The frequency of a F-sharp sound wave in music is 370 Hz, and its wavelength is 0.93 m. what is the wave speed?

According to the satellites' orbits and the speed at which they move, it either happens frequently or always.

As we begin to examine satellite orbits, we find that a circular orbit places the satellite always perpendicular to the object's net force and speed.

The orbit is stretched, just like in elliptical orbits. This informs us that the orbit has four points. As a result, the satellite rarely faces the satellite's net force in a perpendicular direction.

Rarely and always for elliptical orbits. According to the satellites' orbits and the speed at which they move, it either happens frequently or always.

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Answer:

elastic

Explanation:

if you stretch it it will go back to its shape, and also it is the only one that makes sense.

Answer:

Elastic

Explanation:

I got it right

Answer:

t = 0.75 seconds

Explanation:

Given that,

The initial speed of a ball, u = 7.5 m/s

We need to find the time taken by the ball to reach the maximum height. Let t is the time taken.

At maximum height, its final speed, v = 0 and it will move under the action of gravity.

Using the equation of motion to find t.

\(v=u+at\)

Use a = -g

\(v=u-gt\\\\t=\dfrac{u}{g}\\\\t=\dfrac{7.5}{10}\\\\t=0.75\ s\)

Hence, the ball will take 0.75 seconds to reach the maximum height.

The expression for acceleration in terms of velocities v1 and v2 at the two photogates and the time interval Δt is: a = (v2 - v1) / Δt

Where 'a' represents the acceleration, 'v1' represents the velocity at the first photogate, 'v2' represents the velocity at the second photogate, and 'Δt' represents the time interval between the two photogates.

The expression (v2 - v1) is the change in velocity (Δv) during the time interval Δt, thus the final expression of acceleration is a = Δv / Δt. This is the formula used to calculate acceleration when given the velocities at two photogates and the time interval between them.

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Answer:

Because the sun gives off a type of light that carries energy, and light from the desk lamp does not.

Explanation:

All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays. Radiation is one way to transfer heat.

The difference of time between a sound from the stage reaching your ear directly and the same sound reaching your ear after reflecting from the back wall would be 0.036s.

An echo is a reflection of sound that comes to the audience with a delay after the direct sound in audio signal processing and acoustics. The delay is directly proportionate to the separation between the source and the listener of the reflecting surface. One the kind audio effect that involves significantly delaying a signal is an echo effect. In this instance, after some period of time, listeners hear the same signal repeated clearly. When there is a noticeable delay in the sound, listeners can differentiate individual echoes.

The person seated in the middle row:

The distance sound traveled to middle row => 25/2 = 12.5m

The total distance the sound traveled to full length of auditorium and to the middle row => 25+12.5 => 37.5m

t1 => d1/v => 12.5/343 => 0.036s

t2 => d2/v => 25/343 => 0.072s

t2-t1 => 0.036s

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The gain in translational kinetic energy of the cylinder when it has rolled 5m down the incline of the plane is approximately 345.6 J.

Given data:

Diameter, d = 0.20 mRadius,

r = 0.10 mMass of cylinder,

m = 12 kgInclined angle, θ = 37°

Distance traveled by cylinder, s = 5m

We know that work done by the gravitational force is the change in potential energy.

W=Fhsinθ... (1)

The kinetic energy of rolling objects is equal to its rotational kinetic energy plus its translational kinetic energy.

K = 1/2Iω² + 1/2mv²... (2)

The moment of inertia of a solid cylinder I=mr²/2.

Using conservation of energy principle:

Gain in translational kinetic energy of the cylinder is equal to the loss in potential energy.

Thus,

½mv²=mgH-mgSins....(3)

When the cylinder rolls without slipping, its velocity is equal to its angular velocity multiplied by its radius

v=ωr

Therefore, the rotational kinetic energy can be expressed as

1/2Iω²=1/2mr²ω²/2.... (4)

Using equations (1), (2), (3), and (4),

we can find the gain in translational kinetic energy of the cylinder while it rolls 5m down the incline of the plane.

K=1/2mv²=1/2m(v=ωr)²=1/2mr²ω²/2=1/2Iω²=1/2(12)(0.10)²(2/2)=0.12J... (5)

Potential energy, P=mgh=mgSins=12(9.8)(5)sin37°=294.2 J... (6)

So, using equations (5) and (6), we can get the gain in translational kinetic energy of the cylinder to be approximately:

K = 294.2 J – 0.12 J = 294.08 J

Therefore, the gain in translational kinetic energy of the cylinder when it has rolled 5 m down the incline of the plane is approximately 345.6 J.

