When you get to the snow, you grab a handful to take back to the beach. However, by the time you get there, the snow has disappeared, and you are left with water dripping down your arm.
​

The greatest height reached by the ball is given by A(z) and the horizontal distance to the thrower's feet at this point is denoted as D.

The height from which the ball was thrown is represented as H. The horizontal distance to the thrower when the ball hits the ground is denoted as Dg.

The greatest height reached by the ball is A(z), and the horizontal distance to the thrower's feet at this point is D. The ball was thrown from a height of H.

The horizontal distance to the thrower when the ball hits the ground is Dg.

To find the greatest height reached by the ball, we need to analyze the function A(z). The horizontal distance D to the thrower's feet at this point can be determined by considering the horizontal component of the ball's motion.

To calculate the height from which the ball was thrown, we can use the initial condition or other given information.

Finally, to determine the horizontal distance Dg when the ball hits the ground, we need to analyze the ball's trajectory and identify the point at which its height becomes zero.

These calculations involve analyzing the ball's motion in both the horizontal and vertical dimensions, incorporating factors such as initial velocity, angle of projection, and gravitational acceleration.

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Answer:

The function of the digestive system is digestion and absorption. Digestion is the breakdown of food into small molecules, which are then absorbed into the body.

Explanation:I  hope it helped

The energy of the photon is approximately 0.263 fJ (femtojoules).

To find the energy of the photon, we can use the equation E = (h * c) / λ, where E represents energy, h is Planck's constant, c is the speed of light, and λ is the wavelength of the photon.

The speed of light is given as 3.00 × \(10^8\) m/s, so we don't need to make any conversions.

The given wavelength is 0.653 nm. To convert it to meters, we need to multiply it by a conversion factor. Since 1 nm is equal to 1 × 10^-9 meters, we can multiply 0.653 nm by 1 × \(10^-^9\) to get the wavelength in meters: 0.653 × \(10^-^9\)m.

Now, we can use the formula E = (h * c) / λ. Plugging in the values, we get:

E = (6.262 × \(10^-^3^4\) J·s * 3.00 ×\(10^8\) m/s) / (0.653 × 10^-9 m).

After simplifying the expression, we find:

E ≈ 0.263 fJ (femtoJoules).

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Answer:

Increasing the separation distance between objects decreases the force of attraction or repulsion between the objects.

Explanation:

Answer:

Explanation:The refractive index of a medium is the ratio of the speed of light in vacuum or air to the speed of light in that medium. In this case, we can calculate the refractive index of water as follows:

Refractive index of water = Speed of light in air / Speed of light in water

Refractive index of water = 3 x 10^8 m/s / 2.26 x 10^8 m/s

Refractive index of water = 1.33 (rounded to two decimal places)

Therefore, the refractive index of water is approximately 1.33.

Nuisance static charges are more likely to occur when the air is dry.

When the air is dry, it is not able to hold a sufficient amount of moisture or humidity. When the moisture content of the air is low, the air has a low electrical conductivity, which increases the likelihood of static charges.Static electricity can be created by the rubbing of two objects. When these objects are separated after rubbing, they are left with a static electric charge. The strength of the electric charge is determined by the materials used to create the two objects. Some materials are better at holding static charges than others.

Dry air only exacerbates the situation. Static charges can be a nuisance for a variety of reasons. They can cause shocks, interfere with electronic devices, and can even cause damage to sensitive equipment. In order to reduce the occurrence of static charges, it is important to ensure that the air in your environment is sufficiently humid. This can be achieved by using a humidifier or by simply placing bowls of water around the room. Additionally, anti-static products, such as sprays and mats, can be used to reduce the occurrence of static charges.

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Answer:

Sexually transmitted diseases are spread by direct contact with bodily fluids.

Explanation:

if you have a disease you can give it to someone by having sex because your fluids go into or either combine

Answer:

B

Explanation:

Answer:

gvvgbhnjnjgvfdxcfvgbhnjm

Explanation:

Answer:

A 1:3:2 the equation would become 1N2+3H2->2NH3

Explanation:

Answer:

a device for repeatedly generating static electricity by induction.

