how wide must a narrow slit be if the first diffraction minimum occurs at ±12° with laser light of 633 nm?

A body is said to be in thermal equilibrium where all the system temperatures are the same.

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Answer: 6.0 m/s/s

Explanation: If the net force acting on an object is halved, the acceleration of the object will also be halved. Therefore, if the object has an acceleration of 12.0 m/s/s and the net force acting on it is halved, the new acceleration of the object would be 12.0 m/s/s / 2 = 6.0 m/s/s.

In a magnetic field, a positively charged particle is traveling northward. The particle's magnetic field is oriented northeastward.

The motion of the -particle is parallel to the direction of the stream (east to west). The magnetic field is pointing into the paper. Fleming's left-hand rule is used to direct the force into the page south as a result. Consequently, the particle will be diverted southward.

Positive and negative poles are present and are found at the ends of the magnet. In contrast to electric charges, the poles can be separated since the north pole has a positive charge and the south pole a negative charge.

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Answer:

B

Explanation:

pls mark the brainliest

Answer:

two trillion galaxies

Explanation:

If we made the most straightforward estimate using today's best technology, we'd state there are 170 billion galaxies in our Universe. But we know more than that, and our modern estimate is even grander

The positive charged particles in the water will move the water towards the negatively charged balloon which is prediction which will happen when they are placed close to each other.

This is referred top as a type of force that pulls the body near it and we should also note that like poles repel while unlike poles attract.

Since positive and negative charges are attracted to each other, then the positive charged particles in the water will move the water towards the negatively charged balloon which is therefore the reason why it was chosen as the correct choice.

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The amount of energy lost due to friction is 735 J

The energy an object has as a result of motion is known as kinetic energy. A force must be applied to an object in order to accelerate it. We must put in effort in order to apply a force. After the work is finished, energy is transferred to the item, which then moves at a new, constant speed.

Given mass of the kid is 30 kg

The length of the slide from the ground is 2.5 meters

the speed given is 1 m/s

Energy lost is PE-KE = M*g*h - 0.5M*V^2

= 30 × 10 × 2.5 - 0.5 × 30 × 1²

= 750 - 15

= 735 J

Thus the energy lost is 735 J

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A child who weighs 30 kg descends a slide that is 2.5 meters high. Friction results in an energy loss of 735 J.

A force called friction opposes the relative motion of two materials or objects. These resistive forces are brought on by elastic deformation, surface roughness, and molecule adhesion. The force that prevents one solid item from moving across another is known as friction. Friction force, kinetic friction, tumbling friction, and kinetic friction are the four main categories of friction.

It generates heat, which is useful for warming our bodies or specific areas of any object. Power is also lost as a result. It makes noise during every operation. We are able to just walk, jump, play, etc. due to friction.

Energy lost = PE-KE

= M*g*h - 0.5M*V^2

= 30 × 10 × 2.5 - 0.5 × 30 × 1²

= 750 - 15

= 735 J.

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The magnitudes of the impulses and the forces on each vehicle are the truck experiences equal force and equal impulse.

Newton's third law dictates that the forces on the car and the truck are equal but opposite in direction.

So, the force on the truck is equal to the force on the car.

Ft = Fc

where, Fc is the force on the car

Ft is the force on the truck

Impulse is nothing but force multiplied by time and the time of contact is same for both the vehicles. So, the impulse is same in magnitude for the two vehicles.

Impulse can also be written as change in momentum. So, the change in momentum is also equal for both the vehicles.

Thus, force on the truck is equal to the force on the car. And the impulse on the truck is equal to the impulse on the car.

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Remnants indicate that members of the asteroid belt occasionally grow large enough to become differentiated and geologically active.

The members of the asteroid belt were never part of one larger body. Instead, they formed by the same process of accretion that formed the rest of the planets.

Several of these asteroids accreted enough mass to cause internal heat, thus differentiating the body and allowing some volcanically altered rock to accumulate on their surfaces.

When asteroid leaves the asteroid belts, these asteroids may crash into a planet or moon or fling out of the solar system. Some of these asteroids have unusual orbits. This is because of Jupiter's gravity.

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The maximum height of the drive be 33.30 m.

When a particle is hurled obliquely near the surface of the earth, it travels along a curved path while accelerating continuously in the direction of the planet's center (we assume the particle stays close to the surface of the globe). Such a particle's motion is known as projectile motion, and its route is referred to as a projectile.

Given that:

Range: R = 329.7 m

Angle of projection = 22.0°

Acceleration due to gravity; g=  9.81 m/s^2.

So, maximum height: H = 1/4 R tan22.0° m

= 1/4 × 329.7 × tan 22.0°

= 33.30 m.

Hence,  maximum height of the drive be 33.30 m.

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The accelerator lab is considering using a solid-state detector as part of a high-energy experiment, converting some of the particle energy directly into an electrical current, which would be an advantage of using a solid-state detector.

