If a bird catches its prey from a height which is initially at rest them the momentum is conserved for

In order to compare the numbers, let's put all of them into the decimal form:

We can see that the greater one is 26.8 (all other numbers are close to 2, and this one is close to 27).

The numbers in decrescent order are:

26.8, 271%, 2.62, 2 2/5, 2.26.

Answer:

26.8

Explanation:

2.26 < 2.4 < 2.62 < 271/100 = 2.71 < 26.8

The force of friction between the losing player’s feet and the grass is 692 N.

The force of friction between the losing player’s feet and the grass is calculated by applying Newton's second law of motion as shown below.

F(net) = ma

where;

F - Ff = ma

where;

800 - Ff = 90 x 1.2

800 - Ff = 108

Ff = 800 - 108

Ff = 692 N

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Answer:

c

Explanation:

step by step hope this helps you got this!!

Answer:

A

Explanation:

Answer:

amu is atomic mass unit

All of elements hydrogen is the lightest.

Hydrogen is taken as a basic unit so it happened 1amu

So 1 amu must be hydrogen mass

If I am wrong,Pls tell me the true answer....

As Kyle caught the ball, it was moving horizontally at a speed of roughly 0.116 m/s.

Momentum, which is the outcome of an object's mass and velocity, is used to represent mass in motion. An impulse is a force that is used to alter an object's velocity. The impulse, J, and the change in momentum of an object, p=m(vfvi), are equivalent.

mgh = (90.0 kg)(9.81 m/s²)(0.589 m) = 520.6 J

Therefore, Kyle's velocity just as he catches the ball is:

√{1}{2}mv² = 520.6 J implies v = √{2(520.6 J)}{90.0 kg} approx 10.4 m/s

Now, we can use Kyle's velocity and the horizontal distance he traveled to find the time he was in the air. The time is given by:

Delta x = vt implies t = {Delta x}{v} = {0.0396 m}{10.4 m/s} approx 0.0038 s

h = {1}{2}gt² implies t = √{2h}{g} = √{2(0.589 m)}{9.81 m/s²} approx 0.341 s

During this time, the ball traveled a horizontal distance of:

Delta x = vt = (v_{x,ball})(t) implies v_{x,ball} = {Delta x}{t} = {0.0396 m}{0.341 s} approx 0.116 m/s

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a. Nusselt number (Nu) represents the ratio of convective to conductive heat transfer, indicating the efficiency of convective heat transfer.

b. The Reynolds number (Re) influences the Nusselt number by determining the flow regime, with higher Reynolds numbers corresponding to higher Nusselt numbers and more efficient convective heat transfer.

a. The physical significance of the Nusselt number is that it provides information about the efficiency of convective heat transfer. A higher Nusselt number indicates that convective heat transfer is more dominant compared to conductive heat transfer. It is commonly used to analyze heat transfer in fluid flows, such as in pipes, channels, or heat exchangers.

b. The Reynolds number influences the Nusselt number because it affects the flow regime and flow behavior. In forced convection heat transfer, the Reynolds number determines whether the flow is laminar or turbulent. The transition from laminar to turbulent flow is characterized by a critical Reynolds number.

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Answer:

Explanation: you can choose B or C but i would choose C

The magnitude of the gravitational force is 7×10⁻⁷ N and the magnitude of the gravitational force due to Jupiter is 1.35×10⁻6 N.

Gravitational potential energy is the energy which a body posses because of its position.

The gravitational potential energy of a body is given as,

= G = Fr²/Mm

Here, (m) is the mass of the body, (F) is the gravitational force and (r) is the height of the body.

The mass of baby is 4.20 kg and mass of father is 100 kg. The distance between them is 0.200 m. Put the values in the above formula as:

= 6.67 X 10⁻¹¹ =  F (0.200)² / 100 X 4.20

= F = 7 X 10⁻⁷ N

The magnitude of the force on the baby due to Jupiter if it is at its closest distance to Earth, some 6.29×1011 m.

Put the values in the above formula again as:

= 6.67 X 10⁻¹¹ =  F (6.29 X 10¹¹)² / 1.9 X 10²⁷ X 4.20

= F = 1.35 X 10⁻⁶ N

Thus, the magnitude of the gravitational force is 7×10⁻⁷ N and the magnitude of the gravitational force due to Jupiter is 1.35×10⁻6 N.

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Answer:

5.972 × 10^24 kg

Explanation:

Answer:

When a diamagnetic substance is placed in a varying magnetic field, it tends to move away from the stronger to the weaker part of the magnetic field.

Explanation:

Diamagnetic atoms are slightly repelled by magnetic fields.

The magnetic fields of permanent magnets are the sums of the nuclear spins, the electron spins and the orbits of the electrons themselves. A magnetic field is stationary and referred to as a magnetostatic field.

Answer:

C) ballon does determine the direction

Explanation:

Explanation:

its B, It would push it the opposite

When shooting a bow and arrow, the archer pulls back the string and flexes the bow, storing potential energy.

