Does water boil at or over 100°C. At normal pressure. And i mean excatly 100°C not 100,00000000000000000000000000000000000000001°C.​

Answer:

called optically transparent.

Explanation:

Photons interact with an object by some combination of reflection, absorption and transmission. Some materials, such as plate glass and clean water, transmit much of the light that falls on them and reflect little of it; such materials are

The two example plots of potential energy as a function of position will be Simple Harmonic Oscillator Potential and Potential Well.

Potentials of the following kind can limit a particle to a certain region of space:

1) Simple Harmonic Oscillator Potential: This potential restricts the motion of an attached mass on a spring and restricts the vibration of a heterogeneous molecule about its mean location.

Consequently, an upward parabola will represent the plot for this function. The weak force that this potential energy represents is that. (In this case, the Restoring Force is in charge of changing the particle's potential energy.)

2) Potential Well: Particles are imprisoned in an area with less energy than the potential energy surrounding it, and as a result, they require energy to leave the system. Consequently, a particle Outside of this area of high potential, no assistance is possible.

Protons and neutrons are held within the boundaries of the nucleus by the Strong Nuclear Force, which has an exceptionally high potential. These subatomic particles are imprisoned inside this potential and are therefore unable to leave without assistance.

Potential will be in the form of

V(x)=0   for -L<x<L

V(x)=V   for x<-L and x>L

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See below.

The following are the guidelines for creating ray diagrams for the generation of an image by a concave mirror:

Rule 1: If the incident ray is parallel to the major axis, the reflected ray will pass through the concave mirror's focus.

The reflected ray is parallel to the principal axis if the incident ray passes through the focus of the concave mirror.

Rule 3: If the incident ray passes through the concave mirror's center of curvature, the reflected ray follows the same path.

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Compression of 0.664 meter will be produced in the spring with spring constant 200N/m before releasing the block.

According to the work-energy theorem, the spring elastic energy will be equal to the work done by the friction.

Spring elastic energy= (1/2)kx²

Work done by friction= μmgd

Therefore, from work-energy theorem:

(1/2)kx² = μmgd

where, mass of the block (m) = 5kg, friction coefficient (μ) = 0.30, distance (d) = 3.0m and spring constant (k) = 200N/m

(1/2) ×200× x² = 0.30 × 9.8 × 3

x² = 0.441 meter

x = 0.664 meter

Hence, 0.664 meter will be the compression in the spring before releasing the block.

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Answer: The pressure at the bottom : 19600 N/m²

Answer:

Potential gravitational energy is the energy that the body has due to the Earth's gravitational attraction. In this way, the potential gravitational energy depends on the position of the body in relation to a reference level.

Explanation:

The tennis ball is 2.15 metre above the court.

The tennis ball departs from the racket horizontally with a speed of 29m/s and it hits the court at a horizontal distance of 19.3 m from the racket.

The vertical height of the tennis ball before it leave the racket can be found by using the relation,

R = V√(2H/g)

Where,

R is the horizontal range,

V is the initial speed of the tennis ball,

H is the vertical height of the tennis ball from the court,

g is the gravitational acceleration.

Putting all the values,

We get,

19.3 = 29√(2H/9.8)

H = 2.15 m.

So, the height of the tennis ball is 2.15m

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Answer:

h = 384.4 m

t = 8.5 s

Explanation:

The firework will explode at the highest point. Because it would start to move downward at the highest point. Using 3rd equation of motion:

2ah = Vf² - Vi²

where,

a = acceleration due to gravity at that planet = -10.56 m/s²

h = maximum height = ?

Vf = Final velocity = 0 m/s (since, firework stops at highest point)

Vi = Initial Velocity = 90.1 m/s

Therefore,

2(-10.56 m/s²)(h) = (0 m/s)² - (90.1 m/s)²

h = 384.4 m

Now, we use 1st equation of motion:

Vf = Vi + at

0 m/s = 90.1 m/s + (-10.56 m/s²)(t)

t = 8.5 s

Answer:

Mining is the extraction of valuable minerals or other geological materials from the earth from an orebody, lode, vein, seam, or reef, which forms the mineralized package of economic interest to the miner. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, dimension stone, rock salt, potash, gravel, and clay.

Explanation:

Answer:

Three resources that are mined from earth's crust are:
-Coal
-Gold
-Iron ore

Some more are:
-Aluminum
-Copper
-Lime
-Phosphate rock
-Gypsum
-Sand
-Gravel
-Rock
etc.

