Assume that the following colors of light pass through a prism.Which color ray is bent the most?redbluegreenyellow

A planetesimal is an object formed from dust, rock, and other materials. According to the planetesimal hypothesis, when a planetary system is forming, there is a protoplanetary disk with materials from the nebulae from which the system came. This material is gradually pulled together by gravity to form small chunks.

Brainliest or a thank you please :)) <3

Answer:

I think it is b because when you do something to an object it moves

Answer:

hello! Jaesuk~Sakai here!

Explanation:

The four group 3 elements are scandium, yttrium, lanthanum and actinium. “lanthanide” refers to the elements between lanthanum and lutetium. That term does not encompass scandium and yttrium. Scandium and yttrium act pretty much identically to lanthanides.

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The net force on the block perpendicular to the floor is

∑ F[perp] = F[normal] - mg = 0

so that

F[normal] = (5 kg) g = 49 N

Then

F[friction] = 0.1 F[normal] = 4.9 N

so that the net force parallel to the floor is

∑ F[para] = -4.9 N = (5 kg) a

Solve for the acceleration a :

a = (-4.9 N) / (5 kg) = -0.98 m/s²

Starting with an initial velocity of 5 m/s, the box comes to a stop after time t such that

0 = 5 m/s - (0.98 m/s²) t

⇒   t ≈ 5.1 s

Answer:

It got transferred to kinetic energy

Explanation:

Answer:

The energy changed from kinetic energy to heat energy. Friction causes heating.

A .

Explanation:

Tiny water drops hovering in the air are called fog. Fog is like a cloud, but it is near the ground, not high in the sky. Thick fog makes it difficult to see the surrounding landscape

we have that from the Question"which of these might be carried by the wind, which causes the weathering of rocks? " it can be said that  

From the Question we are told

which of these might be carried by the wind, which causes the weathering of rocks?

A. fog

B. mud

C. pollen

D. sand

Generally

Therefore

Which of these might be carried by the wind, which causes the weathering of rocks will be

Option C

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Answer:

4.489 m/s

Explanation:

We are given;

Length of rod;L = 51.4 cm = 0.514 m

When the ball is at the top end, it's velocity will be zero and it's kinetic energy will be transformed to potential energy.

Thus; ½mv² = mgh

m will cancel out to give;

v² = 2gh

Where:

g is acceleration due to gravity = 9.8 m/s²

h is the maximum height of the ball which is equal to twice the length of the rod.

Thus, h = 2(0.514) = 1.028 m

v² = 2 × 9.8 × 1.028

v = √20.1488

v = 4.489 m/s

Given data:

* The distance traveled is 346 m.

Solution:

Let m be the mass of the body.

Then, the gravitational potential energy of the body on reaching the top of the tower is,

where g is the acceleration due to gravity, and h is the height of the tower,

As mg is the weight of the body.

Substituting the known value,

where w is the weight of the body,

When a person walks to the certain height, the internal energy of the person's body is converted into the gravitational potential energy.

This means that the particles of the medium move up and down or side to side, while the wave itself moves .

In a transverse wave, the medium moves perpendicular to the direction that the wave travels

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In a transverse wave, the medium moves perpendicular to the direction that the wave travels.

A transverse wave is a type of wave in which the particles of the medium vibrate up and down or side to side, perpendicular to the direction in which the wave is moving. This means that the displacement of the particles is at right angles to the direction of wave propagation.

A common example of a transverse wave is a water wave. As a water wave travels across the surface of the water, the water molecules move up and down in a perpendicular motion. Another example is a light wave, where the electric and magnetic fields oscillate perpendicular to the direction of wave propagation.

It's important to note that in a transverse wave, the particles of the medium do not actually travel with the wave. Instead, they vibrate in place as the wave passes through them.

In summary, a transverse wave is characterized by the medium moving perpendicular to the direction of wave propagation. This type of wave can be observed in various phenomena, such as water waves and light waves.

