A concentrated reagent is sold as a solution that is 60. 0% solute by mass. If the molar mass of the solute is 120 g/mol and the density of the solution is 1. 70 g/ml, what is the molarity, m, of the solution?.

The displacement of the pendulum is 0.815 m.

Mass of the pendulum, m = 25 kg

Length of the pendulum, l = 0.75 m

Distance moved by the pendulum, x = 0.25 m

Therefore, acceleration of the pendulum,

a = -(g/l) x   the negative sign implies the restoring force.

a = -(9.8/0.75) 0.25

a = -3.26 m/s²

Time period of the pendulum = 2 s

Angular frequency, ω = 2\(\pi\)/T

ω = 2 x 3.14/2

ω = 2 s⁻¹

Displacement,

x' = -(a/ω²)

x' = 3.26/4

x' = 0.815 m

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Pressure above the left beaker the pressure outcome of the current experimental circumstances.

Either the action of pressing or the state of pressing. A strain or force exerted against resistance in any direction. Force per unit of area is a measure of force exerted uniformly over a surface.

Pressure is the ratio of the force applied perpendicularly to an object's surface to its area. Its abbreviation is "p" or "P."

The force applied by one region of a gas, liquid, or solid to another, expressed as a function of area. A substance is said to have negative pressure if another substance exerts greater force per unit area on it than it does on it. Pressure is commonly measured in Pascal units, atmospheres, or pounds per square inch. Its value is just the opposite of the pressure the other substance is exerting.

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Answer:

when you walk your foot pushes down on the ground, while the ground pushes back on your foot

Explanation:

it was another brainly question, Goodluck :)

Answer:

The system has parts that sense the amount of output, allows negative feedback to control a system

Explanation:

The measured index of refraction of x-rays in rock salt is less than one. this is consistent with the theory of relativity because Vp is phase velocity. Vp does not represent the particle velocity. The physical speed of the particle is represented by group velocity, Vg.

The refractive index of an optical medium is a dimensionless number that indicates how well that medium bends light in optics. The refractive index controls how much light is refracted or twisted when it enters a substance.

Index of refraction, n = c/v

For X-rays, n is 1 → v > c (violates the theory of special relativity) However, this is ok because in this case, Vp is phase velocity. Vp does not represent the particle velocity. The physical speed of the particle is represented by group velocity, Vg.

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The launch velocity of the projectile is 13.28 m/s.

What is projectile motion?

The motion of an object thrown in the air under the force of gravity is known as projectile motion.

Since the object is launched horizontally, its initial velocity along the vertical direction is zero. From the second kinematic equation,

s=u*t+(1/2)at^2.

where s is the displacement, t is the time, u is the initial velocity and a is the acceleration. Since the height is decreasing, so it will be taken negative.

For the vertical motion, s=-19.3 m, a=-9.8 m/s^2 and u=0. Put the values in the above equation and solve it.

-19.3 = (0)*t+(1/2)*(-9.8)*t^2

19.3 = (1/2)*(9.8)*t^2

t=1.98 s

Since the velocity along the horizontal direction is constant, the displacement along the horizontal direction is given by the formula,

X=vt

where X is the horizontal displacement, v is the initial horizontal velocity and t is the time.

For the horizontal motion, X=26.3 m and t=1.98 s. Put the values in this equation and solve it.

26.3=v*(1.98)

v=13.28 m/s

The launch velocity is equal to the initial horizontal velocity, so it is equal to 13.28 m/s.

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The average speed of the student for the entire trip to and from her car is 1.6 m/s.

The average speed travelled by the student is given by the formula below:

From the dat provided:

The total distance travelled by the student = 21 m + 21 m

total distance travelled by the student = 42 m

Total time = time taken going + time taken returning

Time taken = distance /speed

Time taken going = 21/1.0 = 21 s

Time taken returning = 21/4 = 5.25 s

Total time = 21 + 5.25 = 26.25 seconds

Average speed = 42/26.35

Average speed = 1.6 m/s

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Answer:

you can also get the best i have a problem with you have to be a good job for a while but it is a great way of doing it was really hard for the first one to have to be in the United

Answer: find the answer in the explanation

Explanation:

When a magnet is placed at the centre of the paper, and the nails are sprinkled on the paper, what will happen to the nails is that, the nails will form a pattern on the paper according to the magnetic field of the bar magnetic pole.