Potential energy is the energy stored in an object due to its position or configuration. This type of energy is the stored energy of an object, which can be released and transformed into other forms of energy, such as kinetic energy. Potential energy is associated with forces such as gravity, electrical, and chemical, which can cause a change in an object’s energy state. Examples of potential energy include a stretched bow and arrow, a roller coaster at the top of a hill, and a compressed spring.

This potential energy is then transferred to the arrow in the form of kinetic energy. The arrow is then put in motion by the archer and due to the force of the bowstring, work is done in the form of acceleration. The arrow is then released and the kinetic energy propels it towards the target.

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The required plate area is  1.78 x 10-3 m² if the parallel plate capacitor has a plate separation of 14.00 mm if it has a  capacitance of 9.00 pf.

To calculate the required plate area of a parallel plate capacitor to provide a capacitance of 9.00 pF with a plate separation of 14.00 mm and material between the plates being air,

the equation C = ε0A/d can be used.
Where C is the capacitance,

ε0 is the permittivity of free space,

A is the plate area, and

d is the plate separation.

Rearranging the formula in terms of Area,

Therefore A = (C x d) / ε0
Substituting the values
A = (9.00 pF x 14.00 mm) / 8.85 x 10-12 F/m
A = 1.78 x 10-3 m²

Therefore, the required plate area is 1.78 x 10-3 m² to provide a capacitance of 9.00 pF with a plate separation of 14.00 mm and material between the plates being air.

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The information given outlines a pharmaceutical dose schedule of 0.2 to 0.7 mcg/kg/hour administered via titrable IV infusion with a frequency of continuous.

This indicates that the medication is administered intravenously (into a vein) at a rate that can be adjusted from 0.2 to 0.7 micrograms per kilogramme of body weight per hour, and the infusion is set to continue continuously without interruption.

Due to the infusion's ability to be altered based on the patient's response to the medicine, it is titratable. The continuous element of the infusion ensures that the medication is continually administered over time rather than in sporadic dosages.

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Correct Question:

Explain about 0.2 to 0.7 mcg/kg/hour route: titratable iv infusion frequency: that is continuous.

(i)Therefore, it takes approximately 9.27 hours to reach its full power output.(ii)It is necessary to have quick-start power sources, this helps maintain a stable and reliable electricity supply even when wind speeds fluctuate.(c)The Bremsstrahlung effect needs to be considered to ensure proper radiation protection.(d) The near-field region is characterized by strong electric and magnetic fields while the far-field region represents the radiation zone.

(i) To calculate the time it takes for the power station to reach its full power output, we can use the formula:

Energy = Power × Time

Given that the power station generates 6120 MWh of energy over a 10-hour period and the rated power at full capacity is 660 MW, we can rearrange the formula to solve for time:

Time = Energy ÷ Power

Converting the energy to watt-hours (Wh):

Energy = 6120 MWh × 1,000,000 Wh/MWh = 6,120,000,000 Wh

Converting the power to watt-hours (Wh):

Power = 660 MW × 1,000,000 Wh/MW = 660,000,000 Wh

Now we can calculate the time:

Time = 6,120,000,000 Wh ÷ 660,000,000 Wh ≈ 9.27 hours

Therefore, it takes approximately 9.27 hours (or 9 hours and 16 minutes) for the power station to reach its full power output.

(ii) The type of power station that can be started up fastest is a gas-fired power station. Gas-fired power stations can reach full power output relatively quickly because they use natural gas combustion to produce energy.

In contrast, other types of power stations, such as coal-fired or nuclear power stations, have longer start-up times. Coal-fired power stations require time to heat up the boiler and generate steam, while nuclear power stations need to go through a complex series of procedures to ensure safe and controlled nuclear reactions.

This is relevant to optimizing the usage of windfarms because wind power is intermittent and dependent on the availability of wind. This helps maintain a stable and reliable electricity supply even when wind speeds fluctuate.

(c) The Bremsstrahlung effect is a phenomenon that occurs when charged particles, such as electrons, are decelerated or deflected by the electric fields of atomic nuclei or other charged particles. As a result, they emit electromagnetic radiation in the form of X-rays or gamma rays.

In shielding design, the Bremsstrahlung effect needs to be considered to ensure proper radiation protection. These materials effectively absorb and attenuate the emitted X-rays and gamma rays, reducing the exposure of individuals to harmful radiation.

(d) The electromagnetic field output from an antenna can be represented by two main regions:

Near-field region: This region is closest to the antenna and is also known as the reactive near-field. It extends from the antenna's surface up to a distance typically equal to one wavelength. In the near-field region, the electromagnetic field is characterized by strong electric and magnetic field components.

Far-field region: Also known as the radiating or the Fraunhofer region, this region extends beyond the near-field region.The electric and magnetic fields are perpendicular to each other and to the direction of propagation.  The far-field region is further divided into the "Fresnel region," which is closer to the antenna and has some characteristics of the near field, and the "Fraunhofer region," which is farther away and exhibits the properties of the far-field.

