which of the following is not an example of matter? choose all that apply. group of answer choices a dust particle a pencil eraser heat from a burning candle a balloon full of helium

the answer is 0.693m.

step by step explanation:

The speed of sound, the frequency and the wavelength is related by the equation:

v= f λ

speed of sound is v=340ms⁻¹

frequency is f=490Hz

wavelength is λ= v/ f

λ=340/490

λ=0.693m

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Answer:

38

Explanation:

76 divided by 2 =38

The amount of compression the femur can withstand before breaking can be calculated using the following formula:

Compression = Young's Modulus x Length / \((3 x 10^8)\)

Using the given values, the amount of compression is calculated to be 8.97 mm.

To further explore this topic, you may want to learn more about Young's Modulus, which is a measure of the stiffness of a material. You can also learn about the different ways that compression can affect bones, such as by causing them to become more brittle, or increasing the risk of fracture.

Additionally, you can learn about the different types of fracture, such as compression fractures and stress fractures, and how they are treated. Finally, you can explore the effects of different types of loading on bones, such as the impact of compressive forces and the effects of repeated loading.

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The formula for calculating the orbital speed of the eqrth as it orbits the sun is expressed as

Where

G is the gravitational constant whose value is 6.673 x 10^- 11 Nm^2/kg^2

M is the mass of the central body about which the satelite orbits

R is the ardius of orbit of the satelite

From the information given,

M = 1.99 x 10^30 kg

R = 1.496 x 10^11

By substituting these values into the formula, we have

The orbital speed of the Earth, in m/s, as it orbits the Sun is 29793.48 m/s

Answer:

reactants --> products + thermal energy

Explanation:

Heat is absorbed in endothermic reaction.

Answer:

the direction of motion of the pulse

The melting of all known ice on Mars would result in a significant amount of water, enough to cover the planet with a three-kilometer-deep layer. This discovery has potential implications for future Mars exploration and understanding the history of water on the planet.

If all the ice now known on Mars were to melt, it would represent enough water to fill three paragraphs. However, if you are looking for a more precise measurement, scientists estimate that the amount of water stored in the Martian ice caps is equivalent to about 1.6 million cubic kilometers or 385 million cubic miles. This is roughly 10 times the volume of Lake Superior, the largest freshwater lake in the world by surface area. If all the ice currently known on Mars were to melt, it would represent enough water to fill a global layer approximately three kilometers deep. This estimate is based on the observation of ice deposits found on the Martian poles and underground.

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Answer:

yes

Explanation:

All Motion is relative to a reference point. Object appears to move whether object moves, the reference point moves, or both move. is the distance traveled by an object over the period of time in which it moved. Ex - a racecar driver completes a three-mile lap in 60 seconds.

The statement "All Motion is relative to a reference point." is True.

An inertial frame of reference is a frame of reference in which the Newton's laws are valid. In this frame of reference, the objects do not accelerate without any external force. All frames of reference moving with constant velocity are considered stationary.

In a non-inertial frame of reference, the Newton's laws will not work. They are moving with an acceleration.

All Motion is relative to a reference point. Object appears to move, the reference point moves, or both move is the distance traveled by an object over the period of time..

Thus, the statement "All Motion is relative to a reference point." is True.

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The net force on the box perpendicular to the floor is

∑ F[perp] = F[normal] - mg = 0

where mg is the weight of the box. Then

F[normal] = mg = 147 N

so that

F[friction] = 0.3 F[normal] = 44.1 N

The net force parallel to the floor is

∑ F[para] = F[applied] - F[friction] = ma

where a is the acceleration of the box. Then

F[applied] = (15 kg) a + 44.1 N

Then the work done by the applied force is

W[applied] = ((15 kg) a + 44.1 N) (1 m) = (15a + 44.1) J

We can't find the exact amount of work without any more information. If the box is pulled with constant speed, then a = 0 so the work would be 44.1 J.

If the amplitude of the oscillation of a weight which is suspended from a spring is doubled, the period will: A. remain same.

Amplitude can be defined as the maximum x-position of a simple harmonic motion (SHM) and it is typically denoted with the symbol (A).

During a simple harmonic motion (SHM), the spring would begin to oscillate between x = +A and x = -A, and it is modeled by this equation:

x(t) = Acos(2πt/T) = Acos(2ωt)

where:

Based on the equation, we can infer and logically deduce that the period of the oscillation of a weight which is suspended from a spring would remain the same, even when the amplitude of the oscillation of a weight which is suspended from a spring is doubled.

