an ambulance with a siren emitting a whine at 1600 hertz overtakes and passes a cyclist pedaling a bike at 2.44 meters per second. after being passed, the cyclist hears a frequency of 1590 hertz. how fast is the ambulance moving

The pressure exerted on the ground by the box of mass 5 kg is 0.98 N/m².

Pressure is defined to be the amount of force exerted per area acting on the surface of a body.

To calculate the preesure exerted on the ground, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the pressure exerted on the ground is 0.98 N/m².

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A parallel circuit is described as a type of circuit in which there are several current paths.

A parallel circuit is a type of electrical circuit where two or more components are connected in parallel, and each component has its path for electric current flow. The path is separate from all other parts, and each has the same voltage level. The current divides among each path according to the resistance value of the components in the circuit. Parallel circuits are used in various applications, including lighting in households, street lights, and other electronic devices. In a parallel circuit, the voltage across each component is the same, and the total current in the circuit is equal to the sum of the current flowing in each branch.

A parallel circuit is used in the household and other applications to prevent other electrical devices from overloading and cutting off electrical supply, for example, when several devices are plugged into a power source. In a parallel circuit, the voltage divider circuit can be used to divide the voltage among resistors. This is because the voltage across each component in a parallel circuit is the same, and we can use the equation V = IR to calculate the voltage divider.

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The radioulnar joint is a synovial joint located at the elbow that connects the radius and the ulna, enabling rotational motion.

The radioulnar joint allows for pronation and supination. Pronation refers to the motion of rotating the forearm so that the palm faces downwards, while supination refers to the motion of rotating the forearm so that the palm faces upwards. The radioulnar joint allows the radius and ulna to move relative to each other, resulting in rotational motion.

When the forearm is pronated, the radius rotates over the ulna and crosses it, while the ulna remains stationary. When the forearm is supinated, the radius rotates back to its original position, and the two bones are parallel to each other.The radioulnar joint is important in many activities, including writing, typing, playing musical instruments, and sports like tennis and golf. Any damage to this joint can result in a loss of pronation and supination, making daily activities challenging.

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Answer:

This is because the protons have more mass and are harder to get moving. Although electrons are very small, their negative electrical charges are still quite strong. Remember, the negative charge of an electron is the same as the positive electrical charge of the much larger in size proton.~Tori

Explanation:

The speed of rocket alpha as measured from rocket bravo is 0.31c due to head-on collision.

In physics, the change in momentum causes a head-on collision. As was already explained, an object's momentum is a property that results from a change in velocity in reaction to an applied force. Before a collision may occur, the momentum must equal zero and this is called head-on collision.

The target particle's velocity following a head-on impact in which the projectile is significantly more massive than the target will be roughly twice that of the projectile, but the projectile's velocity will remain practically unaltered.

speed of rocket alpha=0.90 c

speed of rocket bravo=0.52c

Now, in order to find the speed of rocket alpha measured from rocket bravo =0.90-0.52c

speed=0.31c

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The speed of the rocket alpha when observed from rocket bravo is calculated to be 1.42c.

Alpha rocket is travelling at a speed of 0.90c, while Bravo rocket is flying at a speed of 0.52c.

The two rockets are heading straight at one another in the same direction to collide.

When the rocket's frame of reference is the Bravo rocket, the rocket's speed can both be perceived from the earth's perspective and

Therefore, the rocket Bravo is moving, and the rocket Alpha will approach it more quickly.

If Rocket Alpha's speed is V₁ and Rocket Bravo's speed is V₂, then Rocket Alpha's speed from Rocket Bravo is V₁₂.

V₁₂ = 0.52 -(-0.90)

V₁₂ = 1.42c

Therefore, the rocket alpha's speed from the rocket bravo is 1.42c.

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This indicates that about \(3.13 x 10^{10}\) electrons have been extracted from the glass rod.

(a) Electrons have been removed from the glass rod. This is because when the rod is rubbed, electrons are transferred from the glass to the material it is rubbed against. Since electrons are negatively charged, the glass rod becomes positively charged as a result of losing electrons.

