although the atmospheres of uranus and neptune are very similar, the atmosphere of neptune contains more:

We know that the impulse if related to the momentum as:

and related to the average force and the time of the collision by:

Which means that:

a)

In this case the force is 1250 N, the time is 0.16 s, the initial velocity is 0 and the mass is 102.5 kg, then we have:

Therefore the velocity is 1.951219512 m/s.

b)

In this case the force is 1250 N, the time is 0.16 s, the initial velocity is 0 and the mass is 4.64 kg, then we have:

Therefore the velocity is 43.10344828 m/s.

Answer:

The estimated volume of a standard table tennis ball is approximately 2.7 cm³.

The estimated volume of a standard golf ball is approximately 41.6 cm³.

Explanation:

Answer: A boat in the trough of a wave takes 3 seconds to reach the highest peak of the wave, then its wavelength will be equal to 30 m.

Explanation:

The wavelength of the wave is 15 m.

The wavelength of a wave is the distance between two consecutive crests or troughs. The velocity of a wave is the speed at which it travels. The time it takes for a boat to travel from the trough of a wave to the highest point of the wave is the same as the time it takes for the wave to travel one wavelength.

In this case, the velocity of the wave is 5 m/s and the time it takes for the boat to travel from the trough of the wave to the highest point is 3 s.

wavelength = velocity * time

wavelength = 5 m/s * 3 s = 15 m

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 False. The main product is responsible for providing the steak, which represents the core value and substance of the product, while the sizzle represents the marketing and promotional elements.

In the steak and sizzle analysis, the main product provides the steak, not the sizzle. The steak refers to the actual substance or value of the product, while the sizzle represents the marketing and promotional aspects that create excitement and appeal around the product.

The main product is responsible for providing the steak, which represents the core value and substance of the product, while the sizzle represents the marketing and promotional elements.

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Answer:

The centripetal acceleration of car is 8 m/s².

Explanation:

Answer:

volume is not a property of air

The absorption of the waves allows to find examples for heating are:

Waves of all types carry energy, but not matter. Therefore when interacting with a material you can miss its energy.

They indicate that in this interaction the absorbed energy was transformed into thermal energy.

Case 1.

A wave of light falls on a glass of water in the sun after a while the temperature of the glass increases due to the absorption of light, this phenomenon increases if the glass is black.

Case 2.

A sound wave hits a wall if the frequency is close to resonance, the wave is absorbed and the wall can vibrate until it falls and incease your temperature.

When air is blown into a musical instrument, part of the wave energy is absorbed into the walls, which after a while heat up, this results in a change in the frequency of the sound emitted by the instruments.

In conclusion using the features absorption of waves we can find examples of heating are:

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In the very early universe, we think that tiny quantum ripples should have been present due to the inflationary theory of the universe.

The inflationary theory is a model of the universe’s early evolution that proposes that the universe went through an extremely fast expansion phase during its first few moments, resulting in a rapid growth in size.

The inflationary theory implies that tiny quantum ripples should have been present in the very early universe.

These ripples, sometimes known as quantum fluctuations, are minor fluctuations in the universe’s fabric that exist on a quantum scale.

They are fluctuations in the density of matter and energy, which are thought to have caused the seeds of cosmic structures such as galaxies and clusters of galaxies to form.

The reason these quantum ripples should have existed in the early universe is due to the quantum nature of matter and radiation.

According to quantum mechanics, particles and radiation can exist in multiple states or locations at the same time, with each state or location having a probability associated with it.

Quantum fluctuations result from these multiple states interacting with one another, which results in slight variations in the distribution of matter and energy.

These variations were later amplified by cosmic inflation, resulting in the creation of the observed large-scale structure in the universe.

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Answer:

16

Explanation:

the car traveled approximately 0.0833 miles (or about 139.2 yards) between 0 and 10 seconds.