Other phenomena you can observe are:

1.) The nails will align themselves and show some lines of forces which is equivalent to the magnetic field lines

2.) The direction of the line of forces

3.) The strength of the magnetic field pole.

The cork leaves the spring at a speed of 3.02 m/s.

We can use the conservation of energy to determine the speed at which the cork leaves the spring.

The initial potential energy stored in the spring is converted to the kinetic energy of the cork as it leaves the spring. Neglecting air resistance, the conservation of energy equation is:

(1/2) k x^2 = (1/2) m v^2

where k is the spring constant, x is the distance the spring is compressed, m is the mass of the cork, and v is the speed of the cork as it leaves the spring.

Substituting the given values:

(1/2) * 18 N/m * (7.47 cm / 100 cm/m)^2 = (1/2) * 0.009 kg * v^2

Solving for v:

v^2 = (18 N/m * (7.47 cm / 100 cm/m)^2) / 0.009 kg

v^2 = 9.119 m^2/s^2

Taking the square root of both sides:

v = 3.02 m/s

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The thing to do here is to balance the eqns that is to balance the stoichometric ratios or coefficients of the cpds.

hope you understand. all the best.

The components of acceleration are important and should not be neglected without introducing significant errors. are both the radial/centripetal and tangential.

The experiment in question is likely looking at the magnitude of acceleration in order to determine the force involved. The radial/centripetal component of acceleration is the change in direction of the velocity vector, and the tangential component is the change in magnitude of the velocity vector.

In the experiment, the radial/centripetal component of acceleration would likely be used to measure the direction of the force and the tangential component of acceleration would be used to measure the magnitude of the force. Therefore, if either one of these components were neglected, it would introduce error in the experiment.

Furthermore, depending on the type of experiment, the relationship between the two components of acceleration may be important in determining the force involved. For instance, a certain ratio between the two components of acceleration might suggest a particular type of force.

Therefore, neglecting either the radial/centripetal or the tangential component of acceleration would introduce significant errors in the experiment.

In conclusion, it is important to consider both the radial/centripetal and tangential components of acceleration in order to measure the force involved in an experiment. Neglecting either component could lead to inaccurate results and should therefore be avoided.

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Without knowing the details of the experiment or scenario in question, it is difficult to determine which component of acceleration (radial/centripetal or tangential) is more important.

In general, however, both components of acceleration can be important in certain situations. For example, in circular motion, both the radial/centripetal acceleration (directed towards the center of the circle) and the tangential acceleration (directed tangentially to the circle) contribute to the total acceleration of an object.

Neglecting one of these components of acceleration could introduce significant errors, depending on the specific situation. In some cases, neglecting the radial/centripetal acceleration could result in an object moving off its circular path, while neglecting the tangential acceleration could result in an object changing its speed or direction of motion.

Therefore, it is important to consider both components of acceleration in any situation involving circular motion, and to determine which component(s) are more significant for the specific scenario in question.

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The ratio of the velocities of the two planets is 0.482

The velocity v of the planet in its circular orbit can be calculated using the following formula: v = 2πr/T

So, v = 2πr/ T

Where T is the time period of revolution of the planet around the star, r is the radius of the circular orbit, and v is the velocity of the planet in its orbit.

Since we can assume circular orbits, we have v ∝ r^-1/2.

Therefore, the ratio of velocities of the two planets is given as follows:

V1 / V2 = (r1 / r2)^(1/2)

Where, V1 is the velocity of the terrestrial planet orbiting at 5.00 AU, r1 is the radius of the orbit of the terrestrial planet around the star, V2 is the velocity of the giant planet orbiting at 19.00 AU, and r2 is the radius of the orbit of the giant planet around the star.

Therefore, substituting r1 = 5.00 AU, r2 = 19.00 AU, we get the ratio of the velocities of the two planets as:

V1 / V2 = (5/19)^(1/2)

V1 / V2 = 0.482

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To derive the algebraic equation for the vertical force, we must consider the forces acting in the vertical direction and apply Newton's second law of motion.