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Explanation:

\(from \: newton \: first \: equation \\ V = U + at \\ 0 = U + ( - 6 \times 2) \\ U = 12 \: m {s}^{ - 1} \\ from \: newtons \: third \: equation \\ {V}^{2} = {U}^{2} + 2aS \\ 0 = {12}^{2} + (2 \times - 12 \times \: S ) \\ 144 = 24S \\S = 6 \: m \)

The speed with which the train reaches the rock slide is 19.36 m/s

This is defined as the rate of change of velocity which time. It is expressed as

a = (v – u) / t

Where

The initial velocity of the train can be obtained as illustrated below:

–1.6 = (0 – u) / 12.1

Cross multiply

0 – u = –1.6 × 12.1

– u = –19.36

Divide both sides by –1

u = –19.36 / –1

u = 19.36 m/s

Thus, the train uses 19.36 m/s to reach the rock slide

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To find the elongation of the spring, we can use Hooke's Law, which states that the force exerted by a spring is proportional to its elongation. The formula for Hooke's law is:

F = -kx

where F is the force, k is the spring constant, and x is the elongation.

In this case, the force is equal to the weight of the object (10 kg), which can be calculated as:

F = m * g

where m is the mass of the object (10 kg) and g is the acceleration due to gravity (9.8 m/s^2).

So, the force can be calculated as:

F = 10 kg * 9.8 m/s^2 = 98 N

Using Hooke's law, we can find the elongation of the spring:

F = -kx

98 N = -250 N/m * x

x = 98 N / 250 N/m = 0.392 m

So, the elongation of the spring is 0.392 m.

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Hey brother, no problem for the answer but could you give 5 stars and a thanks!

All love, Johnny Sins :)

The force of the collision on the whale would be 10 times greater when the ship is 10 times more massive and traveling at 5.0 knots.

To analyze this situation, we can use the concept of momentum, which is the product of an object's mass and velocity. The momentum of the ship before the collision can be calculated using the formula:

momentum = mass × velocity

If the ship becomes 10 times more massive, its new momentum would be:

new_momentum = 10 × mass × velocity

Since the force of the collision is related to the change in momentum, we can compare the ratio of the new_momentum to the original momentum:

ratio = (10 × mass × velocity) / (mass × velocity)

The mass and velocity terms cancel out:

ratio = 10

Thus, the force of the collision on the whale would be 10 times greater when the ship is 10 times more massive and traveling at 5.0 knots.

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The energy transported by the wave increases by a factor of 9,

The energy transported by a wave is proportional to the square of its amplitude. Therefore, if the amplitude of the wave increases from 0.5 meters to 1.5 meters, the energy transported by the wave increases by a factor of

\((1.5/0.5)^2 = 9.\)

Wave amplitude is the maximum displacement or distance moved by a particle of the medium from its rest position when a wave passes through it. In simpler terms, it is the height of the wave from its equilibrium position. The amplitude is usually measured in meters (m), centimeters (cm), or sometimes in units of pressure, such as Pascals (Pa) for sound waves.

Energy transferred by a wave refers to the amount of energy that the wave carries as it travels through a medium.

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The altitude limit at which dedicated human climbers can climb without supplemental oxygen is about (b) 8000 m (26,247 ft). At this altitude, the atmospheric pressure is around 356 mmHg, which is less than half the pressure at sea level.

The lower pressure means that the partial pressure of oxygen in the air is also lower, making it difficult for humans to extract enough oxygen to support bodily functions. Climbers who attempt to climb higher than 8000 m often rely on supplemental oxygen to help them breathe.

The use of supplemental oxygen can help climbers perform better and avoid altitude sickness, which can cause nausea, headaches, and other symptoms. However, it does not eliminate all the risks associated with high-altitude climbing.

Therefore, the correct answer is (b) 8000 m.