Explanation:

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Answer:

323.4N

Explanation:

Given parameters:

Mass of the box = 33kg

Unknown:

Normal force on the body  = ?

Solution:

The normal force of a body is the vertical force the body exerts on another body.

It is expressed as;

        Normal force  = mass x acceleration due to gravity

Acceleration due to gravity  = 9.8m/s²

Normal force  = 33 x 9.8  = 323.4N

Answer:

Vector has magnitude and direction, scalar only has magnitude.

Answer:

A quantity that has magnitude but no particular direction is described as scalar. A quantity that has magnitude and acts in a particular direction is described as vector

When resistance, inductive reactance, and capacitive reactance are combined, they can produce complex effects on the flow of current through a circuit.

Resistance is the opposition to the flow of electric current through a circuit.

Inductive reactance is the opposition to the flow of current caused by the presence of inductors in the circuit.

Capacitive reactance is the opposition to the flow of current caused by the presence of capacitors in the circuit.

In a series circuit, the total opposition to the flow of current is the sum of the resistance, inductive reactance, and capacitive reactance. In a parallel circuit, the total opposition is determined by the reciprocal of the sum of the reciprocals of the resistance, inductive reactance, and capacitive reactance.

The combined effects of resistance, inductive reactance, and capacitive reactance can cause the circuit to behave differently depending on the frequency of the AC. At certain frequencies, the reactances can cancel each other out, leading to a condition called resonance, where the circuit exhibits high impedance to the AC. This can have practical applications in fields like electronics and communications, where resonance can be used to filter or amplify specific frequencies.

In conclusion, the combined effects of resistance, inductive reactance, and capacitive reactance can produce complex behaviors in circuits. By understanding these effects, engineers and technicians can design and troubleshoot circuits to ensure they operate as intended.

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Answer:

Actually the object with more mass with the same acceleration will need more force added on to it because it has more mass and more than likely more weight so will need that extra force to push it down the object with the least mass will go faster with the same force added

Explanation:

The formula for the volume of a cylinder is V = πr^2h, where r is the radius and h is the height. To find the radius of the cylinder, we first need to divide the diameter by 2: 134 ft / 2 = 67 ft. Therefore, the radius is 67 ft / 2 = 33.5 ft.

Now, we can plug in the values we know to find the volume:  V = π(33.5 ft)^2(459 ft) V = 2,121,474.7 ft^3 Rounding to the nearest whole number, the volume of the cylindrical hotel is approximately 2,121,475 cubic feet. To find the volume of the cylindrical hotel that is 42 stories high, with a height of 459 ft and a diameter of 134 ft, follow these steps:

Calculate the radius of the cylinder. Since the diameter is 134 ft, the radius (r) is half of that:  r = 134 ft / 2  r = 67 ft Use the formula for the volume of a cylinder, which is V = πr^2h, where V is the volume, r is the radius, and h is the height.
In this case, r = 67 ft and h = 459 ft.  Plug in the values into the formula:  V = π(67 ft)^2(459 ft) Calculate the volume:
  V ≈ 3.14159 × (67 ft × 67 ft) × 459 ft
  V ≈ 3.14159 × 4489 ft^2 × 459 ft
  V ≈ 3.14159 × 2061421 ft^3
  V ≈ 6480312.7 ft^3  Round the answer to the nearest whole number:
  V ≈ 6,480,313 ft^3 So, the volume of the cylindrical hotel is approximately 6,480,313 cubic feet.

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Answer: depends on what your nervous about

Explanation:tell me what your nervous about

Answer:

The graph of G(x) is the graph of F(x) shifted 1 unit to the left and 3 units down.

Explanation:

f(x + q) which is left q units

f(x - q) which is right q units

f(x) + q which is up q units

f(x) - q which down q nits

and

G(x) = F(x + 1) - 3

So,

f(x + 1) shifts to left 1 unit

f(x) - 3 shifts to down 3 units

So, the correct answer is B.

The graph of G(x) is the graph of F(x) shifted 1 unit to the left and 3 units down.

Answer:

the law states that unbalanced forces cause objects to accelerate with an acceleration that is directly proportional to the net force and inversely proportional to the mass.