Newton's second law states that the net force acting on an object is equal to the product of its mass (m) and its acceleration (a). In the vertical direction, the forces that typically act on an object are gravity and any other forces such as the normal force or applied forces.

Assume that the vertical force is denoted as Fv. Forces acting in the vertical direction are typically mass (mg) and the normal force (N) exerted by the surface, if present. Therefore, the equation for the vertical force can be expressed as:

Fv = N - mg,

where:

Fv is the vertical force,

N is the normal force,

m is the mass of the object,

g is the acceleration due to gravity (approximately 9.8 m/s² on Earth).

The normal force N is equal to the weight of the object if the object is at rest on a horizontal surface. In this case, N = mg. However, if the object is on an inclined plane or is subject to other forces, the normal force may differ from the weight.

By substituting the appropriate values ​​for the normal force and mass (mg), you can derive an algebraic equation for the vertical force based on the specific scenario you are considering.

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If a block is on the verge of motion, Limiting friction acts on the block.

Friction refers to the force that acts on a body to oppose any motion. These are of the following types:

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However, the complete question should be: What type of friction, acts on the block, if a block is on the verge of motion?

16.77m is the lemming's change in height when it reaches the water.

A thing is said to be in projectile motion when it has been fired into the air. After the initial force that launches the object, it only experiences the force of gravity. It is what it is—a projectile—and the path it took to get there is what it was.

You can tell from the situation that this projectile is a Type 1 projectile, or a horizontal projectile. Before you can resolve this issue, you will need a few things.

You must first examine the information you were given:

Vix = 2.87 m/s

dx = 5.32m

Your height or vertical distance are what you need. The following is the usual formula for projectile displacement:

d = Vit +1/2gt²

Specifically, you only need to enter the y-components to obtain the vertical distance. Now keep in mind that a horizontal projectile initially moves only forward and not vertically. Your vi = om/s, leaving you with the following equation:

dy = Viyt + 1/2 gt²

dy = (0m/s)t + 1/2 gt²

dy = 1/2 gt²

However, if you examine your issue, you will discover that no time has been allotted. You can resolve it using the information provided by deriving it from the x component formula:

dx = Vixt

Plug in your knowledge and find a solution for your ignorance.

dx = Vixt

5.32m = (2.87m/s)t

5.32/2.87= t

t = 1.85s

You can solve for your vertical distance/displacement now that you know the time:

dy = 1/2 gt²

dy = 1/2 (9.8 × 1.85²)

dy = 16.77m.

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Answer:

the answer is -16.8

Explanation:

it’s negative because your going down and you have to round off to match the significant digits.

The answer that matches both trials is (A) Does not change - Does not change.

The speed of the two-cart system's center of mass during the collision in each trial can be analyzed using the principle of conservation of momentum. In both trials, the total momentum before and after the collision remains the same.
In Trial 1, the collision is elastic, meaning that both kinetic energy and momentum are conserved. The center of mass does not change during the collision since the total momentum remains constant. Therefore, for Trial 1, the correct answer is "Does not change."
In Trial 2, the carts stick together during the collision, and although kinetic energy is not conserved, the total momentum is still conserved. As a result, the center of mass of the two-cart system does not change during the collision.

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Answer:

hi

Explanation:

Instead, Earth has seasons because our planet's axis of rotation is tilted at an angle of 23.5 degrees relative to our orbital plane, that is, the plane of Earth's orbit around the sun. The tilt in the axis of the Earth is called its obliquity by scientists. ... Over the course of a year, the angle of tilt does not vary

Answer:

111.4 m

Explanation:

PE = m x g x h

349,300 = 320 x 9.8 x h

h = 349300 : 3136

h = 111,384 m

Answer:

melting ice cream

Explanation:

in order for the ice cream to melt, thermal energy (heat) must be applied to it.

Driving at a speed so fast that a driver cannot stop within the distance he/she can see with the use of headlights is called ___Overdriving headlights____

When a driver's sight is compromised by fog or darkness yet they continue to drive at a pace that prevents them from being able to stop in time to avoid objects in the road, it is sometimes referred to as "overdriving your headlights."