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Answer:

Mass and Gravity

Explanation:

Objects with mass exert forces on each other via the force of gravity. This force is proportional to the mass of the two interacting objects and is inversely proportional to the square of the distance between them.

We will have the following:

From the graph and the direction of the focus of the electric field assuming it is a negative electric field will be:

*Net torque: Clockwise.

*Net force: Zero.

When the total mass of the system much larger then the measured accelerations would all be: halved.

In an Atwood's Machine, weight difference between the two hanging masses determines the net force acting on the system and this accelerates the hanging masses. Heavier mass is accelerated downward whereas the lighter mass is accelerated upward.

The second law states that the acceleration of an object depends on two variables that are: the net force acting on the object and the mass. The acceleration of an object depends directly on the net force acting on the object and inversely upon the mass.

F = m*a

Where, F denotes force, m is mass and a is acceleration. If force is doubled, acceleration also gets doubled whereas if the mass is doubled then acceleration becomes half.

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At a depth of 50 m, the pressure is 512 kPa (kilopascals), a diver breathing air (78% \(N_2\), 21% \(O_2\)) at this depth would have a partial pressure of oxygen in their lungs of 124.338 kPa.

The absolute pressure , is 50 meters x 9.81 \(m/s^2\) x 1 Pa/m = 490.5 kPa. 

Total pressure = atmospheric pressure + water pressure

total pressure = 101.3 kPa + 490.5 kPa

total pressure = 591.8 kPa

partial pressure of oxygen in the air mixture, first the partial pressure of nitrogen is found out, nitrogen makes up 78% of the air mixture, the partial pressure of nitrogen is:

partial pressure of nitrogen = total pressure x 0.78

partial pressure of nitrogen= 591.8 kPa x 0.78

partial pressure of nitrogen = 461.724 kPa

Similarly, the partial pressure of oxygen is:

partial pressure of oxygen = total pressure x 0.21

partial pressure of oxygen = 591.8 kPa x 0.21

partial pressure of oxygen = 124.338 kPa

Hence, a diver breathing air (78% \(N_2\), 21% \(O_2\)) at this depth would have a partial pressure of oxygen in their lungs of 124.338 kPa.

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Answer:

108 KPa

Explanation:

Convection plays a crucial role in producing the rain shadow effect because it is the mechanism that causes the air to rise and cool on the windward side of the mountain range.

What is Convection?

The rain shadow effect is a phenomenon that occurs when moist air from an ocean or other body of water encounters a mountain range, causing the air to rise and cool, leading to precipitation on the windward side of the mountain range. However, as the air descends down the leeward side of the mountain range, it warms and dries out, creating a rain shadow region with much less precipitation.

Convection plays a crucial role in producing the rain shadow effect because it is the mechanism that causes the air to rise and cool on the windward side of the mountain range. When the moist air encounters the mountain range, it is forced to rise due to the topography, leading to the formation of clouds and precipitation. This rising air is driven by convective processes, which occur as a result of temperature differences within the atmosphere.

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Answer:

If your parents are tall there's a big change you will be too, if your parents are short you'll be short. If you have a tall dad and a short mom you'll be in the middle of short and tall.

Explanation:

;)

The link between the observation that the universe is expanding and the big bang theory is the discovery that all objects in the universe are spreading apart, which led to the idea that everything must have been together at some point and then began to expand, as is in Option D.

According to this theory, the universe began as a very hot, dense, and infinitely small point known as a singularity, and this singularity began to rapidly expand and cool, leading to the formation of matter and the eventual development of galaxies, stars, and planets.

Hence, the link between the observation that the universe is expanding and the big bang theory is the discovery that all objects in the universe are spreading apart, as is in Option D.

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The spring compresses by 0.1 m.

The amount of spring compression can be determined using Hooke's Law, which states that the force exerted by a spring is directly proportional to the amount it is compressed or extended.