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The question is: HELPAAAAAAA A mountain biker moves downhill if he accelerates at 3 m / s2 and takes 15 minutes (900 seconds) down, how far does he travel? HELP ME PLEASE

Answer: The distance travelled by the mountain biker is 2430 km.

Explanation:

Given: Acceleration = \(3 m/s^{2}\)

Time = 15 minutes (900 sec)

Displacement = ?

Formula used to calculate the final velocity is as follows.

\(v = u + at\)

where,

v = final velocity

u = initial velocity = 0 m/s (here)

t = time

a = acceleration

Substitute the values into above formula as follows.

\(v = u + a \times t\\v = 0 + 3 m/s^{2} \times 900 s\\= 2700 m/s\)

The relation between velocity (speed) and distance is as follows.

\(Speed = \frac{Distance}{time}\\2700 m/s = \frac{Distance}{900 s}\\Distance = 2430000 m (1 m = 0.001)\\= 2430 km\)

Thus, we can conclude that distance travelled by the mountain biker is 2430 km.

Answer:

D. 100 J

Explanation:

Given

Mass (m) = 2 kg

Height (h) = 5 m

Acceleration due to gravity (g) = 10 m/s²

Now

Work done(W)

= m * g * h

= 2 * 10 * 5

= 100 Joule

Hope it will help :)❤

The work done in uplifting a brick having a mass of 2kg along with a height of 5m above ground level would be:

D). 100 J

Given that,

Mass of the brick \(= 2Kg\)

Height of the brick \(= 5m\)

As we know,

Work Done (W) \(= mgh\)

where

m = Mass

g = Acceleration due to gravity

h = height

A.T.Q.

By substituting the given values, we get;

\(Work Done (W)\) \(= 2\) × \(10\) × \(5\)            (taking \(g = 10 m/s^2\))

\(= 100 J\)

Thus, the work done is 100 J and hence, option D is the correct answer.

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The correct answer is (d) Red, that is, red is the color that is least affected by diffraction.

Diffraction is the bending or spreading of waves around obstacles or through small openings. It occurs when waves encounter an obstacle or a slit that is similar in size to the wavelength of the wave. The degree of diffraction depends on the wavelength of the wave and the size of the opening or obstacle.

The amount of diffraction increases as the wavelength of light increases or as the size of the opening or obstacle decreases. In other words, longer wavelengths are less affected by diffraction compared to shorter wavelengths.

Among the colors listed, red light has the longest wavelength and violet light has the shortest wavelength. Therefore, red light is least affected by diffraction compared to the other colors. Green and yellow light have intermediate wavelengths, while violet light has the shortest wavelength and is most affected by diffraction.

The color that is least affected by diffraction is red (d).

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These numbers are so different because Outliers who win very little prize money pull the median down. Thus, the correct option for this question is A.

Compensation may be characterized as the process of monetary payment that is correspondingly given to an individual in exchange for their services. It includes salary or wages in addition to commission and any incentives or perks that come with the given employee's position.

According to the context of this question, the average compensation for female tennis players is $283,635, but the median compensation is much lower at around $76,000. This is due to the existence of outliers who win. They pull down the median of the money with respect to the average compensation.

Therefore, these numbers are so different because Outliers who win very little prize money pull the median down. Thus, the correct option for this question is A.

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Answer:

Solve:

1/2(.5)(36)+1/2(1)(144)=

1/2(.5)(196)+1/2(1)(x^2)

9+72=49+.5x^2

81=49+.5x^2

32=.5x^2

64=x^2

x=8 m/s

Thus, the speed of the second ball after the collision is 8 m/s.

Hope this helps! Good luck!

Answer:

Science and technology have had a major impact on society, and their impact is growing. By drastically changing our means of communication, the way we work, our housing, clothes, even the length, and quality of life itself, science has generated changes in the moral values and basic philosophies of mankind.

Explanation:

The correct graph should have a positive slope for the initial acceleration phase, a horizontal line for the constant velocity phase, and a negative slope for the deceleration phase.

To determine which graph represents the motion correctly, let's analyze the given information step by step.

The car starts from rest and accelerates at 1 m/s² for 2 seconds.

During this period, the velocity of the car increases linearly, as the acceleration is constant. Therefore, the graph representing this phase should be a straight line with a positive slope.

The car then continues at a constant velocity for 10 seconds.

Since the car maintains a constant velocity during this period, the graph representing this phase should be a horizontal line, indicating no change in velocity.

The car sees a tree blocking the road and applies brakes, decelerating at 1 m/s² until it comes to rest.

