in the circuit below, you will use a square wave signal with the frequency of 100hz and amplitude of 2v as the voltage source. how would the shape of the output voltage change, if you change the 1k resistor to a 10k resistor?

The new speed of the glider is 42.2 m/s.

The new speed of the glider can be calculated using the principle of the law of conservation of energy.

Note: Total energy of the glider before the dive = Total energy of the glider after the dive.

Simplifying the equation above,

make V the subject of the equation.

From the question,

Substitute these values into equation 2.

Hence, The new speed of the glider is 42.2 m/s.

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Answer: The whole of it was owned originally by the lord of the manor. He lived in the big house called the manor house. Attached to it were many acres of grassland and woodlands called the park. These were the "demesne lands" which were for the personal use of the lord of the manor.

The lord of the manor previously owned the entire property. He resided in the substantial home known as the manor house.

Thus, The park, which covered many acres of grassland and trees, was connected to it. These "demesne lands" belonged to the lord of the manor and were used exclusively for his exclusive purposes.

The word "manor" is derived from the Old French word "manoir," which means "dwelling place," but a manor isn't just any old house.

The homes and grounds of the nobility were referred to as manors back when people still had titles of nobility. expressing to someone that his home is a manor is the equivalent of expressing that it is so lavish and beautiful that it could have belonged to a lord.

Thus, The lord of the manor previously owned the entire property. He resided in the substantial home known as the manor house.

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Option 1,3 and 5 are correct. Work is defined as the product of applied force and the distance through which the body is displaced on which the force is applied.

Work is defined as the product of applied force and the distance through which the body is displaced on which the force is applied.

Work may be zero, positive or negative.it depends on the direction of the body displaced. if the body is displaced in the same direction of the force it will be positive .

while if the displacement is in the opposite direction of force applied the work will be negative work. if there is no displacement of the body the work done will be zero.

The following options are correct because the work is due to displacement. In all three options, the displacement is done. The correct options are;

A cat lifts up her kitten by its neck.

A bird flies a worm from the ground to its nest in a tree.

A horse pulls a wagon along a road.

Hence options 1,3 and 5 are correct.

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Answer:

its 1, 3, and 5

Explanation:

or a, c, and e

Answer:

below

Explanation:

that is the procedure above

Answer: I think a

Explanation:

Answer:

1.9976 m

Explanation:

An iron bar whose initial length is 2m has its temperature increased from 20 ° C to 120 ° C. What is the final length of the bar? (consider that the coefficient of expansion of iron) is 1.2 x 10-5 1 / ° C (3 points)

Given that,

Initial length of an iron bar, \(L_0=2\ m\)

The temperature increased from 20°C to 120°C

The coefficient of expansion of iron is \(1.2\times 10^{-5}\ /^{\circ} C\)

We need to find the final length of the bar.

The linear expansion equation is given by :

\(\Delta L=\alpha L\Delta T\)

Where \(\Delta L\) is the change in length

\(\Delta L=1.2\times 10^{-5}\times 2\times (120-20)\\\\=0.0024\ m\)

Also, \(\Delta L = L_o-L\)

L is final length

\(0.0024= 2-L\\\\L=2-0.0024\\\\=1.9976\ m\)

So, the final length of the bar is 1.9976 m

A ball is dropped from a height of 10 m. Its velocity upon impact with the ground is (v) = (a) 14 m/s.

Velocity is a term that means that the object has changed its position by making a distance in a given time. That called the velocity of the object. It can be measured in m/s, cm/s.

To calculate the velocity we are using the formula,

v²-u²=2gh

As we know the ball start velocity from rest so, u=0

v²=2gh

Or, v=√2gh

Here we are given,

h= the height of the cliff from the ball fell. = 10m.

g= The acceleration due to gravity. = 9.8 m/s².

We have to calculate the velocity of the ball = v m/s.

Now we put the values in above equation, we get

v=√2gh

Or, v= √2*9.8*10

Or, v= 14 m/s.

So from this we can say that, Its velocity upon impact with the ground is (v) = (a) 14 m/s

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The ball will travel a horizontal distance is 79.7 ft before before it hits the ground.

What is horizontal distance?
An object to which we provide an initial velocity is called a projectile, and gravity has an impact on it. The length of the horizontal axis is a projectile's horizontal range. In addition, it would move before returning to the original vertical position. The horizontal range then depends on the launch angle θ, the acceleration brought on by gravity, and the beginning velocity V₀. Meters are the horizontal range's unit (m).