Hooke's Law can be expressed as:

Force = spring constant * compression/extension

In this case, the spring constant (k) is given as 10 N/m, and the force applied to the spring is 1.0 N. To find the amount of compression, we rearrange the formula:

Compression = Force / spring constant

Plugging in the values, we have:

Compression = 1.0 N / 10 N/m = 0.1 m

Therefore, the spring compresses by 0.1 meters.

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The object's velocity-time graph is provided, and we need to determine the true statement about the motion of the object.

From the velocity-time graph, we can observe the following key features. Firstly, the graph shows a positive constant slope, indicating a constant positive velocity. This implies that the object is moving in a straight line with a consistent speed in a positive direction. Secondly, the graph is a straight line without any changes in slope, indicating that the velocity remains constant throughout the object's motion.

Based on these observations, the true statement about the object's motion is that it is moving with a constant velocity in a straight line. The graph's linear nature and constant slope suggest that the object maintains the same speed and direction without any changes in its motion over time.

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50.545 degrees with a positive x-axis and a weight of 133.909 pounds. the direction and strength of these forces' combined effect

A modest but significant amount of a certain characteristic is present in anything if it has a degree of that attribute. However, their salaries do provide them some freedom. There is some cause for cautious optimism.

Degree (Celsius) (Celsius) Temperature readings are frequently made in degrees Celsius. Degrees Celsius are denoted by the sign °C. By designating 0°C as the freezing point of water and 100°C as its boiling point, the Celsius scale is produced.

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The amount of energy lost due to external work done by air resistance/friction is 0.13515 kJ.

Before the body hits the earth, it has a kinetic energy of 9.8 joules. Solution, The conservation of energy causes the body's potential energy at height h to be transformed into kinetic energy during contact.

The baseball's combined potential and initial kinetic energies add up to its entire mechanical energy before it is dropped:

Ei = mgh + 0.5mv²

Plugging in the given values, we have:

Ei = (0.15 kg)(9.81 m/s²)(10.0 m) + 0.5(0.15 kg)(0 m/s)²

= 0.14715 kJ

The baseball's kinetic energy and final mechanical energy are equal before it strikes the ground:

Ef = 0.5mv²

where v denotes the baseball's final speed just before it strikes the ground.

By plugging in the specified kinetic energy number, we obtain:

Ef = 0.5mv² = 12.0 J

Solving for v, we have:

v = sqrt(2Ef/m) = sqrt(2(12.0 J)/(0.15 kg)) = 7.75 m/s

Utilizing the work-energy concept, we can determine the work generated by air resistance and friction.

W = Ef - Ei = 12.0 J - 0.14715 kJ

= -0.13515 kJ

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Answer:

b) Concave mirror

Explanation:

The type of mirror being used in the image is concave mirror. Dentist always use concave mirror to see patient's teeth. Hence, the option (b) is correct answer.

Answer: b or

✔ concave

Explanation:

The centripetal acceleration of the professor holding onto the end of the minute hand of a clock atop City Hall is 0.00133 m/s².

Centripetal acceleration is the inward force acting on a body moving in a circular path that changes the direction of the velocity of the body and constantly pulls it toward the center of the circle.To determine the professor's centripetal acceleration, we use the formula;

`a= (v²)/r`

Where `a` is the centripetal acceleration, `v` is the velocity, and `r` is the radius. We have the length of the minute hand which is the radius of the circle.

So,`r = 4 m`We need to find the velocity which is given by the formula:

`v= (2πr)/T`

Where `π` is pi (3.14), `r` is the radius, and `T` is the time taken for one complete rotation which is 60 minutes since it's the minute hand.

Therefore;`v = (2 x 3.14 x 4 m) / (60 min x 60 s / 1 min)``v = 0.42 m/s`Substitute `v` and `r` into `a = (v²)/r` to get:`a = (0.42 m/s)² / 4 m``a = 0.00133 m/s²`

Therefore, the centripetal acceleration of the professor holding onto the end of the minute hand of a clock atop City Hall is 0.00133 m/s².

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