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Complete Question:

If the amplitude of the oscillation of a weight suspended from a spring is doubled, the period will:

A. remain same.

B. double.

C. halve.

D. increase by √2

Answer:

2.15ml

Explanation:

The formula for density is    D = m/v

Since we already have density and mass, we need to rearrange the equation to find the volume.

The rearranged formula is     V = m/D

V = 28g/13g/ml

The volume is 2.15ml

Therefore, the volume of a sample containing 3.90 mol of copper is approximately  2.7627 × 10⁻⁵ cubic meters (m³).

To calculate the volume (V) of a sample of copper with a given number of moles, we can use the following steps:

Calculate the mass (m) of the copper sample using the number of moles (n) and the molar mass (M) of copper:

m = n × M

In this case, the number of moles is given as 3.90 mol, and the molar mass of copper is 63.5 g/mol:

m = 3.90 mol × 63.5 g/mol

Convert the mass of the copper sample to kilograms:

m = (3.90 mol × 63.5 g/mol) / 1000

Use the density (ρ) of copper to calculate the volume (V) of the sample:

V = m / ρ

The density of copper is given as 8.92 × 10³ kg/m³:

V = [(3.90 mol × 63.5 g/mol) / 1000] / (8.92 × 10³ kg/m³)

Simplify the expression and calculate the volume:

V = (3.90 × 63.5 / 1000) / (8.92 × 10³)

V ≈ 2.7627 × 10⁻⁵ m³

Therefore, the volume of a sample containing 3.90 mol of copper is approximately 2.7627 × 10⁻⁵ cubic meters (m³).

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Answer:

741.56 million km

There are 1,048,576 possible outcomes (microstates) when flipping 20 fair coins. The probability of getting the sequence "HTHHTTTHTHHHTHHHHTHT" in exactly that order is approximately 9.5367e-07.

a) There are 2 possible outcomes (heads or tails) for each coin flip, and since there are 20 coin flips, the total number of possible outcomes, or microstates, is given by 2²⁰

Answer: 2²⁰= 1,048,576 possible outcomes.

b) To calculate the probability of getting the sequence "HTHHTTTHTHHHTHHHHTHT" in exactly that order, we need to determine the probability of obtaining each individual outcome (head or tail) and multiply them together.

Since each coin flip is independent and has a 1/2 chance of resulting in either heads or tails (assuming the coins are fair), the probability of obtaining the desired sequence is (1/2)²⁰

Answer: (1/2)²⁰≈ 9.5367e-07

c) To calculate the probability of getting exactly 12 heads and 8 tails in any order, we need to determine the number of ways to arrange 12 heads and 8 tails within the 20 coin flips.

This can be calculated using the binomial coefficient, also known as "n choose k." The formula for the binomial coefficient is:

C(n, k) = n! / (k! * (n-k)!)

Where n is the total number of coin flips and k is the number of heads.

Using this formula, the probability can be calculated as follows:

P(12 heads and 8 tails) = C(20, 12) * (1/2)^20

Calculating C(20, 12):

C(20, 12) = 20! / (12! * (20-12)!)

          = 20! / (12! * 8!)

          = (20 * 19 * 18 * 17 * 16 * 15 * 14 * 13) / (8 * 7 * 6 * 5 * 4 * 3 * 2 * 1)

          = 125,970

P(12 heads and 8 tails) = 125,970 * (1/2)^20

Answer: P(12 heads and 8 tails) ≈ 0.12013435364 (approximately)

a) There are 1,048,576 possible outcomes (microstates) when flipping 20 fair coins.

b) The probability of getting the sequence "HTHHTTTHTHHHTHHHHTHT" in exactly that order is approximately 9.5367e-07.

c) The probability of getting exactly 12 heads and 8 tails in any order is approximately 0.12013435364.

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Answer:

10m/s^2

Explanation:

Newton's second law:

F=ma

100=10×a

a=10m/s^2

Explanation:

this might help you i think so

Answer: Green Light

Explanation:

The color green has a higher frequency than the color red and the higher the frequency the more energy. If you looks at a rainbow you'll see red on one end and violet on the other. Red has the least energy Violet has the most.

answer:

the electromagnetic force

explanation:

Answer:

here's the answer to your question

Answer: Weak nuclear forces are involved when certain types of atoms break down. Strong nuclear forces are responsible for holding atoms' nucleus together.

Answer: The answer is: D) as the moon revolves around earth, the different amounts of the sunlit side faces earth.

Explanation: I have my ways ;>

Have a great day!

-Sunny

Yes, a machine can multiply force and it can multiply distance,but not multiply energy.