The ball will travel a horizontal distance of 105.6*cos(36.9) = 79.7 ft before it hits the ground.

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If the child's center of gravity is 3.57 m below the pivot, it would take approximately 3.791 seconds for the child to complete one swing.

The time it takes for a child on a swing to complete one swing depends on several factors, including the length of the swing's arm, the angle at which the swing is released, and the force exerted by the child to keep swinging. However, if we assume a simple idealized case, we can use a formula to estimate the time period of a pendulum.

The formula for the time period of a simple pendulum (which can be approximated to a swing) is:

T = 2π√(L/g)

Where:

T = Time period (in seconds)

π ≈ 3.14159 (pi)

L = Length of the pendulum arm (from pivot to center of gravity)

g = Acceleration due to gravity (approximately 9.8 m/s²)

In this case, you mentioned that the child's center of gravity is 3.57 m below the pivot. Assuming this refers to the length of the pendulum arm (L), we can use this value in the formula. Therefore:

L = 3.57 m

g = 9.8 m/s²

Plugging in these values, we can calculate the time period:

T = 2π√(3.57/9.8)

T = 2π√(0.364)

T = 2π * 0.603

T = 3.791 seconds

Therefore, if the child's center of gravity is 3.57 m below the pivot, it would take approximately 3.791 seconds for the child to complete one swing.

The question is '' How long does it take a child on a swing to complete one swing if her center of gravity is 3.57 m below the pivot''.

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The belief that the same natural laws and processes that govern the universe today and have always governed it in the past and apply to all of it is known as uniformitarianism, also known as the Doctrine of Uniformity or the Uniformitarian Principle.

A force that is directly proportional to the product of the masses of the particles and inversely proportional to the square of the distance between them attracts every other particle of matter in the universe.

The force of gravity between two objects is equal to their respective masses multiplied by two. If one of the items triples in mass, the gravitational pull between them will also triple. The force of gravity between two objects is multiplied by two when their masses are each doubled, and so on.

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This is because the higher the marble is released, the more potential energy it has.

Potential energy is the energy that is stored in an object due to its position, shape, or composition. This energy is released when the object is disturbed from its current state. Potential energy can be found in many different forms, such as gravitational, elastic, chemical, electrical, magnetic, and nuclear energy. Gravitational potential energy is the energy of an object due to its vertical position, and is calculated by multiplying its mass by the gravitational acceleration and its height. Elastic potential energy is the energy stored in a deformed material, such as a spring, that is released when the material returns to its original shape.

This potential energy is converted to kinetic energy as the marble rolls down the ramp, and this kinetic energy determines how far the marble will travel away from point A. The higher the initial potential energy, the further the marble will travel.

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Answer:

Since there is no external force overall momentum of the system is constant which is zero.

⇒Mv 1+mv 2 =0

⇒600(v 1 )+15(500)=0

⇒v1≈7500 -- 600

⇒v 1 =−6900m/s

So, cannon will recoil at the speed of 6900m/s

Explanation:

v2 = - 2 m/s

From the above condition, the negative sign demonstrates that the speed of the weapon is inverse to the speed of the projectile. it implies the weapon will pull back

Last speed (v) of an item rises to starting speed (u) of that article in addition to speed increase (a) of the item times the passed time (t) from u to v.

Speed (v) is a vector amount that actions uprooting (or change ready, Δs) over the adjustment of time (Δt), addressed by the situation v = Δs/Δt.

Answer:

Avery

Explanation:

15 Kilometers is faster than 10 Kilometers

In all of these cases, the choice of suitable functions and plotting variables allows us to obtain straight line graphs, making it easier to analyze and interpret the relationships between the variables involved.

(a) For a straight line graph in the case of Q = ap^n, we can plot Q against p^n. By taking the logarithm of both sides, we get log(Q) = log(a) + n log(p). This equation is in the form of a straight line equation, where log(Q) is the dependent variable and log(p) is the independent variable. The slope of the line will be equal to n, and the y-intercept will be log(a).

(b) Similarly, for Q = a p^m, we can plot Q against p^m. Taking the logarithm of both sides, we have log(Q) = log(a) + m log(p). This equation can be plotted as a straight line graph with log(Q) as the dependent variable and log(p) as the independent variable. The slope of the line will be equal to m, and the y-intercept will be log(a).

(c) For Q = ab', where b' is a constant, we can rewrite it as Q = a (b'). In this case, Q is directly proportional to b'. We can plot Q against b' and obtain a straight line graph. The slope of the line will be equal to a, and there will be no y-intercept.