Explanation:

The action that best describes the camera motion in the scenes directly prior to the Old Man's Defiant hand gesture is: "Zooming in and out" (Option C)

Some interesting camera motions are:

Note that the different camera motions described above are important because they allow filmmakers to convey mood and emotion, create visual interest, and guide the audience's attention within a scene.

For example, a static shot can create a sense of calm or stability, while a handheld shot can create a sense of intimacy or instability. A panning shot can follow the action and keep the audience engaged, while a zoom shot can draw attention to a specific part of the scene.

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Full Question:

What best describes the camera motion in the scenes directly prior to the old man's defiant hand gesture?

O Static and secured on a tripod

O Moving chaotically

O Zooming in and out

O Filming at 96 frames a second

Answer:

Explanation:

It 100 kg It think

Explanation:

show me the paper so that way i can answer your question

Answer: the answer is 4

Explanation:

Answer:

latent heat, also called the heat of vaporization

The form of electromagnetic radiation with the longest wavelength is radio waves.

Electromagnetic radiation is a form of energy that travels through space as both electric and magnetic waves that oscillate perpendicular to each other and to the direction of travel. Electromagnetic radiation includes a wide range of wavelengths, ranging from very short wavelengths, such as gamma rays, to very long wavelengths, such as radio waves.

Radio waves are a type of electromagnetic radiation with wavelengths longer than infrared radiation. They are used for communication, such as radio and television broadcasts, as well as for radar and navigation systems. Because radio waves have the longest wavelength among all forms of electromagnetic radiation, they have the lowest frequency and carry the least energy.

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A square loop of wire that encloses an area of 0.20 m² is in a uniform magnetic field of 0.10 t. The flux through the loop if its plane is at an angle of 62 degrees to the field is 1.8 × 10⁻² Wb.

The amount of magnetic field lines passing through a loop of area A which is tilted at angle θ from the field is defined as magnetic flux and is found by the below formula Φm = B A cos ⁡θ.

Given,

Area of the loop, A = 0.20 m² = 20 × 10⁻² m²,

Magnetic field, B = 0.10T,

As we know, Magnetic flux through a loop (Φm),

⇒ Φm = BA cos ⁡θ

⇒ Фm = 0.1 × 20 × 10⁻² × cos 62°

⇒ Фm = 2 × 10⁻² × 0.47

⇒ Фm = 1.8 × 10⁻² Wb.

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The statements that describe density are the statement 3 and statement 5.

Statement 3 is correct because density does not have a SI unit. It is derived from the units of mass and volume which are kg and m³ respectively. The unity of density is km / m³. Statement 5 is correct because if an object has lower density than the liquid in which it is present, the object will float.

Statement 1 is incorrect because density is a physical property. It provides a relationship between two physical properties i.e., mass and volume. Statement 4 is incorrect because density does not remain constant. When an object is heated its density decreases. Statement 4 is incorrect because density is mass divided by volume and not the sum between those two quantities.

Therefore, the statements that describe density are the statement 3 and 5.

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Answer:its the 2, 3, and 5th statement

Explanation:

Answer:

Im pretty sure its 11 m/s east because it is 22 m/s hitting 11 m/s and the force is harder hitting

Explanation:

im not 100% sure becasue i did this stuff a while ago

Answer: B

Explanation: It states they have the same mass so the eliminates the majority of the answers. Density = mass/volume so if sample A & B have the same mass but A is heavier that means A has more volume than sample B

Planets A, B and F are the outer planets.

Planets C, D and E are the inner planets .

What are outer and inner planets ?

Outer planets: These are four in number which are Jupiter, Saturn, Uranus and Neptune. The atmosphere of these planets are mainly made up from hydrogen and helium. These planets have many number of moons around them and they all have ring systems.

Inner planets: These are four in number which are Mercury, Venus, Earth and Mars. The atmosphere of these planets are made up from mixture of gases. Main gases are nitrogen and carbon dioxide. These planets have maximum moons of 2 around them and they does not have ring systems.

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Answer:

the pulley system is very efficient

Explanation:

Given;

load, L  = 250 N

distance moved by the load, a = 4.5 m

distance moved by the effort, e = 2.5 m

let the force or effort applied = F

Apply the principle of conservation of energy;

F x e = L x a

F = (L x a) / e

F = (250 x 4.5) / 2.5

F = 450 N

The efficient of the pulley system;

E = Output force / Input force

E = (450 x 2.5) / (250 x 4.5)

E = 1 = 100%

Therefore, the pulley system is very efficient