To determine how far the car traveled between 0 and 10 seconds, we need to know the car's speed during that time period. If we assume that the car was traveling at a constant speed, we can use the formula distance = speed x time to calculate the distance traveled.
Let's say that the car was traveling at a speed of 30 miles per hour (mph) between 0 and 10 seconds. We need to convert this speed to miles per second, which is 0.00833 miles per second (30 mph ÷ 3600 seconds per hour).
Using this speed and the time period of 10 seconds, we can calculate the distance traveled as follows:
distance = speed x time
distance = 0.00833 miles per second x 10 seconds
distance = 0.0833 miles
Therefore, the car traveled approximately 0.0833 miles (or about 139.2 yards) between 0 and 10 seconds.
It's important to note that this calculation assumes that the car was traveling at a constant speed during the entire 10-second period. If the car's speed changed during this time, the distance traveled would be different.

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Explanation:

3 × 20 = 60

1/4 × 20 = 5

60 + 5 = 65 km

Answer:

H = 0.06 kWh

Explanation:

Given that,

Power of an electric lamp, P = 60 W

Voltage, V = 240 V

It is operated for 1 hour

We need to find the heat generated by the lamp. Heat generated is given by :

\(H=P\times t\\\\H=60\ W\times 1\ h\\\\H=60\ Wh\\\\H=0.06\ kWh\)

So, 0.06 kWh of the heat is generated by the lamp.

Answer:

When sunlight shines through an orange solution, the violet, blue and green wavelengths are absorbed. The other colors pass through.

Answer:

yes

Explanation:

Answer and Explanation: Comets are frozen extras from the development of the nearby planetary group made out of residue, rock and frosts. They range from a couple of miles to many miles wide, however as they circle nearer to the sun, they heat up and regurgitate gases and residue into a shining head that can be bigger than a planet. This material structures a tail that extends a huge number of miles.

Answer:

I think it's B, if that's wrong I apologize. You might want to do more research on it and find the correct answer if you can, if it's right then you could like my comment, so others know if not give it 1 star, keep it low lol.

Explanation:

The line that represents the greatest positive acceleration is A.

In a velocity-time graph, the slope of the line represents the acceleration. The greater the slope, the greater the acceleration. Line A has the steepest slope, so it represents the greatest positive acceleration.

Line B has a positive slope, but it is not as steep as line A. Line C has a negative slope, which means it represents negative acceleration, or deceleration. Line D is a horizontal line, which means it represents a constant velocity, or zero acceleration.

Therefore, the line that represents the greatest positive acceleration is A.

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As the velocity of a stream carrying a mixture of particles decreases, the heaviest particles will most likely be deposited first. This phenomenon is known as sedimentation.

The process of sedimentation separates particles of different sizes and densities from a mixture by allowing them to settle at different rates due to gravity. The heavier particles settle faster than lighter ones. Therefore, they are the first to be deposited.Sedimentation can occur naturally or artificially. For example, in a river, sedimentation can occur naturally due to changes in water flow and velocity. Artificial sedimentation can be used in water treatment plants to remove impurities from water

The heaviest particles will most likely be deposited first as the velocity of a stream carrying a mixture of particles decreases.Explanation: This is due to the process of sedimentation, which separates particles of different sizes and densities from a mixture by allowing them to settle at different rates due to gravity. The heavier particles settle faster than lighter ones, and hence they are the first to be deposited.

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Given:

the speed of sound in human tissue is

the wavelength of the wave is

Required: frequency of the wave.

Explanation:

to find the frequency of the wave we use the relation that is given by

Plugging all the values in the above relation, we get

Thus, the frequency of the wave is

There are several potential negative externalities that could occur in the South African economy as a result of the ongoing conflict between Russia and Ukraine. One of the most significant is likely to be a disruption in global energy markets, particularly with regards to oil and gas.

Russia is one of the world's largest producers of both commodities, and any disruption in its ability to supply the market could lead to higher prices and reduced availability for South African consumers and businesses.

Another potential negative externality is related to trade. South Africa is a major trading partner with both Russia and Ukraine, and any disruption in their economic activity could have a significant impact on South African exports and imports. For example, if sanctions are imposed on Russia or Ukraine, this could lead to reduced demand for South African goods and services, or increased costs and delays associated with doing business with these countries.

In addition to these economic impacts, there could also be broader geopolitical implications that affect South Africa. For example, if the conflict escalates and leads to broader destabilization in the region, this could have implications for South Africa's security and its ability to trade and engage with neighboring countries.

