and Willie falls in love with the woman who moved there, Graca. He makes love to her many times but never sees her again after the guerrilla fighters kill Graca's husband. Life is unsteady and nobody knows how everything will pan out because of the war. Willie and Ana now sleep in separate bedrooms, but they do talk. Finally, at the age of 41, Willie slips on the front steps of the estate and in the hospital, tells Ana he wants a divorce. He felt like he had done nothing in his life, and lived a life that was not his own.

Answer:

In this reaction, sodium hydroxide (NaOH) disassociates into sodium (Na+) and hydroxide (OH-) ions when dissolved in water, thereby releasing OH- ions into solution. Arrhenius acids are substances which produce hydrogen ions in solution. Arrhenius bases are substances which produce hydroxide ions in solution.

The ions exist in base solutions is OH⁻ ions.

A basic solution is an aqueous solution containing more OH⁻ ions than H⁺ ions.

When NaOH as a solute is mixed into the solvent like water, it separates NaOH into Na+ and OH-. The sodium ions Na⁺ have little effect on the solution, but the hydroxyls OH⁻ ions makes the solution more basic.

Thus, NaOH form a basic solution by the presence of OH⁻ ions into it.

Learn more about basic solution.

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it sinks into the liquid

(e.g. water sinks under oil as it is more dense)

Answer: Thus, when an object has a density greater than that of the surrounding liquid then the object will sink into the liquid.

Explanation: Density is defined as mass per unit volume.

Mathematically, [tex]Density= \frac{mass}{volume}[/tex]        

This shows that density is proportional to mass of the object, that is, more is density more will be the mass of object.

Answer:>

Explanation:

All ionic compounds have high melting and boiling points

Answer:

They have one overall charge.

Explanation:

Answer:

Earthquakes

Explanation:

A Transform boundary is a fault that occur when two  tectonic plates slide sideways past each other.During the rubbing process, huge portions of rocks on both plates break to create fault lines resulting into earthquakes.The San Andrea Fault is was formed through a similar process.

Answer:

i think its D

Explanation:

Answer:

I wan to say that the answer is C

Explanation:

Answer:

1.3 m/s², 210 m

Explanation:

Average acceleration is change in velocity over change in time.

First, convert to SI units.

30. mph ≈ 13.4 m/s

60. mph ≈ 26.8 m/s

a = Δv / Δt

a = (26.8 m/s - 13.4 m/s) / 10.5 s

a = 1.28 m/s²

Rounded to 2 sig-figs, your acceleration is 1.3 m/s².

The distance traveled is:

x = x₀ + ½ (v + v₀)t

x = (0 m) + ½ (26.8 m/s + 13.4 m/s) (10.5 s)

x = 211 m

Rounded to 2 sig-figs, you and your date traveled 210 m.

Final answer:

The acceleration of the car was approximately 1.27728 m/s², and the distance traveled during the acceleration was approximately 211.69242 meters.

Explanation:

To calculate the acceleration, we can use the formula:

a = (Vf - Vi) / t

Where Vf is the final velocity, Vi is the initial velocity, and t is the time. Plugging in the values given, we get:

a = (60 mi/hr - 30 mi/hr) / 10.5s

To make the units consistent, we should convert the velocities from miles per hour to meters per second. Since 1 mi/hr is approximately equal to 0.44704 m/s, after conversion we get:

a = (26.8224 m/s - 13.4112 m/s) / 10.5s = 1.27728 m/s²

To find the distance traveled during acceleration, we use the formula:

d = Vi*t + 0.5*a*t²

Substituting the known values, we find:

d = 13.4112 m/s * 10.5s + 0.5 * 1.27728 m/s² * (10.5s)² = 140.8176 m + 70.87482 m

The total distance traveled by your date during the acceleration is approximately 211.69242 meters.

Final answer:

The period of a wave with a frequency of 387 Hz is found by taking the inverse of the frequency, which yields approximately 0.00258 seconds or 2.58 milliseconds.

Explanation:

The student has asked what the period of a wave with a frequency of 387 Hz is. The period (T) of a wave and its frequency (f) are inversely related. The relationship between period and frequency is given by the formula T = 1/f. So, to calculate the period of a wave with a frequency of 387 Hz, we divide 1 by the frequency.

T = 1/f = 1/387 Hz

When we do the calculation, we find that the period T is approximately 0.00258 seconds, or 2.58 milliseconds.

This concept is central to understanding wave dynamics and is used in various applications, including communications, engineering, and the sciences.

Answer:

Explanation:

The conversion factor on earth is 15200 / 200 = g

g = 78 but it certainly cannot be in m/sec^2. The question does not seem to be correct.

To continue, the mass on the moon is 200 kg. It would be the same on Mars or Jupiter or anywhere in the universe.

If g is 1/6 the value on the moon as on earth then

g_moon = 78 *(1/6)

g_moon = 13 and again, I cannot specify the units.