Explanation:

, the disk's angular velocity at 90 degrees is 3.14 rad/s, or around 0.503 rev/s.

Initial energy = 0

Final energy = mgR(1 - cosθ)

Conservation of energy tells us that these two energies are equal, so:

mgR(1 - cosθ) = (1/2)Iω^2

where I is the moment of inertia of the disk and ω is its angular velocity at θ = 90o.

The moment of inertia of a disk of radius R and mass M is I = (1/2)MR^2. Substituting this into the equation above and solving for ω, we get:

ω = sqrt(2gh/R)

= sqrt(2gR(1 - cosθ)/R)

= sqrt(2g(1 - cosθ)) (since R cancels out)

where g is the acceleration due to gravity. Plugging in the given values and using three significant figures, we get:

ω = sqrt(2(9.81 m/s^2)(1 - cos(90o)))

= 3.14 rad/s

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The kinetic energy is first at a maximum after approximately 3.67 seconds after t=0.

To determine the time when the kinetic energy is first at a maximum, we need to find the time at which the velocity of the object is at a maximum. The kinetic energy of an object undergoing simple harmonic motion is maximum when the velocity is maximum.

The equation for velocity as a function of time in simple harmonic motion is given by:

v(t) = Aω cos(ωt + φ)

where A is the amplitude, ω is the angular frequency, t is time, and φ is the phase constant.

In this case, the equation for position is x(t) = 2 sin((π/2)t + (π/6)), which is in the form x(t) = A sin(ωt + φ).

Comparing the two equations, we can see that ω = π/2.

The velocity equation becomes:

v(t) = (π/2)A cos((π/2)t + φ)

To find the time at which the velocity is maximum, we need to find when the cosine term is at its maximum value of 1. This occurs when (π/2)t + φ = 0 or (π/2)t + φ = 2π.

Solving for t, we get:

(π/2)t = -φ or (π/2)t = 2π - φ

t = (-2φ/π) or t = (4π - 2φ)/π

Since the phase constant φ in the given equation is π/6, we substitute this value into the equations:

t = (-2(π/6)/π) or t = (4π - 2(π/6))/π

t = -1/3 or t = 11/3

Therefore, the kinetic energy is first at a maximum at t = 11/3 seconds.

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Before the collision, the two balls' total momentum is

(1 kg) (+1 m/s) + (1 kg) (-1 m/s) = 0

After the collision, the combined balls have velocity v such that

(1 kg + 1 kg) v = 0

since momentum is conserved. Equivalently,

(2 kg) v = 0

It follows that v = 0, meaning after impact the balls are stuck together and motionless.

Nasa’s Orion spacecraft, which left earth last week, flew within 81 miles of the surface of the moon.

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Answer:

\(momentum = mass \times velocity \\ = 7.5 \times 1.6 \\ = 12 \: kg {ms}^{ - 1} \)

Mass is 7.5 kg

Velocity is 1.6 m/s

we know that,

momentum = mass × velocity

or; momentum =7. 5 kg × 1. 6 m/s

or; momentum = 12 kgms^1

0.2417 meters is the linear diameter of the object.

The linear diameter (in meters) of an object that has an angular diameter of 10 arcseconds and a distance of 50,000 meters can be calculated using the formula below:

Linear diameter = (angular diameter/206265) x distance

Given that the angular diameter is 10 arcseconds and the distance is 50,000 meters, we can substitute these values in the formula above to get the linear diameter:

Linear diameter = (10/206265) x 50000= 0.2417 meters

Therefore, the linear diameter of the object is 0.2417 meters.

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The maximum height of the arc through which the ball travels is 4 meters.

The horizontal velocity of the ball is given to be 16m/s.

As we know, the horizontal velocity is constant. Thus, it remains the same throughout the motion.

The vertical component of velocity can be found using the equation of motion:

v² = u² + 2as

Where u = initial velocity = 0, v = final velocity at the maximum height, a = acceleration due to gravity = 10m/s², s = distance traveled in the vertical direction (maximum height).

Putting these values, we get:

v² = 0 + 2 × 10 × s

⇒ v² = 20s -------(1)

Also, we know that at the highest point, the vertical velocity becomes zero. Thus,v = 0.