(d) For the equation Q² - a(p² - b²)/P, we can rearrange it as Q² = (a/p) (p² - b²). We can plot Q² against (p² - b²) and obtain a straight line graph. The slope of the line will be equal to (a/p), and the y-intercept will be zero.

(e) For Q = ap + b + p², we can rearrange it as Q = p² + ap + b. We can plot Q against p and obtain a straight line graph. The slope of the line will be equal to a, and the y-intercept will be b.

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The Earth orbits around the sun because the gravitational force that the sun

exerts on the Earth:

O A. causes Earth's acceleration toward the sun.

O B. is very small because the sun is so far from the Earth.

O c. is smaller than the force the Earth exerts on the sun.

O D. pushes the Earth away from the sun.

O A. causes Earth's acceleration toward the sun.

I hope this helps, have a nice time ahead!

\(\\ \rm\rightarrowtail W=Fx\)

\(\\ \rm\rightarrowtail 12=1.6F\)

\(\\ \rm\rightarrowtail F=7.5N\)

Now

\(\\ \rm\rightarrowtail F=-Kx\)

\(\\ \rm\rightarrowtail 7.5=-1.6k\)

\(\\ \rm\rightarrowtail k=-4.68N/m\)

Answer:

Ration of internal energy of hydrogen to the internal energy of helium is equal to \(\frac{5}{6}\)

Explanation:

As we know

degree of freedom of hydrogen is 5

Degree of freedom of helium is 3

Internal energy of hydrogen

\(\frac{5}{2} * 2 * RT = 5 *RT\)

Internal energy of helium

\(\frac{3}{2} * 4 * RT = 6 *RT\)

Ration of internal energy of hydrogen to the internal energy of helium is equal to \(\frac{5}{6}\)

The mass of an object on which force is exerted which displaces 8m of distance and changes its velocity from 0 to 7.18 m/s is m=F/3.22.

Force(F) applied on the body is mass(m) times its acceleration(a).

i.e. F=ma

according to this equation we get acceleration as

a = F ÷ m this equation says that when we apply more force to the body, more acceleration it gets. When more is the mass of the body, greater force is needed to accelerate with same amount to that less mass.

Given,

Initial velocity u = 0 m/s

final velocity v= 7.18 m/s

Distance s = 8m

According to equation of kinematics,

v²=u²+2as

7.18²=2×8×a

a= 3.22 m/s²

F = ma

F= 3.22×m

m=F÷3.22

if force is given, we can calculate exact mass of an object.

Hence mass of an object is m=F/3.22.

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The system will undergo simple harmonic motion in the case where the restoring force is directly proportional to the displacement (option b).

In simple harmonic motion, the restoring force acting on the system is directly proportional to the displacement from the equilibrium position. This relationship is given by Hooke's Law: F = -kx, where F is the restoring force, x is the displacement, and k is the spring constant.

Option a (F directly proportional to x²) does not correspond to simple harmonic motion because the force is proportional to the square of the displacement, which does not follow Hooke's Law.

Option c (F directly proportional to \(\frac{1}{x}\)) does not correspond to simple harmonic motion either because the force is inversely proportional to the displacement, which is not consistent with Hooke's Law.

Option d (F directly proportional to sin x) does not represent a linear relationship between the force and displacement. Simple harmonic motion requires a linear relationship, not a trigonometric one.

Therefore, only option b (F directly proportional to x) satisfies the conditions for the system to undergo simple harmonic motion.

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Answer:

c

Explanation:

bnbbbn nbnbnb bbbb bnbb

The correct option is 20000 kg m /s.

What is Momentum ?

Momentum is a concept in physics that describes an object's tendency to continue moving in its current direction at a constant speed. It is a vector quantity, meaning it has both magnitude and direction. The momentum of an object is defined as the product of its mass and velocity, and is represented by the equation: p = mv, where p is momentum, m is mass, and v is velocity.

In simple terms, momentum can be thought of as the "motion" of an object, and the larger the mass and velocity of an object, the greater its momentum. Momentum is a conserved quantity, which means that the total momentum of a system remains constant unless acted upon by an external force.

Given , Mass = 1000kg

Speed = 20 m/s

momentum = mv = 20000 kg m /s

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The gravitational force is always equal to the mass times the acceleration due to the gravitational force:

 ⇒ In this case

Let's calculate:

 \(Gravitational_.Force = 1kg*9.8m/s^2=9.8N\)

Answer: 9.8 N

Hope that helps!

