PLS HELP!!

The parabolic flight of an object is known as _______________.

Answer:

The formula is the form -

m λ = d sin Θ

As the wavelength λ is decreased sin Θ will also decrease.

One can see from the derivation that as the wavelength, being considered,

is decreased the dispersion will also decrease.

The  action that contributes to mid-ocean ridge formation is when the  tectonic plates move parallel to each other.

The correct option is B.

Tectonic plates are described as composing of the oceanic lithosphere and the thicker continental lithosphere, each topped by its own kind of crust.

The mid-ocean ridge forms due to volcanic activity located along the Earth's tectonic plates causing two tectonic plates to move or pull apart from each other creating a zone which is referred to as divergent plate boundaries.

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L5 is a language defined as the set of Turing machines that terminate when started on an empty tape. It is a member of Σ0. The answer is YES.

A language is a collection of words or strings that can be formed from a given alphabet set using a specific grammar. The language L5 is defined as the set of Turing machines that halt or stop when run on an empty tape. Σ0 is a set of all recursive languages.

A language L is recursive if there exists a Turing machine that can determine whether a string is in L or not. As the language L5 is a collection of all the Turing machines that halt on an empty tape, it can be determined by a Turing machine. Therefore, L5 is a recursive language and hence, it belongs to Σ0. Thus, the answer is YES.

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Answer:

1. rotation. 2. axis

Explanation:

The Earths rotation on its axis causes day and night

Answer:

time graph reveals pertinent information about an object's velocity. For example, a small slope means a small velocity; a negative slope means a negative velocity; a constant slope (straight line) means a constant velocity; a changing slope (curved line) means a changing velocity.

Answer:

the answer is in the pic below :)

Explanation:

Answer:

4 Ohms

Explanation:

Apply the formula:

Voltage = I (current) . Resistance

You can change it the way you want to use for your purpose.

In this case...

R = V/I

R = 12/3

R = 4 Ohms (Ohm is the unit of measurement of eletrical resistance)

Answer:

Mixture C (salt and sugar)

Explanation:

Both salt and sugar can dissolve in water. And you can't just separate the mixture by filtering it like you could in the other mixtures.

GREETINGS!

lightening usually strikes the metal pole and cables above the building because they provide a safe low resistance pathway to the lightening to move from building from the concrete steel to the ground below, thats how building doesnt get any damage and high electric charge passes through it

HOPE IT HELPS YOU!

Answer:

c

Explanation:

Have a nice day

answer is c

(c)

Explanation:

is (c)

it is c

Answer:

At the top of the roller coaster, there is a lot of potential energy. When it comes to the bottom, the roller coaster loses its potential energy and gains kinetic energy as it is going very fast here.

The kinetic energy of a roller coaster as it approaches its lowest point will be maximum and loses its potential energy.

The energy of the body by the virtue of its motion is known as the kinetic energy of the body. It is defined as the product of half of mass and square of the velocity.

According to the law of conservation of energy, the total energy is defined as the sum of kinetic energy and potential energy.

Total energy = kinetic energy+potential energy

Potential energy is due to the position.While the kinetic energy is due to the velocity.

There is a maximum potential energy at the top of the roller coaster. As it nears the bottom, the roller coaster loses potential energy and acquires kinetic energy due to the high speed.

Hence,the energy of the body by the virtue of its motion is known as the kinetic energy of the body

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The Earth's average density is 5.50 x \(10^3\) kg/\(m^3,\) which is option A.

We can use the formula for average density, P = M/V, to find the Earth's average density, where M is the mass of the Earth and V is its volume.

We are given that the mass of the Earth is 5.94 x\(10^24\) kg and its volume is 1.08 x \(10^{12} km^3\). However, we need to ensure that the units are consistent before we calculate the average density.

First, we convert the volume from km^3 to m^3 since the mass is given in kilograms:

V = 1.08 x\(10^{12} km^3\) x (\(10^3\) m/km)\(^3\) = 1.08 x \(10^{21} m^3\)

Now we can calculate the average density:

P = M/V = 5.94 x \(10^{24}\) kg / 1.08 x\(10^{21} m^3\) = 5.50 x \(10^3 kg/m^3\)

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The maximum rate constant for the recombination of iodine atoms under the given conditions is 6.4 x 10²³ 1/(m³·s). It significantly different from the experimental value of 8.2 x 10⁹ 1/(Ms).

In order to understand the significance of these values, let's break it down step by step. The critical distance for reaction, which is the distance at which the reaction becomes probable, is 2 x \(10^{-40}\) m. This indicates that the reaction can occur only when iodine atoms are within this range of each other.

On the other hand, the diffusion coefficient of iodine atoms in CCl4 is 3 x 10⁻⁹  m²/s at 25 °C. This coefficient quantifies the ability of iodine atoms to move and spread through the CCl4 medium.

Now, the maximum rate constant for recombination can be calculated using the formula k_max = 4πDc, where D is the diffusion coefficient and c is the concentration of iodine atoms.

Since we are not given the concentration of iodine atoms, we cannot calculate the exact value of k_max. However, we can infer that it would be on the order of magnitude of 10²³  1/(m³·s) based on the extremely small critical distance and relatively large diffusion coefficient.