Overall, it is difficult to predict the exact nature and extent of the negative externalities that might arise from the Russian-Ukrainian conflict, but it is clear that there are a range of potential risks that South Africa will need to monitor and manage in the coming months and years.

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The magnitude of the velocity, or ultimate speed, of the automobile after the accident is 0.7 m/sec.

The total of the forces acting on an item is equal to the object's acceleration multiplied by its mass. Perhaps one of Newton's three laws of motion is this,

F = ma

F = m(Δv ÷ Δt)

F = Δmv ÷ Δt

F = Δp ÷ Δt

The weight m and forces are considered to be constant. As a result, the variation in momentum is provided by,

dP = m × Vi − m × Vf

dP = F × dt

Vf = final speed = Vi − ( F\(\frac{dt}{m}\) )

Vi = initial speed = 0.820 m/s

m = mass of the car = 0.300 kg

F·dt denotes the area under the graphed curve.

A = (0.05 ÷ 5) sec × (10 ÷ 5) N

A = 0.02kg m/sec

Under the provided graph, the overall amount of tiny blocks (roughly) is 19.5 (12 full + 2 just on the left side + 4 just on the right side + 1.5 just on the upper side of entire blocks).

The total area beneath the given curve is,

A(total) = 19.5 × A

A(total) = 19.5×0.02

A(total) = 0.39N⋅sec

The final speed of the car will be,

Vf = 0.820 × (0.39 ÷ 0.300)

Vf = 1.066 m/sec

The magnitude of final velocity = Speed,

|Vf|= 0.7 m/sec

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To calculate the power of the crane, we need to use the formula:

Power = Force × Velocity

First, let's find the force acting on the crane using Newton's second law of motion:

Force = Mass × Acceleration

Given:

Mass of the crane (m) = 800 kg

Acceleration (a) = 1 m/s²

Force = 800 kg × 1 m/s² = 800 N

Next, we need to calculate the power at a velocity of 1.5 m/s. Power is the rate at which work is done, and work is equal to the change in kinetic energy. So, we'll use the formula:

Power = Work / Time

Since the crane starts from rest (initial velocity = 0) and reaches a final velocity of 1.5 m/s, we can calculate the work done on the crane:

Work = Change in kinetic energy

= (1/2) × Mass × (Final Velocity² - Initial Velocity²)

Given:

Initial Velocity (v1) = 0 m/s

Final Velocity (v2) = 1.5 m/s

Work = (1/2) × 800 kg × (1.5 m/s)² = 900 J

Now, let's calculate the power:

Power = Work / Time

Since we don't have the time, let's assume it took 1 second to reach the final velocity.

Power = 900 J / 1 s = 900 W

Therefore, the power of the crane when it reaches a speed of 1.5 m/s is 900 watts (W).

Answer:

Explanation:

you got that wrong it is  a 0.4

He throws a baseball 59 m to brandon at second base, creating a 30 degree angle east of south. brandon then turns and throws baseball 55 m east to first base the displacement  of the baseball is S = 89.75m

The following equation represents the ball's vertical velocity:

v2 = u₂- sinα2gh

The vertical component of the velocity vector at time t is denoted by v2.

u2 = initial velocity.

α = throwing angle.

-10 m/s2 if you consider the upward direction to be positive) is the acceleration caused by gravity.

t = time.

The ball's vertical velocity is zero when it reaches the highest point along its path. In order to find the initial velocity, we can use the equation for vertical velocity:

v2 = u₂- sinα2gh

0= u₂×sin(30°) 2 ×10m/s²×55

1100 sin(30°) = u2

1100/2 = u2

550 = u2

u = 23.4 m/s

At 23.4 m/s, the ball flies out of your grasp.

t = d/s

= 59/23.4

= 2.5 sec

Displacement

S = ut + 1/2 gt2

= 23.4×2.5 + 5×6.25

= 58.5 + 31.25

= 89.75 m

S = 89.75 m

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R(F) = 4F - 160

a. R¹(P) represents the temperature at which a cricket chirps at a rate of P chirps per minute.

b. R(60) refers to the chirping rate of the cricket when the temperature is 60 degrees Fahrenheit, while R¹(60) represents the temperature at which the cricket chirps at a rate of 60 chirps per minute.