Solid-state detector, also called Semiconductor Radiation Detector, is a radiation detector in which a semiconductor material such as silicon or germanium crystal forms the detection medium.

Also they converts part of the particles energy directly into electric current, this would be an advantage of using a solid-state detector.

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If we ignore the moon's presence and assume that NASA wants a satellite to orbit the planet six times per day, its orbital radius is 1.44 x 10⁷.

A constructed item or spacecraft designed to circle the earth, the moon, or another celestial body. A celestial body orbiting another of greater size. An object that has been placed into orbit in space on purpose is known as a satellite or artificial satellite. Most spacecraft, with the exception of passive satellites, contain a means of generating electricity for the electronics they carry, such as solar cells or radioisotope thermoelectric generators.

As of the end of December 2021, just 4,852 of the 8,261 satellites circling the Earth were active, according to UNOOSA data, which were corroborated by the Union of Concerned Scientists (UCS), which keeps track of the functioning satellites.

There are several satellites in operation. They are used for a number of purposes, including as the weather forecasting, amateur radio, television broadcasting, and the Global Positioning System. They use telescopes to look outward at the solar system in order to conduct research and collect data.

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Answer:

The force exerted by the rubber band will increase. This is because the restoring force (force which acts to bring a body back to its equilibrium state) always acts in opposite direction to the force which acts to pull the body from its equilibrium position. And as the distance increases the force increases as well.

Explanation:

The pendulum swings in one direction for 4 seconds in each direction, making a 15.9 m swing in one second.

Instruments utilized in science, such as seismometers and accelerometers, also employ pendulums. They have a history of being used as length standards and gravimeters for measure an acceleration of gravity in geophysical surveys. The word "pendulum" is derived from the Latin word "pendulus," which means "hanging."

The gravity force will cause the swing to freely swing back and forth when it has been hoisted and released. The swing keeps swinging back and forth on its own until frictional (between the swing and the air, and between chains and the connection points) slows it down and ultimately causes it to stop.

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Since, the velocity not only depends on the force but also on the amount of time that has passed since the motion started, therefore, the car reaches a top speed even though the thrust force remains constant.

In order to move a body of mass [m] with an acceleration of [a] m/s², a force of magnitude equal to the product of body's mass and the required acceleration is needed. Mathematically -

F = ma

F = m {a[x] + a[y] + a[z]}

F = ma[x] + ma[y] + ma[z]          {Vector form}

We have a car reaches a top speed even though the thrust force remains constant at 3500 N.

We know the formula for force as -

F = ma

F = m(dv/dt)

dv/dt = F/m

dv = (F/m)dt

∫dv = ∫(F/m)dt

v = (F/m)t

v = kt

v [tex]\alpha[/tex] t

It can be seen that the velocity not only depends on the force but also on the amount of time that has passed since the motion started.

Therefore, since, the velocity not only depends on the force but also on the amount of time that has passed since the motion started, therefore, the car reaches a top speed even though the thrust force remains constant.

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The Answer is "It is Larger". This is how the habitable zone around a star of spectral type G compare to that around a star of spectral type M is.

What is an M spectral star?

An M-type star is within the M-class, a spectral class indicating stars with very weak hydrogen absorption lines and with molecular lines, a surface temperature in the 2400-3700 K range and a red color. M spectral stars are coolest and most common stars in the Universe. The spectral energy distribution peaks in the near infrared.

I suppose the question is :

How does the habitable zone around a star of spectral type G compare to that around a star of spectral type M?

1. It is larger.

2. It is hotter.

3. It is closer to its star.

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Switch the switch from position a to position b after leaving it in position a for a while. Current oscillations are expected to be zero.

The regular to-and-fro oscillation of a Simple pendulum is referred to as its oscillatory motion. One oscillation of the a pendulum is defined as the motion of a bob starting from one end and returning to the other.

An oscillating wave is one that moves back and forth on a regular, repeated basis. This oscillation may occur between extremes of force, amount, or position. Oscillations in waves can take many distinct forms.

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The balanced nuclear equations for formation of ⁸¹ Kr through electron capture is (81,37)Rb + (0,-1)e > (81,36)Kr

Nuclear equations represent the reactants and products in radioactive decay, nuclear fission, or nuclear fusion. Instead of chemical equations showing that different numbers of elements are conserved in a reaction, atomic mass and proton number are conserved in a nuclear reaction.

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a > g , is the best shows the magnitude a and the direction of the ball's acceleration at time.

Acceleration is the rate at which the speed and direction of a moving object change over time. A point or object travelling in a straight path is accelerated if it accelerates or decelerates. Even if the speed is constant, motion on a circle is accelerated because the direction is always changing.

Given data

The velocity of the ball is: V

The angle of velocity with the horizontal is (θ)  = 45

The acceleration of the ball is: a

The acceleration due to gravity is: g

When the hollow ball is projected into the air, air resistance will act on the ball that will slow down the ball's motion. Therefore the velocity direction is opposite to the reducing force. The reducing force relates to the opposite to the acceleration of the hollow ball.