(b) The number of electrons removed can be calculated using the formula Q = ne, where Q is the charge on the rod, n is the number of electrons transferred, and e is the charge of an electron. Therefore, we can rearrange the formula to find n = Q/e. Plugging in the values for Q \((+5.0 nC)\) and e \((-1.6 x 10^-19 C)\), we get:

\(n = (+5.0 x 10^-{9 C}) / (-1.6 x 10^{-19 C}) ≈ -3.13 x 10^{10\) electrons

This means that approximately \(3.13 x 10^{10}\) electrons have been removed from the glass rod.

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The appropriate response is the heaviness of the fuel and or the typical force of the water acting on the oil, according to the supplied statement.

A bat pressing down on a ball is one example of how forces may be observed in daily life. Other examples include weight & force (i.e., the weight of something). the amount of pressure being applied when utilizing a brush to clean hair. the force your foot applies to the pedal when you are riding a bike.

Since oil has a lower density than water, it will naturally form a layer on the water's upper surface. Now, in accordance with Newton's law of action and reaction, the exerted by the pressure of the oil will act downward, leading to an equal but opposite acting as water does on the oil's surface.

The alternative is untrue because no one will ever create the ideal set of forces acting in concert.

The right answer is thus the volume of the oil or the usual force that the water applies to the oil.

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The horizontal component of the velocity is equal to: D. 15 m/s.

Given the following data:

To determine the horizontal component of the velocity:

The horizontal component of the velocity represents the influence of velocity  in displacing an object or projectile in the horizontal direction.

Mathematically, the horizontal component of velocity is given by the formula:

\(V_x = Vcos(\theta)\)

Substituting the given parameters into the formula, we have;

\(\\\\V_x = 30cos(60)\\\\V_x = 30 \times 0.5\)

Horizontal component, Vx = 15 m/s

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Answer:

The force of gravity acting on a 10 kg object is 98N.

Explanation:

What is gravity?

How to calculate the force of gravity acting on a body?

        where F = the force of gravity

        m = mass of the object and

        g = acceleration due to gravity

It is given that

Putting these values in the equation  F = mg, we find

F = 10 kg x 9.8 m/s²

  = 98 kgm/s² or 98 N.

Therefore, the force of gravity acting on a 10 kg object is 98N.

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Answer:

In the core of the Sun hydrogen is being converted into helium. This is called nuclear fusion. It takes four hydrogen atoms to fuse into each helium atom. During the process some of the mass is converted into energy.

Answer:

Hydrogen in the middle of the sun is being converted into helium. This helium that was just converted from hydrogen (air as we know it) is now called Nuclear Fusion.

Explanation:

Answer:

neutron.

Explanation:

subatomic particles include,

neutron.

proton.

electron.

hope it helps. :)

Answer:

peanuts

Beans

Clover

Explanation:

Spinach, carrots, and potatoes are not legumes but rather vegetables.

Also I’m in Culinary 1. Attached pic of from my class.

Answer:

get it done for free on www.brainly.com

Explanation:

Answer:

I will give you $0

Explanation:

I have hardly any money and I don't feel like giving you any.

You can do my work for $0

Thanks! :)

No, the work done in this particular case is zero.

Work is the energy transferred to/from an object via the application of force along a displacement. In its simplest form, for constant force aligned with the direction of motion, it is the product of the force and the distance traveled. It is defined as the multiplication of magnitude of displacement d and the component of the force that is in the direction of displacement.

W = F × d

Where, W = Work

F = Force

d = displacement

Since, for the given case there is no displacement in the position of refrigerator there will be no work done.

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The diameter of mars in kilometers is 6,799 km

Any straight line segment that traverses a circle's center and has endpoints that are on the circle is considered a segment of the circle's diameter. The circle's longest chord is another way to describe it. For a sphere's diameter, both definitions are appropriate.

As you are aware: 12,756 km is Earth's diameter; the percentage of Earth's diameter: 53.3% in decimal form is 0.533 (53.3% 100).