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The blue haze filling the valleys is likely caused by the release of volatile organic compounds (VOCs) from the conifer trees, combined with the warm, sunny weather. These VOCs can irritate the airways, causing an asthma attack in people with sensitivity, such as Sally.

The blue haze that Sally observed in the valleys around Lake Tahoe is likely the result of a phenomenon known as photochemical smog. This occurs when volatile organic compounds (VOCs) released from conifer trees combine with nitrogen oxides (NOx) from vehicle emissions and sunlight to form a toxic mixture of air pollutants. This mixture can be harmful to people with respiratory issues like asthma, as it can irritate the airways and trigger an asthma attack. The bright, sunny day and the increased number of vehicles driving around the scenic lake loop likely contributed to the formation of this smog. In general, high altitudes and areas with limited air movement can trap pollutants, leading to higher concentrations in the air and worsening air quality. People with respiratory issues should be cautious and take steps to protect their health when visiting these areas.

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the same is the answer

ok

Answer:

The finger moves at a changing rate along Line 2.

Explanation: Hope this helped! :p

Answer:

hide sample answer

The finger moves at a changing rate along Line 2.

Explanation:

Dennis, 60 feet in 0.5 seconds is the average speed of a pitcher's fastball. So, the correct option is (A).

Average speed is defined as the total distance covered by the object in a particular time interval. Average speed is a scalar quantity which is represented by the magnitude and not the direction.

The formula for average speed is found by calculating the ratio of the total distance traveled by the body to the time taken to cover that distance which is expressed as:

Average speed= Total distance travelled/ Time taken

The unit of the average speed is meter/second.

In the above given information, the pitcher's fastball average speed of Dennis is 120

Thus, Dennis, 60 feet in 0.5 seconds is the average speed of a pitcher's fastball. So, the correct option is (A).

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Answer:

300 Hz.

Explanation:

The frequency of a sound wave is the same as that of the source. For example, a tuning fork vibrating at a given frequency would produce sound waves that oscillate at the same frequency.

The frequency that you will hear when the tuning fork is stuck against a table is 300 Hz.

Frequency is a measurement of how often a repetitive event occurs in a given amount of time. It is commonly used to describe the rate at which waves oscillate or vibrate. The unit of frequency is hertz (Hz), which represents the number of cycles or oscillations per second.

For example, in the case of sound waves, frequency is related to the pitch of the sound. Higher frequency sound waves have a higher pitch, while lower frequency sound waves have a lower pitch. Similarly, in the case of electromagnetic waves such as light, frequency is related to the color of the light. Higher frequency electromagnetic waves correspond to colors such as blue and violet, while lower frequency electromagnetic waves correspond to colors such as red and orange.

The relationship between frequency, wavelength, and the speed of the wave is given by the formula:

frequency = speed of the wave / wavelength

This formula shows that the frequency of a wave is inversely proportional to its wavelength, assuming the speed of the wave remains constant. In other words, as the wavelength of a wave increases, its frequency decreases, and vice versa.

Frequency is an important concept in many fields, including physics, engineering, and communications. It is used to describe and analyze a wide range of phenomena, from the behavior of sound and light waves to the performance of electronic circuits and systems.

Here in the Question,

When a tuning fork is struck against a table, it vibrates at its natural frequency, which is determined by its physical properties such as its mass, shape, and material. The vibration of the tuning fork creates sound waves that travel through the air, and our ears perceive these waves as sound.

The frequency of the sound that we hear depends on the frequency of the sound waves that reach our ears. When the sound waves from the tuning fork travel through the air, they undergo a phenomenon called the Doppler effect, which causes the frequency of the sound waves to change depending on the relative motion between the source of the sound waves (the tuning fork) and the observer (our ears).

If the tuning fork is stuck against a table and is not moving relative to the observer, the frequency of the sound waves that reach our ears will be the same as the natural frequency of the tuning fork, which is given as 300 Hz in this case.

Therefore, the frequency that you will hear when the tuning fork is stuck against a table is 300 Hz.

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Answer: AERODYNAMIC BENEFITS

Explanation: The reason why a bicycle fairing will be helpful on a hand powered vehicle is because the fairing design is very important that is a long and also sealed fairing provides the best compensation for the added weight. However,for road riding,a tailbox may actually will not be able to repay the weight penalty.