During this phase, the car's velocity decreases linearly due to the deceleration. Therefore, the graph representing this phase should be a straight line with a negative slope.

Based on this analysis, the correct graph should have a positive slope for the initial acceleration phase, a horizontal line for the constant velocity phase, and a negative slope for the deceleration phase.

Among the given options, the graph that represents the motion correctly is likely to be a graph that meets these criteria. However, since the options were not provided, I'm unable to directly identify the correct graph.

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Answer:The disturbance created by a source of sound in the medium travels through the medium and not the particles of the medium

Explanation:i hope this is right

It accelerates at about 32 feet per second every second, so it starts falling at zero feet per second and, one second later it is traveling at 32 feet per second. That means that its average speed is 16 feet per second, so it will fall 16 feet in the first second.

\(1) \: electromagnet\)

the former is made up of hard materials while the latter one is made up of soft materials

\(2) \: permanent \: magnet\)

permanent magnet are permanently magnetized while electromagnets are temporarily magnetized

A car moving to the right will still go to the right when the braking force is applied is about negative acceleration.

Any procedure where the velocity varies is referred to as acceleration. There are only two ways to accelerate: changing your speed or changing your direction, or changing both. This is because velocity is both a speed and a direction.

When an item experiences negative acceleration, its velocity changes in a negative direction, which can suggest that it is moving either slower or faster. In physics, a change in an object's velocity is referred to as "acceleration."

Since this change in velocity is a vector quantity, it denotes both magnitude and direction. Positive velocity is also a vector, and experiencing negative acceleration means that something is slowing down.

Therefore, A car moving to the right will still go to the right when the braking force is applied is about negative acceleration.

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9. The object's acceleration will decrease if the net force applied to the object is constant but the total mass increases. 10. The objects acceleration will increase if the net force was increase and the mass was kept constant

F = m a

F = Force

m = Mass

a = Acceleration

a ∝ F

a ∝ 1 / m

9 ) Since Force is constant and mass increases, the acceleration will decrease.

10 ) Similarly if the net force increases while the mass is kept constant, the acceleration will increase.

According to Newton's second law of motion, force is equal to the rate of change of momentum. For a constant mass force equals mass of the object times acceleration of the object.

Therefore,

9. The object's acceleration will decrease if the net force applied to the object is constant but the total mass increases.

10. The objects acceleration will increase if the net force was increase and the mass was kept constant

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Answer:

Explanation:'Distance' is the total length travelled by an object. The standard unit is the 'metre'.

A distance-time graph shows how far an object has travelled in a given time.

Distance is plotted on the Y-axis (left) and Time is plotted on the X-axis (bottom)

The answers to the given questions are as follows:

a) Transmissivity of the aquifer with a thickness of 20 m and hydraulic conductivity of 20 cm/day is 0.1667 m²/day.

b) i) The total daily flow through a confined aquifer with a thickness of 33 m, width of 7 km, distance between observation wells of 1.2 km, and hydraulic conductivity of 1.2 m/day is 5.25 m³/day.

ii) The transmissivity of the aquifer is 39.6 m²/day.

c) The daily flow of water through a confined aquifer with a thickness of 35 m, width of 5 km, the distance between observation wells of 1.5 km, and hydraulic conductivity of 2.5 m/day is 16.67 m³/day

(a) To calculate the transmissivity of the aquifer, we need to convert the hydraulic conductivity from cm/day to m²/day.

Given:

Thickness of the aquifer (h) = 20 m

Hydraulic conductivity (K) = 20 cm/day

Transmissivity (T) is calculated as:

T = K × h

Converting hydraulic conductivity to m/day:

K = 20 cm/day × (1 m/100 cm) × (1 day/24 hours)

   = 0.008333 m/day

Substituting the values:

T = 0.008333 m/day × 20 m

  = 0.1667 m²/day

Therefore, the transmissivity of the aquifer is 0.1667 m²/day.