You must look for the following: the size of Mars

The equation you must apply is as follows: (Earth's radius) (decimal equivalent)

the size of Mars

Find the solution to the equation for Mars' diameter: (12,756 km) (0.533) (0.533)

6,799 km

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The complete question is-The diameter of the Earth is 12,756 kilometers. Mars has a diameter that is 53.3 percent that of Earth. Determine the diameter of Mars.

Answer:

0.137m²

Explanation:

Pressure = Force/Area

Given

Force = 41,500N

Pressure = 3.00atm

since 1atm = 101325.00 N/m²

3atm = 3(101325.00)

3atm = 303,975N/m²

Pressure = 303,975N/m²

Get the area

Area = Force/Pressure

Area = 41500/303,975

Area = 0.137m²'

Hence the surface area of the  inside of the tire is 0.137m²

Answer:

b.false i think

Explanation:

i hope i am correct and helps you

Answer:false

Explanation:

I just did it

A major flaw in Copernicus's model was that it still had (d) circular orbits.

A major flaw in Copernicus's model was that it still had circular orbits. This means that Copernicus's model still assumed that the planets moved in perfect circles around the Sun, which was not accurate. Later observations and research showed that the planets actually move in elliptical orbits, not circular ones. This flaw in Copernicus's model was later corrected by Johannes Kepler, who developed the laws of planetary motion that are still used today.

Overall, while Copernicus's model was a major advancement in understanding the structure of the solar system, it was not without its flaws. The assumption of circular orbits was one of the major flaws that needed to be corrected in order for the model to accurately reflect the true nature of the solar system.

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The potential energy is highest at a point that is at the maximum height with respect to ground.

The formula to find the potential energy near earth's surface is -

U = mgh

Given is to identify the point where potential energy is largest.

The potential energy is highest at a point that is at the maximum height with respect to ground.

Therefore, the potential energy is highest at a point that is at the maximum height with respect to ground.

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Answer:

D- fuerza nuclear fuerte

Explanation:

Answer:

Accuracy is how far off a measurement is from its true value. A measured value that's far from a true value is inaccurate, while a measure that is close to a true value is accurate.

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We are asked to determine a set of parametric equations for the parabolic motion of an object. The parametric equations for such a motion is given by:

To determine the velocity we will solve for "t" in equation (1):

Now, we will replace this in equation (2):

Simplifying:

Now we replace the values x = 54.5 and y = 0:

Simplifying:

Now we solve for "v":

Solving the operation:

taking the square root:

Therefore, the velocity is 39.54 ft/s.

The average force the cylinder exerts on the nail while pushing it into the block is 196.6 N, expressed in the appropriate units.

To find the average force the cylinder exerts on the nail while pushing it into the block, we need to use the work-energy theorem. The theorem states that the net work done on an object is equal to its change in kinetic energy.

In this case, we can assume that all of the gravitational potential energy of the cylinder is converted into kinetic energy just before it hits the nail.

The initial potential energy of the cylinder is given by mgh, where m is the mass of the cylinder, g is the acceleration due to gravity, and h is the height from which the cylinder is dropped. Substituting the given values, we get:

Initial potential energy =\((20.0 )(9.81 )(1.50 ) = 294.3\)

The final kinetic energy of the cylinder just before it hits the nail is given by\((1/2)mv^2\), where v is the speed of the cylinder. We can solve for v by equating the initial potential energy to the final kinetic energy:

\(294.3 J = (1/2)(20.0 )v^2\)

\(v = \sqrt{2 * 294.3 J} ) / (20.0 kg)) = 3.42 m/s\)

Now, to find the average force exerted by the cylinder on the nail, we need to use the impulse-momentum theorem. This states that the impulse (change in momentum) of an object is equal to the force applied to it multiplied by the time during which the force is applied.

Since the cylinder comes to rest immediately after hitting the nail, we can assume that the time during which the force is applied is very short. Therefore, we can approximate the average force as the peak force, which is equal to the momentum change of the cylinder divided by the time it takes to stop.