The equation R(F) = 4F - 160 represents the relationship between the temperature of the cricket's environment (F) and its chirping rate (R). By plugging in different temperature values, we can determine the corresponding chirping rate.

For example, when we calculate R(60), we find the chirping rate at 60 degrees Fahrenheit.

In this case, R(60) = 4(60) - 160 = 240 - 160 = 80 chirps per minute.

On the other hand, when we calculate R¹(60), we are looking for the temperature at which the cricket chirps at a rate of 60 chirps per minute. Solving the equation 60 = 4F - 160, we find F = 70 degrees Fahrenheit. Therefore, R¹(60) = 70.

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The most important factor for convection to occur is heat.

Convection is a method of heat transfer that involves the movement of fluid from hot region to cold region.

Heat transfer processes by convection is dominant in liquids and gases.

Therefore, we can conclude that the most important factor for convection to occur is heat, because the heat must flow from hot region to cold region through fluid movement.

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Answer:

B

Explanation:

a heat source

Answer:

0.128

Explanation:

Credit to charlizebarth

Answer:

0.0128

Explanation:

This answer works for Acellus!

Answer:

There are \(9.537\times 10^{-23}\) kilograms of radioactive material after 300 seconds.

Explanation:

From Physics we know that radioactive materials decay at exponential rate, whose differential equation is:

\(\frac{dm}{dt} = -\lambda\cdot m\) (1)

Where:

\(\frac{dm}{dt}\) - Rate of change of the mass of the radioactive material, measured in kilograms per second.

\(m\) - Current mass of the radioactive material, measured in kilograms.

\(\lambda\) - Decay constant, measured in \(\frac{1}{s}\).

The solution of the differential equation is:

\(m(t) = m_{o}\cdot e^{-\lambda\cdot t}\) (2)

Where:

\(m_{o}\) - Initial mass of the radioactive material, measured in kilograms.

\(t\) - Time, measured in seconds.

If we know that \(m_{o} = 20\,kg\), \(\lambda = 0.179\,\frac{1}{s}\) and \(t = 300\,s\), then the initial mass of the radioactive material is:

\(m(t) = (20\,kg)\cdot e^{-\left(0.179\,\frac{1}{s} \right)\cdot (300\,s)}\)

\(m(t) \approx 9.537\times 10^{-23}\,kg\)

There are \(9.537\times 10^{-23}\) kilograms of radioactive material after 300 seconds.

Answer: Yes, it can be  possible that an object have non zero angular momentum.

Explanation:

There is a concept of frame of reference.

When your frame of reference is not on that straight line where the object is moving then the object will have non zero angular momentum .

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The resonant frequency of the circuit  is \(fo/2\)

as given in the question,

in a series L-R-C circuit

the frequency of  the circuit is at resonance

so it is f subscript o

the resistance of the circuit is doubled

where the inductance and capacitance and the voltage amplitude is of the AC source.

the inductance of the circuit (L) is 2L

the capacitance of the circuit (C) is 2C

Resonant frequency is the oscillation of the circuit in its natural state.

\(f=\frac{1}{2\pi \sqrt{LC} }\)

where

L is the inductance of the circuit

C is the capacitance of the circuit

\(fo\) is the resonant frequency

therefore

by the angular frequency formula

w=\(2\pi f\)

=> \(f = \frac{w}{2\pi }\)

now

\(f=\frac{1}{2\pi \sqrt{LC} }\)

by placing the new values of L and C

\(f=\frac{1}{2\pi \sqrt{(LC)} }\)

=> f = \(\frac{1}{2\pi \sqrt{(2L2C)} }\)

=> f = \(\frac{1}{2\pi \sqrt{(LC)} } \frac{1}{2}\)

=>f = \(\frac{1}{2} \times (fo)\)

=> f= \(fo/2\)

therefore by this we can say that

the resonant frequency is \(\frac{fo}{2}\)

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