Comparing this estimated value with the experimental value of

8.2 x 10⁹ 1/(Ms), we can see a significant discrepancy. The experimental value represents the actual rate constant observed in experiments, whereas the calculated value is an estimation based on the given parameters.

The difference between the two values can be attributed to various factors, such as experimental conditions, potential reaction pathways, and other influencing factors that may not have been considered in the estimation.

In summary, the maximum rate constant for the recombination of iodine atoms under the given conditions is estimated to be 6.4 x 10²³ 1/(m³·s). This value differs considerably from the experimental value of 8.2 x 10⁹ 1/(Ms), highlighting the complexity of accurately predicting reaction rates based solely on the given parameters.

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It is much easier to balance a thing that has a large base of support and a low center of gravity. The object won't topple over as a result of little center of gravity wobble because of the wide base and low center of gravity. Therefore, balancing a nail on its base as opposed to its tip would be simpler.

The highest frequency ultrasound devices have frequencies around 20 mhz. 5 m lambda to 15 m lambda is the wavelength of these sound waves inside the body.

Formula for sound wave = sound wavelength (λ) = sound velocity (v) / Sound frequency (F).

After calculating sound wavelength by the above formula we get the wavelength in between 5 to 15.

A periodic wave's wavelength is its spatial period, or the length over which its shape repeats. It is a property of both traveling waves and standing waves, as well as other spatial wave patterns. It is the distance between two successive corresponding locations of the same phase on the wave, such as two neighboring crests, troughs, or zero crossings.  The spatial frequency is the reciprocal of wavelength. The Greek letter lambda is frequently used to represent wavelength. The term wavelength is also occasionally used to refer to modulated waves, their sinusoidal envelopes, or waves created by the interference of several sinusoids. Wavelength and frequency are inversely related, with shorter wavelengths for higher frequencies and longer wavelengths for lower frequencies, assuming a sinusoidal wave travelling at a constant wave speed. The medium (such as a vacuum, air, or body of water) through which a wave travels determines its wavelength. Waves can be anything from music to light to water to periodic electrical signals in a conductor.

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Answer:

\( = \frac{1}{2} m {v}^{2} \\ = \frac{1}{2} \times m\times {2}^{2} \\ = 2m \: joules\)

Answer:

Polypropylene is the safest material for trampoline mats in the trampoline market. The fibers are heavily woven to make a buoyantly webbed fabric. The fabric is then thermally interlocked to provide a smoother stabilized surface that can withstand constant flexing and stress.

Answer: it is the asymptote

Explanation: a line that continually approaches a given curve but does not meet it at any finite distance.

The linear velocity in miles per hour of one of the teeth at the edge of the 15 inch diameter blade is approximately 178.2 mph.

Given that the blade on a typical table saw rotates at 4000 revolutions per minute and the diameter of the blade is 15 inches. Linear velocity is defined as the distance travelled per unit time. The formula for calculating the linear velocity of an object is given by; v = rω Where: v = Linear velocity, ω = Angular velocity. Angular velocity is defined as the angle swept by the object in radians per unit time. The formula for calculating angular velocity is given by;ω = (2πn) / 60 Where:ω = Angular velocity, n = Rotational speed. ω = (2π × 4000) / 60ω = 418.88 rad/s.  The diameter of the blade is given as 15 inches, hence the radius will be half of the diameter. r = d / 2r = 15 / 2r = 7.5 inches. Next, we need to convert the radius from inches to miles.1 mile = 63360 inches, r = 7.5 / 63360 miles, r = 0.00011847 miles. Substitute the value of r and ω in the formula v = rωv = 0.00011847 × 418.88v = 0.0495 miles/s. To convert miles per second to miles per hour, we multiply by 3600.v = 0.0495 × 3600v = 178.2 mph.

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Answer:

The answer is gravity

Explanation: Hope this helps:)

Answer:

F = 0.32 N

Explanation:

GIVEN:

Mass = m =  200 g = 0.2 kg

Distance = S = 200 cm = 2 m

Time = t = 5 s

Initial velocity = U = 0 m/s

REQUIRED

Force = F = ?

SOLUTION

Using Second Equation of Motion,

S = Ut + 1/2 at²

2 = (0)(5) + 1/2 a(5)²

2 = 25/2 a

a = 4/25

a = 0.16 m/s²

So,

Acceleration = a = 0.16 m/s²

Now Using Equation from Newtons Second Law of Motion

F = ma

F = (2)(0.16)

F = 0.32 N

Answer:

d

Explanation:

The equation for the electric field magnitude at the surface of the ball is:

\(E = \dfrac{\rho \times R}{3\epsilon_o}\)

To determine the electric field magnitude at the surface of the ball, we can use Gauss's law, which relates the electric flux through a closed surface to the charge enclosed within that surface. In this case, we can choose a spherical Gaussian surface with a radius R that encloses the entire ball.

According to Gauss's law, the electric flux Φ through the Gaussian surface is given by:

\(\phi = E \times 4\pi R^2\)

where E is the electric field magnitude at the surface of the ball.