The momentum of the cylinder just before it hits the nail is given by p = mv, where m is the mass of the cylinder and v is the speed we just calculated. Substituting the given values, we get:

p = (20.0 kg)(3.42 m/s) = 68.4 kg m/s

The momentum of the cylinder just after it hits the nail is zero, since it comes to rest. Therefore, the momentum change is simply equal to the initial momentum. To find the time it takes for the cylinder to stop, we need to use the kinematic equation v = at, where a is the acceleration of the cylinder while it is in contact with the nail, and t is the time during which the force is applied.

\(3.42 m/s = (9.81 m/s^2)t\)

t = 0.348 s

Now we can calculate the average force:

Average force = peak force = momentum change / time = 68.4 kg m/s / 0.348 s = 196.6 N

Therefore, the average force the cylinder exerts on the nail while pushing it into the block is 196.6 N, expressed in the appropriate units.

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Collimators that automatically restrict the beam to the size of the cassette have a feature called "Automatic Collimation A collimator is a device that controls the spread of radiation.

The primary aim of a collimator is to reduce the radiation dose by restricting the size of the X-ray beam.A collimator has a light source that illuminates the area being examined in certain types of X-ray examinations. It allows the operator to adjust the collimator settings to the size of the body part being tested in certain instances.

The light source is gravity in most situations to highlight the edges of the field being examined. Automatic collimation is a feature in certain collimators that automatically restricts the beam to the size of the cassette. The purpose of automatic collimation is to lower radiation exposure while increasing imaging quality. In conclusion, collimators that automatically restrict the beam to the size of the cassette have a feature called automatic collimation.

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If the plates are moved closer together, the velocity with which the electrons hit the plate will increase. This is because the distance between the plates affects the electric field strength between them. When the plates are closer together, the electric field becomes stronger.

To understand this, let's consider a parallel plate capacitor, which consists of two conducting plates separated by a distance d. When a voltage is applied across the plates, an electric field is created between them. Electrons, being negatively charged, will be attracted to the positively charged plate and repelled from the negatively charged plate.

When the plates are moved closer together, the electric field becomes stronger. As a result, the force on the electrons is greater, causing them to accelerate more. According to Newton's second law of motion, F = ma, where F is the force, m is the mass, and a is the acceleration. Since the force on the electrons increases, their acceleration also increases.

The velocity of an object is directly proportional to its acceleration. Therefore, if the acceleration of the electrons increases, their velocity will also increase. Consequently, when the plates are moved closer together, the velocity with which the electrons hit the plate will increase.

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The horizontal component of velocity is

(22 m/s) • cosine(62°).

The vertical component of velocity is

(22 m/s) • sine(62°).

These are the original components, right after the kick. As time goes on, the horizontal one doesn't change. But the vertical one gets bigger and bigger, because gravity is accelerating the ball downward.

That's the complete story of projectile motion.

Answer:

I = V / R

I1 = 6 / 500 = .012   amps for full scale deflection

I2 = 6 / 600 = .01   amps for full scale deflection

I = 8 / 1100 = .00727   amps thru load (actual current)

D1 = .00727 / .012 = .606 of full scale deflection

D2 = .00727 / .01 = .727    of full scale deflection

V1 = .606 * 6 = 3.64 V  (of 6 V)

V2 = .727 * 6 = 4.36 V   (of 6 V)

Check: V1 + V2 = 3.64 + 4.36 = 8 V

Answer:

5824 yards^2

Explanation:

area = length x width

area = 112 x 52

area = 5824

Answer:

5824 squared yards

Explanation:

The amount of charge on the parallel-plate capacitor and electric field decreases during this process.

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Question:

The plates of a parallel-plate capacitor are maintained with a constant voltage by a battery as they are pulled apart. How is the strength of the electric field affected during this process?

A)The electric field between the plates becomes infinite.

B)The strength of the electric field increases during this process.

C)The amount of charge on the parallel-plate capacitor and electric field decreases during this process..

D)The electric field between the plates becomes zero.

E)The strength of the electric field remains constant.

Answer:

Explanation:

time =d/s

therefore, t =8.5/2.8

t=3.02s