The transition between the near-field and the far-field regions is gradual and depends on the antenna's size and operating frequency. The size of the antenna and the distance from it determine the boundary between these regions.

In summary, the near-field region is characterized by strong electric and magnetic fields, while the far-field region represents the radiation zone where the energy is radiated away as electromagnetic waves.

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Hi there!

Recall the equation for Spring Potential Energy:
\(\large\boxed{PE = \frac{1}{2}kx^2}\)

PE = Potential Energy (J)
k = Spring Constant (N/m)
x = displacement from equilibrium (m)

Plug in the givens:

\(PE = \frac{1}{2}(200)(0.02^2) = 0.04 J\)

All of the potential energy will be converted to kinetic energy when the spring is released, so:
\(\large\boxed{KE = 0.04 J}\)

Answer:

0.04 J

Explanation:

Answer:

See Below.

Explanation:

I can't transpose the diagram onto Brainly. I'll do my best to describe what is going on.

Now you are ready to develop the equation

Clockwise

There is only 1 force where B is the Balance point that is going clockwise

10 * Force A

The AntiClockwise Moments

Platform: 4*10kg * 9.8 = 392 N m

Physics T: 2 * 75 * 9.8 = 1470 N m

So the Anti Clockwise moments = the clockwise moments.

10 * Force A = 392 NM  + 1470NM   Divide by 10. Remember that is in meters

Force A = 1862 N M / 10 10 M = 186 N

Does that make some sort of sense? It should Student A is the furthest distance from where all the action is at B. Therefore he is carrying the lightest weight.

Now what is the total force?

(75 + 10 ) * 9.8 = 85 * 9.8 = 833

This is one of those strange things that won't make sense until it does. Read the next sentence carefully. B is carrying most of the weight. Remember Newtons measure weight.

Support of A = 186 N

Support of B = x

Total of A+B = 933

186 + x = 833

x = 933 - 186

x = 647

So the forces are

A supports    186

B supports    647

Explanation:

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........,.................

.....

Answer:

Explanation:

Dhdhfhfjjfjffj

mN/s is the correct SI form for kN/ms.

Hence, Option B is correct.

Système Internationale, or SI, is the abbreviation for our metric system of measurements. It is a system that has been universally standardized, providing a common language between countries and among the various branches of science and technology. The International System of Units (SI), also known as the French Système International d'Unités, is a weights-and-measures system used internationally that extends the metric system of units. The metric system, also known as the International System of Units (SI), is the accepted unit of measurement on a global scale. The International Treaty of the Meter was signed on May 20, 1875, in Paris by seventeen nations, including the United States, and is now recognized as World Metrology Day worldwide.

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Answer:

The density is 1.1gcm3

Answer:

Explanation:

Force is defined as the product of mass of an object and its acceleration.

Force = mass * acceleration and acceleration = velocity/time

Force = mass*(velocity/time)

Given Mass of the car = 1600kg, velocity = 30m/s and time taken = 20secs

Substituting this values in the formula will give;

Force = 1600 * 30/20

Force = 1600 * 1.5

Force = 2,400N

Magnitude of the force applied = 2,400N

Since acceleration = velocity/time

Acceleration = 30/20

Acceleration = 1.5m/s²

Acceleration of the car is 1.5m/s²

Nuclear power plants have several benefits when it comes to generating electricity. One of the major advantages is that they produce a large amount of electricity. Nuclear reactors can generate more than 1,000 megawatts of electricity, making them highly efficient.

Additionally, nuclear power plants do not emit greenhouse gases, which helps reduce the impact of climate change. Another benefit is that nuclear power plants have a continuous power output, as they do not rely on weather conditions like solar or wind power. Furthermore, nuclear power plants require less fuel compared to traditional power plants, reducing the cost and dependency on fossil fuels. Lastly, nuclear power plants can operate for long periods of time without interruption, providing a reliable source of electricity. Overall, nuclear power plants offer a reliable, efficient, and low-carbon alternative for generating electricity.

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Acceleration is constant during entire trajectory.

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.Given that,A baseball caught by the catcher which is thrown by the center fielder of same shoulder level. During this whole journey the path followed by a ball is parabolic.

Therefore, ball is in projectile motion.

Let height of shoulder level = h

During projectile motion acceleration of the ball always acts in vertically downward direction of magnitude g, and in there is no acceleration in horizontal direction. Therefore, during projectile motion acceleration is always constant during whole trajectory. So, acceleration is constant during entire trajectory.

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Answer:

False

Explanation:

.......................

According to Newton’s first law of motion, an object at rest will begin to move, when an unbalanced force acts upon it.

option B is the correct answer.

Newton's first law of motion, also known as the law of inertia, states that an object at rest will remain at rest, and an object in motion will continue in motion with a constant velocity unless acted upon by an external force.

In other words, an object will maintain its state of motion (whether it is at rest or moving in a straight line at a constant speed) unless a force acts upon it.

Thus, according to Newton’s first law of motion, an object at rest will begin to move, when an unbalanced force acts upon it.

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Answer:

its B

Explanation: