How far would a jet going 155 m/s travel in 9 s?

The subsequent current in the series RLC circuit is given by the equation: i(t) = I * cos(5t - Φ), where I is the amplitude of the current and Φ is the phase angle.

To find the subsequent current, we need to calculate the amplitude (I) and the phase angle (Φ) of the current.

First, let's calculate the resonant frequency (ω) of the circuit:

ω = 1 / √(LC) = 1 / √(10 * 10^(-2)) = 1 / √1 = 1 rad/s.

The applied voltage can be written as E(t) = E * cos(ωt), where E is the amplitude of the voltage.

Comparing this with the given voltage E(t) = 200 * cos(5t), we can equate the angular frequencies: ω = 5.

Now, let's find the impedance (Z) of the circuit:

Z = √(R^2 + (Xl - Xc)^2),

where R is the resistance, Xl is the inductive reactance, and Xc is the capacitive reactance.

R = 20 Ω

Xl = ωL = 1 * 10 = 10 Ω

Xc = 1 / (ωC) = 1 / (5 * 10^(-2)) = 20 Ω

Plugging in these values, we get:

Z = √(20^2 + (10 - 20)^2) = √(400 + 100) = √500 ≈ 22.36 Ω.

The amplitude of the current (I) can be calculated using Ohm's Law:

I = E / Z = 200 / 22.36 ≈ 8.94 A.

The phase angle (Φ) can be found using the relationship between resistance, inductive reactance, and capacitive reactance:

tan(Φ) = (Xl - Xc) / R = (10 - 20) / 20 = -0.5.

Therefore, Φ ≈ -0.464 rad.

The subsequent current in the series RLC circuit is given by i(t) = 8.94 * cos(5t + 0.464) A.

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B

They store the radioactive waste in pools of water until it is no longer dangerous. It is then transferred to a dry cask. :))

Answer:

"Emerging technologies, such as industrial robots, artificial intelligence, and machine learning, are advancing at a rapid pace. These developments can improve the speed, quality, and cost of goods and services, but they also displace large numbers of workers."

Explanation:

This means in the furture we will have many technologies doing our day to day life things.

The cooling rate of the object is 0.054.

Let's find the cooling rate (k) of an object using the given information. Ts = 10 °CTo = 110 °CT1 = 35 °Ct2 = 25 minutes. Now, the given formula is T = Ts + (To - Ts) e ^ -kt. Here, we know that the temperature drops from 110°C to 35°C, which is 75°C in 25 minutes. Now, we will substitute the values in the formula as follows:35 = 10 + (110 - 10) e ^ (-k × 25) => (35 - 10) / 100 = e ^ (-k × 25) => 25 / 100 = k × 25 => k = 0.054. Therefore, the cooling rate of the object is 0.054. Hence, option A is correct.

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The orbital period of the satellite circling the Earth at an altitude of 3500 km is 163 minutes

The orbital period for the satellite circling the Earth at an altitude of 3500 km can be obtained as follow:

T² = (4π² / GM) × a³

T² = [(4 × 3.14²) / (6.67×10¯¹¹ × 5.987×10²⁴)] × 9900000³

Take the square root of both sides

T = √[((4 × 3.14²) / (6.67×10¯¹¹ × 5.987×10²⁴)) × 9900000³]

T = 9789.15 s

Divide by 60 to express in minutes

T = 9789.15 / 60

T = 163 minutes

Thus, we can conclude that the orbital period of the satellite is 163 minutes

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todjghozjfh-xjdfg .FExplanation:dthgzdfhsfhfh

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The direction of the force on a proton if it has a velocity in the +y direction and is moving through a B-field that is oriented along the -z direction is d. -x

To determine the direction of the force on a proton, we can use the right-hand rule and the equation:

F = q(v x B)

where F is the force, q is the charge of the proton, v is the velocity vector, and B is the magnetic field vector.

Since the proton has a positive charge and its velocity is in the +y direction, point your right-hand thumb in the +y direction. The B-field is oriented along the -z direction, so curl your fingers towards the -z direction. Your palm will now point in the -x direction.

Therefore, the direction of the force on the proton is: d. -x

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A single layer of sedimentary rock is known as a bed or stratum (plural: strata). Each bed contains rock of a single composition and texture and can clearly be distinguished from the beds or strata above and below. This layering of strata is unique to sedimentary rocks and occurs because of the way that sediments are deposited.

Spring (c) C is stretched the most when the blocks are all moving with the same acceleration.

To determine which spring is stretched the most when the blocks are all moving with the same acceleration, we need to consider the forces acting on each block and the resulting spring forces.

Let's analyze the situation:

1. Block of mass m: The force F applied to the left will create a net force of 2F to the right (since there are two masses of m on the right). This net force will accelerate the block to the right. The spring connected to this block (spring A) will experience a force of 2F to the left.

2. Block of mass 3m: This block is pulled to the right by the two blocks of mass m. The net force acting on this block is also 2F to the right. The spring connected to this block (spring B) will experience a force of 2F to the left.

3. Block of mass 2m: This block is being pulled to the right by the block of mass 3m. The net force acting on this block is F to the right. The spring connected to this block (spring C) will experience a force of F to the left.

Based on the analysis, we can conclude that spring C is stretched the most when the blocks are all moving with the same acceleration. This is because it experiences the highest magnitude of force (F) compared to spring A and spring B, which experience forces of 2F.

Therefore, the correct answer is (C) C: spring C.

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Answer:

because we naturally use energy everyday in everyway , energy is also a bill for instance you electric bill used by energy

Explanation:

When a resistor is connected to a battery with a lower voltage, the amount of current flowing through it would decrease.

R is the resistance applied through the 6 volt cell. We obtain by replacing values. As a result, the potential difference across the 6V cell is 8.4 V. The voltage is the difference in potential between two sites in an electric field. In an electric field, the current is the movement of charges between two sites.

According to Ohm's Law

I = V/R

The current flowing through a 200 ohm resistor attached to a 12 V automotive battery is:

I = V/R

= 12 V / 200 ohms

= 0.06 A

Applying Ohm's Law once more, the new current would be:

I = V/R

= 6 V / 200 ohms

= 0.03 A

Therefore, When a resistor is connected to a battery with a lower voltage, the amount of current flowing through it would decrease.

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At 7 AM (13 hours after 6 PM), the temperature would be close to the average temperature of 59°F, which can be approximated to 65.9°F.

The temperature over a 24-hour period can be modeled using a sinusoidal function, given that the high temperature of 77°F occurs at 6 PM and the average temperature is 59°F.

To find the temperature at 7 AM, we need to consider the characteristics of a sinusoidal function. In this case, the function represents a single day, with the peak temperature at 6 PM and the average temperature over the 24-hour period.

Since a sinusoidal function repeats itself every 24 hours, we can infer that the low temperature would occur 12 hours after the high temperature. Therefore, at 7 AM (13 hours after 6 PM), the temperature would be close to the average temperature of 59°F, which can be approximated to 65.9°F.

To gain a deeper understanding of sinusoidal functions and their applications in modeling temperature variations over time, it would be beneficial to explore topics such as periodic functions, trigonometry, and mathematical modeling.

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Answer:

1.25 m

Explanation:

From the question given above, the following data were obtained:

Force ratio = 2.5

Distance of load from the fulcrum = 0.5 m

Distance of effort =.?

The distance of the effort from the fulcrum can be obtained as illustrated below:

Force ratio = Distance of effort / Distance of load

2.5 = Distance of effort / 0.5

Cross multiply

Distance of effort = 2.5 × 0.5

Distance of effort = 1.25 m

Therefore, the distance of the effort from the fulcrum is 1.25 m

Answer:

El coeficiente de roce estático entre las dos superficies es 0.131.

Explanation:

El coeficiente de roce estático entre dos superficies (\(\mu_{s}\)), sin unidad, es igual a la fuerza de resistencia (\(F\)), en newtons, dividida por el peso del cuerpo a mover (\(W\)), en newtons.

\(\mu = \frac{F}{m\cdot g}\) (1)

Donde:

\(m\) - Masa, en kilogramos.

\(g\) - Aceleración gravitacional, en metros por segundo al cuadrado.

Si sabemos que \(F = 45\,N\), \(m = 35\,kg\) y \(g = 9.807\,\frac{m}{s^{2}}\), entonces el coeficiente de roce estático es:

\(\mu = \frac{45\,N}{(35\,kg)\cdot \left(9.807\,\frac{m}{s^{2}} \right)}\)

\(\mu = 0.131\)

El coeficiente de roce estático entre las dos superficies es 0.131.

(a) The angular acceleration of the grinding wheel as it came to rest is approximately -0.008 rad/s² (clockwise).

(b) The wheel made approximately 1000 revolutions during the time it was coming to rest.

(a) We can use the formula of rotational kinematics:

ω = ω₀ + αt

where ω is the final angular velocity, ω₀ is the initial angular velocity, α is the angular acceleration, and t is the time.

Given:

ω = 0 rad/s (final angular velocity)

ω₀ = 20.0 revolutions per second = 20.0 * 2π rad/s (initial angular velocity)

t = 50.0 s

Substituting the values into the formula, we have:

0 = 20.0 * 2π + α * 50.0

Solving for α, we get:

α ≈ -0.008 rad/s² (clockwise)

(b) To find the number of revolutions the wheel made during the time it was coming to rest, we can use the formula:

θ = ω₀t + 0.5αt²

where θ is the angular displacement.

Given:

ω₀ = 20.0 revolutions per second = 20.0 * 2π rad/s (initial angular velocity)

t = 50.0 s

α ≈ -0.008 rad/s² (clockwise)

Substituting the values into the formula, we have:

θ = (20.0 * 2π) * 50.0 + 0.5 * (-0.008) * (50.0)²

Simplifying the equation, we find:

θ ≈ 1000 revolutions

Therefore, the wheel made approximately 1000 revolutions during the time it was coming to rest.

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Answer:

sound is made up of vibrations or sound waves that we can hear these sound waves are formed by objects

Answer:

Sound wave consists to vibrating particles.These knock into other particles causing them to vibrate,and so the sound can travel away from the source.You can hear sound because the vibration in the air cause your ear drums to vibrate this vibration is converted into signals which travel down a nerve to your brain.

Explanation:

hpe its help

Given

m = 24kg

vi = 2 m/s

vf = 6 m/s

Procedure

Impulse = Change in momentum

The answer would be I = 96 kg*m/s

Answer:

candle for chemical energy.

Loudspeakers are the best example of electrical energy to sound energy conversion

Explanation:

Answer:

1.25 meters

Explanation:

Given data

Mass= 2.5kg

Force= 50N

velocity= 5m/s

r=????

Applying the formula

F= mv^2/r

Make r subject of formula

r= mv^2/F

r= 2.5*5^2/50

r= 2.5*25/50

r=62.5/50

r=1.25 meters

Hence the radius is 1.25 meters

Answer:

Cells are small because they need to keep a surface area to volume ratio that allows for adequate intake of nutrients while being able to excrete the cells waste.

Explanation:

That is why the cell needs to be small

When questions are asked about who, what, when, and where, information is actually acquired.

We can differentiate between data, information, and knowledge.  

Until they are organized or polished, data represent isolated symbols and characters that lack context or meaning.

Data that have been cleaned up or organized in a useful way, providing the data with some context, are called information.

When comprehension is skillfully applied to newly obtained information, knowledge is the result.

So, when inquiries regarding who, what, when, and where are asked, information is gathered; but, when this information is applied to circumstances, it might turn into knowledge.

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Complete question:

By asking (who, what, when, where), do we get information or knowledge? Explain.

Both physical and chemical changes involve alterations in the properties of a substance.

Physical changes are those that alter the physical state or form of a substance without changing its chemical identity. Examples include changes in state, such as melting, freezing, and boiling, as well as changes in shape, size, and texture. Chemical changes, on the other hand, result in the formation of new substances with different chemical identities and properties. Examples include combustion, oxidation, and decomposition.

Despite their differences, physical and chemical changes share some similarities. For instance, neither type of change can change the number of atoms of each element present in a substance. Similarly, neither type of change can cause a substance to give off heat or light on its own, although heat or light may be released as a result of other processes that occur during the change. While neither type of change can cause chemical bonds to break, physical changes can weaken intermolecular forces between molecules, making it easier for chemical changes to occur. Overall, physical and chemical changes are both important processes that play crucial roles in many natural and synthetic systems.

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The thickness of an anti-reflective coating is 96 nm.

Define Wavelength?

The wavelength in waves is defined as the distance between the crests and troughs. It can be calculated in the meter in the SI system. The crest is the upper part of the wave, and the trough is the lower part.

Given that,

The index of the anti-reflective coating is n = 1.3

The wavelength is denoted as  λ = 500 nm = 500×\(10^{-9}\)m

The expression for interference can be written as

2t = (m+½)λf

m=0 is the minimum reflection order.

λf is referred to as the wavelength of the film.

By substituting the values in the above expression we get,

2t = (m+½)λf

2t = (0+½)λf

t = λf/4 (this will noted as equation 1 for more clarity )

The wavelength of the light in a medium with refractive index can be expressed as

λf = λ/n

By substituting the values in equation1 we get,

t = λf/4

t = (λ/n)/4

t = λ/4n = 500/(4×1.3) = 96 nm.

Therefore , the thickness of an anti-reflective coating is 96nm.

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Weight = (mass) x (gravitational acceleration where the mass is)

Weight = (1360 kg) x (9.8 m/s²)

Weight = 13,328  kg-m/s²

That's 13,328 Newtons

Given:-

To Find: Weight (W).

We know,

W = mg

where,

Thus,

W = (1360 kg)(9.8 m/s²)

→ W = 13,328 N (D)

A kind of stimulus is that Optic flow.  It occurs as spaceships in Star Wars accelerate to near-light speed and the stars appear to stream outward from the screen's Centre due to centripetal force.

providing the impression of forward momentum. The acceleration vector of an object undergoing UCM is always directed toward the centre because centripetal implies "towards the Centre."m Since the reference frame is spinning, centrifugal force—which is not a real force—occurs as a result of this motion. The centripetal force, which pushes the item in the direction of the circle's Centre and maintains uniform circular motion is called centripetal force, is the real driving force behind uniform circular motion.

The pattern of seemingly moving objects, surfaces, and edges in a visual scene that is brought on by the motion of the observer in relation to the scene is known as optical flow or optic flow. Another way to think of Optic flow is as the distribution of apparent motion velocities of brightness pattern in an image.

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A particle is restricted to moving in a circle of radius of 10 meters. The particle is moving at a speed of ten m/s and is speeding up at a of 1.0 m/s2. The particle's acceleration and velocity vectors meet at an angle.

In physics, what is a particle?

It doesn't matter how big or small or even microscopic anything is; a particle is only a tiny, discrete element of it. Its concept of the particle can possibilities on what a scientist or designer is researching. If a particle is even smaller, such as a quark or a lepton, a theoretical physicist will still regard it to be a particle.

Describe particle?

Any substance made up of particles is referred to as a particulate. However, rather than a linked particle aggregation, the noun "particulate" is most usually used to refer to contaminants in the Upper orbit, which are a dispersion of disconnected particles. Dots are a common way to represent particles.

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Answer:

For example, when a car travels at a constant speed, the driving force from the engine is balanced by resistive forces such as air resistance and friction in the car's moving parts. The resultant force on the car is zero.

Explanation:

hope this helps

Answer:

zero

Explanation:

The acceleration of the car is zero, and and in this case the velocity is also zero. When your car is moving at constant velocity down a street, the net force must also be zero, according to Newton's First Law.