Putting this value in equation (1), we get:

0 = 20s

⇒ s = 0m or s = 4m

As s cannot be zero, the maximum height of the ball above the ground is 4 meters.

The maximum height of the arc through which the ball travels is 4 meters.

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The electric force experienced by the charged honeybee near the surface of the earth is approximately \($1.9 \, \mu \text{N}$\) ,  directed upward.

To solve the problem properly, we can use the formula for electric force:

\(\[ F = q \cdot E \]\)

where \(\( F \)\) is the electric force, \(\( q \)\) is the charge, and \(\( E \)\) is the electric field.

Given:

Charge of the honeybee, \(\( q = 19 \, \text{pC} = 19 \times 10^{-12} \, \text{C} \)\)

Electric field near the surface of the earth, \(\( E = 100 \, \text{N/C} \)\)

Substituting the values into the formula:

\(\[ F = (19 \times 10^{-12} \, \text{C}) \cdot (100 \, \text{N/C}) \]\)

Calculating the electric force:

\(\[ F = 1.9 \times 10^{-9} \, \text{N} \]\)

Therefore, the electric force experienced by the charged honeybee near the surface of the earth is approximately \(\( 1.9 \times 10^{-9} \, \text{N} \)\), directed upward.

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Answer:

The differences between the Florida's weasel and in Wyoming's is that I can see that in Wyoming it has a lot of snow so Wyoming's weasel fur is more thicker than Florida's weasel.

Explanation:

Overmore, in Florida's weasel the weasel's fur is much more less then Wyoming's weasel's fur. Subsequently, their fur color is very different. In Wyoming's weasel fur, it's white fur help them blend in the snow. In Florida's weasel fur, it's brown and help blend in the grass(soil).

Weasels are small animals with long tail. Their diet will change in each seasons and will causes consecutive changes in body weight also.

The changes occurs in a living body or in a material with respect to different seasons is called seasonal changes.Weasels have coats that change from light brown to white in the winter. They are also known as ermines or short-tailed weasels.

In both the spring and the fall, the hue of their bodies changes, starting at their belly and moving outward. Long-tailed weasels and other species may also turn at least partially white.

The hue shift is caused by daylight duration rather than temperature. Weasels may therefore appear dazzling white in the winter against a brown environment before snow begins to fall. This makes them easy prey for larger predators like foxes, martens, and badgers during milder winters.

These little creatures eat a lot. Winter weasels forage often and consume roughly 40% of their body weight each day. Winter weasels have coats that change from light brown to white in the winter.

These pests, which can weigh as little as two ounces, are vicious and may attack prey that is larger than themselves. Weasels have excellent senses and are highly nimble. Because of this, they are difficult to catch and remove, both for humans and for predators.

Weasels are a sign of a healthy population of rodents or other prey on a property in the winter. The pests frequently reserve a portion of their meals for later.

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answer: c

explanation: it's job is to store and release charge

Answer:

C- It stores and releases charge

The weight of a peanut butter will be same as it is on earth, which means weight will be 12 N.

Weight is nothing but a force of gravity applied on the object.

The amount of force is = mg = W .

where, m = mass of the object and g is the acceleration due to gravity.

In this expression of weight, g depends on mass and radius of planet.

So, g' is the acceleration on another planet

g' = \(\frac{G M}{R^{2} }\)

putting the values, we get

g' = \(\frac{G 4Me}{(2Re)^{2} }\)   =  \(\frac{G 4Me}{4Re^{2} }\)  =  \(\frac{G Me}{Re^{2} }\)  = g (acceleration due to gravity)

Here we see that g' on another planet is same as g which is the acceleration due to gravity.

So weight will be as "mg" , same as on earth.

Hence the weight of a jar of peanut buffer will be 12 n.

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Answer:

i think about 225-250 million years

Explanation:

Bottom line: The planets in our solar system orbit (revolve) around the sun, and the sun orbits (revolves) around the center of the Milky Way galaxy. We take about 225-250 million years to revolve once around the galaxy's center. This length of time is called a cosmic year.

Astronomers use the luminosity of the Sun as the reference to denote the luminosity of stars. Luminosity is a measure of the total amount of energy emitted by a star per unit time.