F(delaying) ∝ -VF(delaying) ∝ m×a(r)×F(delaying) ∝ a(r)

Here m is the mass of the hollow ball.

The force of gravity on the ball which is acting downward given as:

F(gravity)  ∝ g

So, a > g

Correct option: (B)

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Answer:

Explanation:

As a seismologist studying earthquakes in a particular region, you might expect to find certain features of the earth's crust in that region that are indicative of tectonic activity. Some examples of these features include:

Fault lines: These are fractures in the earth's crust where two tectonic plates have moved relative to each other, often resulting in earthquakes when the movement is sudden and violent.

Folded mountain ranges: When tectonic plates collide, the resulting pressure can cause the earth's crust to fold and form mountain ranges.

Volcanoes: Many earthquakes occur in regions with volcanic activity, as the movement of magma beneath the earth's surface can cause the ground to shake.

Plate boundaries: The boundary between two tectonic plates is often a zone of high seismic activity, as the plates grind against each other and cause earthquakes.

Seismic gaps: Some areas along a fault line may have experienced few or no earthquakes in recent history, and are therefore considered "seismic gaps." These areas may be more prone to earthquakes in the future as the pressure builds up.

By studying these and other features of the earth's crust, you can gain a better understanding of the underlying tectonic processes that contribute to earthquakes in the region.

The distributor's job is to distribute refrigerant equally throughout the circuiting of the evaporator. As the expansion valve's larger nozzle opens, the distributor maintains a constant flow rate.

An essential piece of machinery in the HVAC sector is the Thermal Expansion Valve (TXV). The valve's function is to regulate the flow of refrigerant into the evaporator section. In this manner, it regulates the discrepancy between superheat and the refrigerant temperature that is currently present at the evaporator outlet.

The thermal expansion relief valve works similarly to an expansion tank by taking up the extra pressure that thermal expansion causes in the plumbing system.

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a. Proton carries positive electrical charge.

b. Neutron are neutral with no electrical charge

c. Electron carries negative electrical charge.

According to Rutherford's atomic model the electrons are negatively charged which revolves around the nucleus of the atom, in circular paths named as orbits.

Proton, the positive charge is concentrated in the center known as nucleus.

Later, scientists discover that in the nucleus of atom there is one neutral particle called neutron. Protons and Neutrons together are called nucleons.

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Answer: The floor has more friction than the force given to the box for movement.

Explanation:  

The labeled diagram is given below.

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The forces acting on the block at rest are the normal force (N), weight of the block (W) and the force of friction (F).

When a block is at rest on a horizontal floor, several forces are acting on it.

These forces are in equilibrium, meaning they balance each other out and result in zero net force, allowing the block to remain stationary.

The main forces acting on the block are:

Weight: The force of gravity pulls the block downward toward the center of the Earth.

Normal Force: The normal force is the force exerted by a surface to support the weight of an object resting on it.

Frictional Force: If the block is not on a perfectly frictionless surface, there will be a frictional force opposing the tendency of the block to slide.

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Answer:

Erosion is the removal and transportation of rock or soil. Erosion can move sediment through water, ice, or wind. Water can wash sediment, such as gravel or pebbles, down from a creek, into a river, and eventually to that river's delta. Hope this helps.

Heat transfer by convection occurs when a fluid (such as air or water) is moving. The movement of a material carrier distinguishes conduction from convection, which is the transfer of thermal energy by the movement of hot fluid (as opposed to making other material hot by wiggling atoms).

Thermal energy can be exchanged between objects by a variety of techniques, all of which are based on the fundamental idea that heat and kinetic energy both prefer equilibrium and similar energy states. Conduction, convection, and radiant heat (commonly referred to as radiation, but it's a more comprehensive phrase that includes many other processes) are the three main ways that heat can transfer.

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Answer:

10 kgm/s

Explanation:

p = m*v (momentum = mass * velocity)

p = 5 kg * 2 m/s

p = 10 kgm/s

Answer:

10 kg. m/s

Explanation:

[tex]p = m \times v[/tex]

p = 5 * 2

= 10 kg.m/s

The fact that a solid cylinder rolls down a hill more quickly than a hollow one has been demonstrated above. This is as a result of their inertial moments.

A cylinder that is hollow from the inside out and has a discrepancy between its internal and external radii is referred to as a hollow cylinder. The base of the hollow cylinder is shaped like an annular ring.. So the hollow cylinder's bottom resembles a zone enclosed by two concentric rings.

The area encircled by the shape in a three-dimensional plane is referred to as the volume of a hollow cylinder. A hollow cylinder is one that has a discrepancy between the internal and external radius and is empty on the inside. In other terms, it is a cylindrical shape with some thickness at the edges and no inside.

Because the formulas for calculating the total surface area (TSA) of a cylinder and a hollow cylinder are almost identical, use caution. TSA of a cylinder is equal to 2 rh plus 2 r2, or the surface area of the cylinder plus the area of 2 circles.

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