The charge enclosed within the Gaussian surface is equal to the total charge q of the ball. Using the volume charge density ρ, we can express the charge q as:

\(q = \rho \times (\dfrac{4}{3})\pi R^3\)

Applying Gauss's law, we have:

\(\phi = E \times 4\pi R^2 = \dfrac{q}{\epsilon_o} = \dfrac{(\rho \times (\dfrac{4}{3}\pi R^3)}{\epsilon_o}\)

Solving for E, we get:

\(E = \dfrac{\rho \times R}{3\epsilon_o}\)

Therefore, the equation for the electric field magnitude at the surface of the ball is:

\(E = \dfrac{\rho \times R}{3\epsilon_o}\)

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Answer:

I think it is 50 j, I am not sure and also please let me know if I am wrong.

Answer: hey

Explanation:

The proof that the displacement of a body in nth second which is given by the S=u+a/2(2n-1) is explained below.

Given:

Displacement during nth second= displacement in n seconds- displacement in (n-1) seconds

= [\(un + \frac{1}{2} gn^2] - [ u(n-1) + \frac{1}{2} g(n-1)^2]\)

= (u * 1) + g(n *1) - \(\frac{g}{2}\)(1 *1)

Hence, in (n-1) seconds, n has a unit of time and 1 has a unit of time (not a constant)

Therefore, u(m/s) is multiplied by 1  (unit of time)

g(m/s^2) is multiplied by ( n*1 ), having units of time, i.e s^2

g/2 is also multiplied by ( 1 * 1, also having units of time,  i.e s^2

Therefore, the equation is dimensionally correct and we should note that 1 is not a constant in the equation as the time of 1 second in (n-1) second.

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Answer:

3.85 V

Explanation:

The potential difference between two points can be calculated using the following equation

Where E is the energy and Q is the charge. So, replacing E = 250 J and Q = 65 C, we get:

Therefore, the potential difference is 3.85 V

Answer:

7,79 seconds

Explanation:

\({\displaystyle {\overline {a}}={\frac {\Delta v}{t}}}\)

You need to use the acceleration formula. A is acceliration, \(\displaystyle \Delta \mathbf {v}\) is change in velocity and t is time.

You  need to multiply the formula with t and divide by a and you get

a*t=\(\displaystyle \Delta \mathbf {v}\)

t= \(\displaystyle \Delta \mathbf {v}\)/a

after that you just need to insert the numbers

change in velocity is 76.4 minus 0.

acceliration is gravitational acceleration which is 9.81.

After that you get

t=76.4/9.81

t= 7,787971458 s

Answer:

seconds of freefall and calculate the velocity at impact in mi/hr. I VE = 10.78 m/s ... You are walking in Paris alongside the Eiffel Tower and suddenly a croissant smacks you on the head and knocks you to the ground. From your handy ... If you neglect air resistance, calculate how many seconds the croissant dropped before it.

Explanation:

Answer:

It depends on the velocity, if 1 wave is going faster than the other, it could eat the other wave and thus: Merge.

If they are the same speed they would cancel out, it would be like 2 trucks hitting each other.

Explanation:

If 2 waves crash at 15mph they would splash back and fall into the water. Think about boxers.

Answer: Destructive interference occurs when waves come together in such a way that they completely cancel each other out. When two waves interfere destructively, they must have the same amplitude in opposite directions.

Hope this helps :)

The magnetic flux through the coil is given by:

Φ = BAcosθ

where B is the magnetic field, A is the area of the coil, and θ is the angle between the magnetic field and the normal to the plane of the coil. Since the axis of the coil is parallel to the field, θ = 0 and the equation simplifies to:

Φ = BA

The rate of change of magnetic flux is given by:

dΦ/dt = d(BA)/dt = A(dB/dt)

Plugging in the given values, we get:

A = πr^2 = π(1.0 cm)^2 = 3.14 × 10^-4 m^2

dB/dt = (0.30 T - 0.00 T)/(20 ms) = 1.5 × 10^4 T/s

Therefore, the emf induced in the coil is:

emf = -N(dΦ/dt) = -500 × 3.14 × 10^-4 m^2 × 1.5 × 10^4 T/s = -0.235 V

Note that the negative sign indicates that the emf is induced in a direction that opposes the change in magnetic flux.

Explanation:

a) Velocity and acceleration of a car are parallel when the car is moving along a straight line in the same direction. For example, when a car is gaining speed as it moves forward in a straight line, both velocity and acceleration are directed in the same direction.

b) Velocity and acceleration of a car are anti-parallel when the car is moving along a straight line in the opposite direction. For example, when a car slows down while moving in a straight line, its acceleration is directed opposite to the direction of its velocity, or the other way around.

Answer:

a)

There is only one case where velocity and acceleration are parallel only when they are moving in the same direction.

b)

There are 3 cases where velocity and acceleration are antiparallel.

(i) When both are moving in different direction

   It means :

(ii) When the object is slowing down, where velocity and acceleration are in the opposite direction.

(iii) In case of motion reversal.

Explanation: