If the entire apparatus is immersed in water, what happens to the distance between the fringes on the screen?

The solid forms of ice last longer because there is more weight with less surface area. This statement is false.

Factors like temperature, shape, size, humidity and impurities are some of the factor decides the time for which the ice survives. Even though larger ice particles may have more surface area than solid forms of ice, this does not always imply that they will persist longer.

In reality, due to the insulating effect of the ice itself, larger ice formations, like glaciers, can melt more quickly. In the end, a complex combination of physical, chemical, and environmental elements determines how long ice will last.

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Answer:

When a proton is placed directly in the path of the proton cannon, it will experience a strong electromagnetic force. The proton cannon emits a beam of protons at high energy and velocity. When the proton in the path of the cannon interacts with the beam, there will be a collision between the two protons.

During the collision, the protons may undergo a process called scattering, where they change direction and momentum. The exact outcome of the collision depends on the energy and angle of the incoming proton, as well as the properties of the target proton. It is possible that the protons may scatter off each other, transferring energy and momentum in the process.

In some cases, the collision may result in the absorption of the incoming proton by the target proton. This can lead to the formation of a more massive particle or the emission of other particles. The specifics of the interaction will depend on the energy and conditions of the proton cannon and the characteristics of the protons involved.

Overall, placing a proton directly in the path of a proton cannon will result in a collision and potential scattering or absorption of the protons, causing changes in their momentum and possibly leading to the creation of other particles.

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The average velocity of the freely falling object released from rest that has an instantaneous velocity of 80 m / s at 9 s is 40 m / s

V = ( u + v ) / 2

V = Average velocity

u = Initial velocity

v = Final velocity

u = 0

v = 80 m / s

V = ( 0 + 80 ) / 2

V = 40 m / s

Average velocity is the overall velocity during a given period. It is found using the average value of initial and final velocities is the acceleration is constant.

The given question is incomplete. The complete question is:

If the instantaneous velocity of a freely falling object 9.0 s after it is released from a position of rest is 80 m / s. What is its average velocity during this 9.0-s interval?

Therefore, the average velocity of the freely falling object released from rest is 40 m / s

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An  example of diffraction is being able to hear sounds from outside a room throughout the whole room.

The term diffraction has to do with the bending of waves around an obstacle which causes the waves to spread out as they emerge on the other side.

One typical example of diffraction is being able to hear sounds from outside a room throughout the whole room.

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The correct answer is 14 T

B= Amplitude of wave's Magnetic field.

∪°=permeability of free space.

I= Intensity

\(I =B^2/2u\)

\(B=\sqrt{2uI}\)

Here

\(I= 8*10^7 w/m²\)

\(B=\sqrt{2/10/8×107}\)

\(B=\sqrt{2u/8*10^7}\)

\(B=\sqrt{2*4T* 10*7 *8*10^-^7}\)

B = 14-18 T ~ 14 T.

B= 14T

What is magnetic field?

A magnetic field is a vector field that describes the magnetic influence on charges, currents, and magnetic materials in motion. A moving charge inside a magnetic field is subjected to a force that is perpendicular to both its own velocity and the magnetic field. A changing magnetic field also has an effect on a variety of nonmagnetic materials by influencing the motion of their outer atomic electrons. Magnetic fields are formed around magnetised materials and are generated by electric currents similar to those found in computers. computers.

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Star B is closer than star A, because 1/ 0.58 = 1.72 pc, while 1/.73 = 1.36 pc.

To calculate the distances to nearby stars, astronomers employ a phenomenon known as parallax. The apparent displacement of an object due to a change in the viewer's point of view is known as parallax. The distances between close stars can be calculated using this phenomenon. A nearer star will seem to move against the farther-off background stars as the Earth revolves around the Sun. By measuring a star's position once, then again six months later, astronomers can establish the apparent shift in location of that star. The apparent motion of the star is referred to as stellar parallax.

A straightforward correlation exists between the distance of a star and parallax angle:

\(d=\frac{1}{p}\)

The distance d and parallax angle p are both measured in parsecs and arcseconds, respectively.

Stellar parallax of star A= 0.58 arcseconds

Stellar parallax of star B= 0.73 arcseconds

So, on applying the formula,

The distance of the star A= 1.72pc

And the distance of the star B= 1.36pc

Therefore, star B is closer than star A.

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The power of a statistical test refers to its ability to detect statistically significant differences between groups or variables.

It is defined as 1-β, where β represents the probability of making a Type II error, or failing to detect a true difference. In other words, a high power value means that the test is more likely to correctly identify significant differences, while a low power value means that it is more likely to miss them. Power is influenced by a variety of factors, including sample size, effect size, and alpha level, among others. It is an important consideration when designing and interpreting statistical analyses.

The power of a statistical test is defined as the probability of rejecting the null hypothesis when it is false, or in other words, the probability of detecting a statistically significant difference when one actually exists. It is often denoted by the symbol "1-β", where β represents the probability of making a Type II error, which is the error of failing to reject the null hypothesis when it is false.

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Answer:

Distance, S = 13m

Explanation:

Given the following data;

Initial velocity, u = 4m/s

Final velocity, v = 9m/s

Time, t = 2 seconds

To find the distance, S;

First of all, we would determine the acceleration of the shark.

Acceleration = (v - u)/t

Acceleration = (9 - 4)/2

Acceleration = 5/2

Acceleration = 2.5m/s²

Now, to find the distance we would use the second equation of motion

S = ut + ½at²

Substituting into the equation, we have

S = 4(2) + ½*2.5*2²

S = 8 + 1.25*4

S = 8 + 5

Distance, S = 13m

Skaters push each other away, resulting in equal but opposite momenta. The law of conservation of momentum ensures their total momentum remains constant, unless acted upon by external forces. The correct answer is "their momenta are equal but opposite."

When two skaters push each other away, their total momentum remains the same. This is due to the law of conservation of momentum, which states that the total momentum of a closed system remains constant unless acted upon by an external force.

In this case, the skaters are the system, and their masses are given as 60 kg and 72 kg. Since their momenta are equal but opposite, we can conclude that their total momentum is zero. This means that the sum of their momenta before and after the push is the same.

Therefore, the correct answer is "their momenta are equal but opposite." This means that if the momentum of one skater is, for example, +10 kg m/s, the momentum of the other skater will be -10 kg m/s. The magnitudes of their momenta will be the same, but their directions will be opposite.

It's important to note that none of the other answer choices are correct. The total momentum does not double, as momentum is conserved. The 60 kg skater does not necessarily travel at a lower momentum, as the magnitudes of their momenta are equal. Lastly, their total momentum does not decrease, as it remains constant throughout the interaction.

In summary, when two skaters push each other away, their momenta are equal but opposite, and their total momentum remains constant.

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Answer:Patrick Mahomes

Explanation:

Answer:

Patrick Lavon Mahomes II

Explanation:

Given :- A resistor of 150 ohm, hence Resistance (R) = 150 ohm

Potential Difference (v) = 24 V

Current (I) = ?

V = IR

24 = I × 150

I = 24/150

I = 0.16 ampere

hope it helps!

Answer: 268.80 W/m^2

Explanation:

Intensity = Power/Area

first convert radius to meters

1.5mm= 1.5x10^-3m

area= pi (1.5x10^-3)^2

= 7.069m^2

convert power to W

1.9mW= 1.9x10^-3W

plug into intensity formula

(1.9x10^-3)/(7.069) = 268.80 W/m^2

Answer: They are all types of waves

A. Ripple tank

B. Electromagnetic  wave

C. Stationary  wave

D. longitudinal​wave

Explanation:

The natural length of the spring is 10 cm. The further explanation about that can be seen below.

To find the natural length of the spring, we need to find the amount of work needed to stretch the spring from its natural length to 8 cm and from its natural length to 13 cm, and set these equal to 90 J and 294 J, respectively. Let's call the natural length of the spring x and the spring constant k.

The work needed to stretch the spring from its natural length to a length L is given by:

W = 1/2 * k * (L - x)^2

Substituting this equation into the two given equations and solving for x, we get:

90 J = 1/2 * k * (8 cm - x)^2

294 J = 1/2 * k * (13 cm - x)^2

Solving these equations simultaneously, we find that the natural length of the spring is x = 10 cm.

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Answer:

Average speed = 60km/hr

Explanation:

Given the following data;

Time = 2.5 hrs

Distance = 150km

To find the average speed;

Average speed = distance/time

Substituting into the equation, we have

Average speed = 150/2.5

Average speed = 60km/hr

Answer:

See explanation

Explanation:

To find out the electronic structure of each element, you must know the number of electrons it contains.

If you find that out(the number of electrons in the neutral atom of an element is the same as its atomic number). Then you arrange those electrons in such a way that the first shell has only two electrons and subsequent shells have eight electrons.

Look up the groups to which the elements belong in the periodic table All the elements are in group 1 so the last shell must have only one electron.

Answer:

r = 1.999m

Explanation:

E = kq/r²

10 = 9*10^9*q/1²

q = 10/9*10^9

q = 1.11*10^-9

then at what distance

r² = kq/E

r² = 9*10^9*1.11*10^-9/2.5

r² = 9.99/2.5

r² = 3.996

r = √3.996

r = 1.999m

Answer:

The thread will experience a force on it .

Explanation:

When thread is tied to pen it will experience force. Because the pen is Abit heavy , there is a force that is applied to it which will cause it to elongate , after a while the thread will stretch, elongate and can later experience deformation. When it experience that, the thread can break after deformation and it has losses it elasticity.

Answer:

3.the distance away from the sun where it to hot or too cold for life to exist

In this case, the induced EMF in the coil is 1043.3 V.

The EMF (electromotive force) induced in a coil of area a = 0.25 m² rotating with angular speed ω = 560 rad/s with the axis of rotation perpendicular to a magnetic field b = 0.55 T is 1043.3 V.

The coil consists of n = 650 turns, so the EMF is induced using the following formula:

EMF = nωAB = nωaB

Where:

n is the number of turns

ω is the angular velocity

a is the area of the coil

B is the magnetic field

The equation is solved by substituting the given values into it.

The result is shown below.

EMF = nωAB

EMF = 650 × 560 × 0.25 × 0.55

EMF = 1043.3 V

Therefore, the induced EMF in the coil is 1043.3 V.

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Answer:

50 Watts

Explanation:

Power = work / time = 3000J / 60 seconds

The magnitude of the vector with components -14.0 units in the x-direction and 5 units in the y-direction can be calculated using the Pythagorean theorem.

The magnitude of a vector represents its length or size. In the xy plane, the magnitude of a vector with components in the x-direction (horizontal) and y-direction (vertical) can be found using the Pythagorean theorem. The theorem states that the square of the magnitude of a vector is equal to the sum of the squares of its components.

For the given vector with components -14.0 units in the x-direction and 5 units in the y-direction, we can calculate its magnitude as follows:

Magnitude = sqrt(\(14^{2} } +5^{2}\))

Magnitude = sqrt(196 + 25)

Magnitude = sqrt(221)

Magnitude ≈ 14.87 units

Therefore, the magnitude of the vector is approximately 14.87 units. This represents the length or size of the vector in the xy plane, taking into account its components in the x and y directions.

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Two narrow slits 55 µm apart are illuminated with light of wavelength 509 .The angle of the m=2 bright fringe is approximately 0.0185 radians or 1.059 degrees.

To find the angle of the m=2 bright fringe in radians, we can use the double-slit interference formula:
sin(θ) = (mλ) / d
where θ is the angle of the bright fringe,

m is the order of the fringe (in this case, m=2),

λ is the wavelength of the light (509 nm), and

d is the distance between the slits (55 µm).
First, we need to convert the wavelength and distance to the same unit. Since 1 µm = 1000 nm, we can convert the distance between the narrow slits to nm: 55 µm * 1000 nm/µm = 55,000 nm.
Now, we can use the formula:
sin(θ) = (2 * 509 nm) / 55,000 nm
sin(θ) ≈ 0.018491
To find the angle in radians, take the arcsine of this value:
θ = arcsin(0.018491) ≈ 0.0185 radians
To convert this angle to degrees, use the following conversion:
1 radian ≈ 57.296 degrees
θ ≈ 0.0185 radians * 57.296 degrees/radian ≈ 1.059 degrees
So, the angle of the m=2 bright fringe is approximately 0.0185 radians or 1.059 degrees.

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The constant force that must be applied to the rope to bring the merry-go-round from rest to a speed of 1.20 rev/min in 30.0 s is 192 N.

The moment of inertia of a uniform disk is (1/2)MR^2, where M is the mass and R is the radius. The torque required to produce a given angular acceleration is equal to the moment of inertia times the angular acceleration. Using the final angular velocity and the time, we can calculate the angular acceleration. Knowing the torque, we can then calculate the force required. The force required to accelerate the disk is equal to the torque divided by the radius of the disk. Using the given values, we can solve for the force required, which is 192 N.

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Answer:

B Relesing the string

Explanation:

got it right on edge

Answer:

b .

          :)    :)    :)

Explanation:

Answer:

See explanation

Explanation:

Observe, question, research, hypothesize, experiment, review hypothesis, report results.

So free point OK ty see ya!