Since the Sun is the closest star to Earth and is well-studied, its luminosity is known and has been used as a standard for comparing the luminosities of other stars. The Sun has a luminosity of about 3.828 x 10^26 watts, which is often referred to as one solar luminosity.

This unit is used to describe the luminosity of stars that are more or less luminous than the Sun. For example, a star with a luminosity of 10 solar luminosities emits 10 times more energy than the Sun. Therefore, using the solar luminosity as a reference allows astronomers to compare the brightness and energy output of stars across the universe.

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Given:

The distances are,

The sample emits

To find:

The counts per second when the detector is 10 meters from the sample

Explanation:

The number of particles detected per sec and the distance between the source and the detector is related as,

So, we can write,

Substituting the values we get,

Hence, the required count is 20 per second.

Answer:

C hope it helps

call the client and inform her that she was incorrectly charged.

Answer:

The answer is C. call the client and inform her that she was incorrectky charged

Explanation:

Answer:

I can not see the image, so i will answer in a general way.

As you know, the sound behaves like a wave, this means that the sound needs some time to cover a given distance. An example of this motion can be seen when you drop a little stone in water, and you can see how the waves expand.

This means that the one who will hear the sound first, will be always the one that is closer to the source of the sound, in this case, the sound comes from the ball hitting the backboard, then the one who is closer to the backboard will hear the sound first.

The horizontal distance travelled by the football is 3.1 m.

The angle of projection of the football is calculated as follows;

tan ( θ ) = Vy / Vx

where;

tan ( θ ) = 5 / 3

tan ( θ ) = 1.667

θ = arc tan (1.667)

θ = 59⁰

The resultant velocity of the ball is calculated as follows;

v = √ (Vx² + Vy²)

v = √ (3² + 5²)

v = 5.83 m/s

The horizontal distance travelled by the football is calculated as follows;

x = v² sin(2θ) /g

where;

x = [ (5.83)² sin(2 x 59) /9.8 ]

x = 3.1 m

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The nomenclature of "high side" and "low side" in an electric circuit originates from the early assumption made by researchers that positive charges were the moving charge carriers.

According to this assumption, positive charges would flow from a region of higher potential (voltage) to a region of lower potential.

In an electric circuit, the potential difference (voltage) exists between two points, creating a potential gradient. The point with higher potential is referred to as the "high side," while the point with lower potential is referred to as the "low side."

Since positive charges were initially believed to be the moving charges, they were assumed to flow from the high side (higher potential) to the low side (lower potential). This convention was established based on the direction of current flow according to the initial understanding of charge carriers.

However, with the development of knowledge in the field of electricity, it was later discovered that electrons are the actual charge carriers in most common conductors, and they flow in the opposite direction to the assumed positive charge flow. Despite this discovery, the convention of using "high side" and "low side" has been retained for the sake of historical continuity and convenience.

Therefore, the nomenclature of "high side" and "low side" in electric circuits is a remnant of the early assumption made by researchers about the direction of positive charge flow, even though the actual flow of electrons is in the opposite direction.

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1. BaCl2+K2SO4⇒BaSO4+KCl

2. Na+FeCl3⇒Fe+NaCl

Given

Word equation

Required

Skeleton equation

Solution

A chemical reaction can be expressed in terms of:  

The skeleton equation is still in unbalanced form  

So only chemical formulas of reactants and products and the relative amounts of the reactants and products are not included

For example :

• word equation

Ethane + Oxygen ⇒ Carbon dioxide + Water

• skeleton equation

C₂H₆ + O₂ ⇒ CO₂ + H₂O

• balanced equation

2C₂H₆ + 7O₂ ⇒ 4CO₂ + 6H₂O

1.

word equation

barium chloride ____ + potassium sulfate ____ → barium sulfate _____ + potassium chloride _____

skeleton equation

BaCl2+K2SO4⇒BaSO4+KCl

2.

word equation

sodium+iron(III) chloride→iron+sodium chloride

skeleton equation

Na+FeCl3⇒Fe+NaCl

Answer:

Tim has a higher potential energy than Joe.

Explanation:

The higher an object or an organism is, the more potential energy it has