(b) Thickness of the confined aquifer (h) = 33 m

Width of the aquifer (L) = 7 km = 7000 m

Distance between the observation wells (d) = 1.2 km = 1200 m

Head in Well 1 (h1) = 97.5 m

Head in Well 2 (h2) = 89.0 m

Hydraulic conductivity (K) = 1.2 m/day

i. To calculate the total daily flow through the aquifer, we can use Darcy's Law:

Q = K × L × (h1 - h2) / d

Substituting the given values:

Q = 1.2 m/day × 7000 m × (97.5 m - 89.0 m) / 1200 m

Q = 5.25 m³/day

ii. The transmissivity (T) of the aquifer is calculated as:

T = K × h

Substituting the given values:

T = 1.2 m/day × 33 m

  = 39.6 m²/day

(c) Thickness of the confined aquifer (h) = 35 m

Width of the aquifer (L) = 5 km = 5000 m

Distance between the observation wells (d) = 1.5 km = 1500 m

Head in Well 1 (h1) = 100 m

Head in Well 2 (h2) = 85 m

Hydraulic conductivity (K) = 2.5 m/day

To calculate the daily flow of water through the aquifer, we can use Darcy's Law:

Q = K × L × (h1 - h2) / d

Substituting the given values:

Q = 2.5 m/day × 5000 m × (100 m - 85 m) / 1500 m

Q = 16.67 m³/day

Therefore, the daily flow of water through the aquifer is 16.67 m³/day.

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When a piece of clay collides with the edge of a stationary disc and sticks, it causes the disc to rotate clockwise around its frictionless axle at the center.

The collision between the piece of clay and the edge of the disc results in the transfer of angular momentum from the clay to the disc. Initially, the disc is at rest, so its angular momentum is zero. However, when the clay sticks to the disc, it adds its own angular momentum to the system. According to the law of conservation of angular momentum, the total angular momentum of the system remains constant.

The clay's angular momentum is nonzero because it has a tangential velocity due to its collision with the edge of the disc. By sticking to the disc, the clay transfers this angular momentum to the disc, causing it to start rotating. Since the clay collides with the edge and sticks, it exerts a torque on the disc, resulting in the disc's clockwise rotation around its frictionless axle. The rotational motion of the disc continues until an external torque is applied to the system or until the disc's angular momentum is dissipated through friction or other means.

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When a piece of clay collides with the edge of a stationary disc and sticks, it causes the disc to rotate clockwise around its frictionless axle at the center.

The collision between the piece of clay and the edge of the disc results in the transfer of angular momentum from the clay to the disc. Initially, the disc is at rest, so its angular momentum is zero. However, when the clay sticks to the disc, it adds its own angular momentum to the system. According to the law of conservation of angular momentum, the total angular momentum of the system remains constant.

The clay's angular momentum is nonzero because it has a tangential velocity due to its collision with the edge of the disc. By sticking to the disc, the clay transfers this angular momentum to the disc, causing it to start rotating. Since the clay collides with the edge and sticks, it exerts a torque on the disc, resulting in the disc's clockwise rotation around its frictionless axle. The rotational motion of the disc continues until an external torque is applied to the system or until the disc's angular momentum is dissipated through friction or other means.

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Answer:

Velocity is quickness of motion or action. A synonym is celerity; a simpler word is speed. In physics, velocity specifically refers to the measurement of the rate and direction of change in position of an object.pls pls mark me branilest

Answer:

Velocity is defined as displacement travelled per unit time in a fixed direction. It is a vector quantity as it has both magnitude and fixed direction.

Please mark me brainliest.

Answer:

v0=72 km/h:3.6=20 m/s

a=F/m=10/2=5m/s^2

t=(vf-v0)/a

t= (30-20)/5=10/5=2s

If we throw a socks in to the bowl then it is going with a few unfold situation by means of the projectile and follows the trajectory. Crumpled paper use for the projectile additionally works gud for the simulation.

Crumpled paper has irregular form and mild in weight and it is able to divert in a way by air force or by means of any other motive mild weight. hence simulation and projectile interest are interlinked to every different.

Projectile motion is used in many real-life applications such as designing rockets, ballistic missiles, and artillery, as well as in sports such as baseball, golf, and archery. The concept of projectiles is also relevant in fields such as engineering, military science, and sports. For example, the design of a projectile such as a bullet or missile can affect its accuracy and effectiveness, while knowledge of projectile motion can aid in the design of sports equipment such as golf clubs or javelins.

When a projectile is launched, it follows a curved path known as a trajectory, which is determined by the initial velocity, angle of launch, and the gravitational and atmospheric forces acting on it. The motion of projectiles is studied in physics, where concepts such as projectile motion, trajectory, range, and maximum height are analyzed.

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Answer:

Your answer is: K.E = 8.3 J

Explanation:

If the height (h) = 169.2 meters (m) and the mass (m) is 0.005 kilograms (kg) the total energy will be kinetic energy which is equal to the potential energy.

K.E = P.E and also P.E equals to mgh

Then you substitute all the parameters into the formula  ↓

P.E = 0.005 × 9.81 × 169.2

P.E = 8.2908 J

So your answer is 8.2908 but if you round it is K.E = 8.3