A machine can increase force and it can duplicate distance. Be that as it may, it can't duplicate info energy since this would abuse the law of conservation of energy.

Both force and distance can be duplicated by a machine. Be that as it may, it can't duplicate the energy input in light of the fact that doing so would be illegal of energy conservation.

What other number is diminished, and by how much, when a machine increases force by an element of four? One-fourth of the distance remains. A switch's end encounters a 50 N force and is moved a foreordained distance. The piece or level of the result partitioned by the info is a critical determinant of a machine's convenience.For example, a regular electrical transformer has an effectiveness of 95-98%. (I have considered transformer since pretty much every family hardware has a transformer in it)

While utilizing a standard versatile charger (which incorporates a transformer), misfortunes can be decreased by disengaging or switching off the charger's fitting since, in any event, when no cell phone is connected, there will be a few misfortunes in the transformer assuming the charger is turned on. This is the reason for a charger warming up in any event, when there is no telephone connected.

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The molar solubility of La(IO₃)₃ in pure water is approximately 1.0 × 10⁻⁴ mol/L.

The molar solubility of a compound refers to the maximum amount of the compound that can dissolve in a given solvent at a specific temperature, typically expressed in moles per liter (mol/L). To determine the molar solubility of La(IO₃)₃ in pure water, we can use the given value of the solubility product constant (Ksp) for La(IO₃)₃, which is 1.0 × 10⁻¹¹.

La(IO₃)₃ dissociates into La³⁺ and IO₃⁻ ions in water. Let's assume x mol/L represents the molar solubility of La(IO₃)₃. According to the balanced chemical equation, one mole of La(IO₃)₃ produces one mole of La³⁺ ions and three moles of IO₃⁻ ions.

Therefore, the solubility product expression for La(IO₃)₃ is:

Ksp = [La³⁺][IO₃⁻]³

Since the concentration of La³⁺ ions is equal to the molar solubility (x) and the concentration of IO₃⁻ ions is three times the molar solubility (3x), we can substitute these values into the Ksp expression:

Ksp = (x)(3x)³

1.0 × 10⁻¹¹ = 27x⁴

Solving for x, we find:

x ≈ 1.0 × 10⁻⁴ mol/L

Therefore, the molar solubility of La(IO₃)₃ in pure water is approximately 1.0 × 10⁻⁴ mol/L.

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The distance x is 10 m.

To find the distance x, we can use the conservation of mechanical energy. The total mechanical energy (E) is constant and is the sum of kinetic energy (KE) and potential energy (PE) stored in the spring.
E = KE + PE

At the mean position (spring's natural length), the block has maximum speed and no potential energy stored in the spring.

E = (1/2)mv^2 + 0
E = (1/2)(5 kg)(10 m/s)^2
E = 250 J

When the block comes to an instantaneous rest, its kinetic energy is 0, and the potential energy stored in the spring is maximum.

E = 0 + (1/2)kx^2

Using the conservation of mechanical energy:

250 J = (1/2)(5 N/m)x^2

Now, we solve for x:

x^2 = (2 * 250 J) / (5 N/m)
x^2 = 100 m^2
x = 10 m

Therefore, the distance x from the Mean position is 10.0 m.

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Fahrenheit  =  85.6°F

Celsius  =  (5/9) (Fahrenheit - 32)

Celsius  =  (5/9) (85.6 - 32)

Celsius  =  (5/9) (53.6)

Celsius  =  29.78°C

Kelvin  =  Celsius + 273.15

Kelvin  =  29.78 + 273.15

Kelvin  =  302.93K  

The melting point of a solid is the temperature at which it transforms into a liquid under atmospheric pressure. At this time, both the liquid and solid states coexist peacefully. The Celsius temperature is 29.78°C and that of Kelvin is 302.93K.

The typical definition of the melting point is the temperature at which a substance transforms from a solid to a liquid. The melting point of a liquid is the temperature at which the liquid transforms from a solid to a liquid under atmospheric pressure.

Melting is the process of a solid changing from a solid to a liquid when heated to a specific temperature.

Celsius  =  (5/9) (Fahrenheit - 32)

Celsius  =  (5/9) (85.6 - 32)

Celsius  =  (5/9) (53.6)

Celsius  =  29.78°C

Kelvin  =  Celsius + 273.15

Kelvin  =  29.78 + 273.15

Kelvin  =  302.93K  

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Given,

The image distance, v=17.22 cm

The focal length of the lens, f=3.05 cm

From the thin lens formula,

Where u is the object distance.

On rearranging the above equation,

On substituting the known values,

Thus the object distance should be 3.71 cm