Answer:

The angle of projection is 12.26⁰.

Explanation:

Given;

initial position of the dart, h₀ = 1.50 m

height above the ground reached by the dart, h₁ = 1.73 m

maximum height reached by the dart, Hm = h₁ - h₀ = 1.73 m - 1.50 m= 0.23 m

velocity of the dart, u = 10 m/s

The maximum height reached by the projectile is calculated as;

\(H_m = \frac{u^2sin^2 \theta}{2g}\)

where;

θ is angle of projection

g is acceleration due to gravity = 9.8 m/s²

\(H_m = \frac{u^2sin^2 \theta}{2g}\\\\sin^2 \theta = \frac{H_m \ \times \ 2g}{u^2} \\\\sin^2 \theta = \frac{0.23 \ \times \ 2(9.8)}{10^2} \\\\sin ^2\theta =0.04508\\\\sin \theta = \sqrt{0.04508} \\\\sin \theta = 0.2123\\\\\theta = sin^{-1}(0.2123)\\\\\theta = 12.26^0\)

Therefore, the angle of projection is 12.26⁰.

The frequency of emitted light is directly proportional to the energy between the two orbits and this determines the color of the light.

Light can be defined as a form of electromagnetic waves that does not require any medium for its propagation. This ultimately implies that, light is a form of wave that is generally referred to as a visual signal because it can be seen with the eyes.

According to the model of light wave, the frequency of emitted light is directly proportional to the energy between the two orbits and this determines the color of the light.

In conlcusion, the frequency of emitted light is highly dependent on the energy between the two (2) orbits.

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The Pauli exclusion principle, which states that no two electrons in an atom can have the same set of quantum numbers.

In order to determine which electron states are not possible, we need to consider the Pauli exclusion principle, which states that no two electrons in an atom can have the same set of quantum numbers.

The quantum numbers include the principal quantum number (n), the azimuthal quantum number (l), the magnetic quantum number (m), and the spin quantum number (s).

If any of the quantum numbers are the same for two electron states, they cannot exist simultaneously in an atom. Therefore, we need to examine the six hypothetical states listed in the table and check if any of them have the same set of quantum numbers.

Without the specific details of the table and the quantum numbers associated with each state, it is not possible to provide a definitive answer within the 100-word limit.

However, by comparing the quantum numbers of each state, it would be possible to determine which states violate the Pauli exclusion principle and are therefore not possible.

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The position of John at time of 4.35 s is -1.13 m

From the given chart;

The average acceleration is calculated as follows;

The position of John at time, t = 4.35 s is calculated as follows;

\(x(t) = ut + \frac{1}{2} at^2\\\\x(4.35) = (-2 \times 4.35) \ + \ 0.5\times 0.8\times( 4.35)^2\\\\x(4.35) = -8.7 \ + \ \ 7.569\\\\x(4.35) = - 1.13 \ m\)

Thus, the position of John at time of 4.35 s is -1.13 m

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The speed of the wave is 0.68 m/s.

Wave speed is the distance the wave travels in a given amount of time, such as the number of meters it travels per second.

V = Fλ

where;

This is the distance between two sequential troughs = 1.1 m

The frequency is number of complete oscillation per second.

f = n/t

where;

f = (9)/(14.5)

f = 0.62 Hz

V = 0.62 x 1.1

V = 0.68 m/s

Thus, the speed of the wave is 0.68 m/s.

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Answer: False.Machine efficiency is a measure of how much work is produced by a machine compared to how much energy is required to operate the machine.

The ratio of useful output work divided by the total input work is known as machine efficiency. This number is frequently expressed as a percentage (100 x work output / work input).Example:

For example, if you lift a 50-pound weight 10 feet in the air using a pulley, the work done is 500 foot-pounds. However, if it took 600 foot-pounds of energy to lift the weight, the pulley system's efficiency would be calculated as follows: 500/600 = 0.83 or 83 percent.

The efficiency of a machine is always less than one, in general. It is defined as the ratio of output energy to input energy. Because of losses due to friction and other variables, the output energy is always less than the input energy. As a result, the efficiency of a machine is always less than one.Answer: False.

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Voltage or potential difference is calculated by taking the difference between the voltages at two points. Thus, if two points have 3.0 V and 7.0 V potential, the voltage or potential difference between the two points can be found by subtracting the lower potential from the higher potential.

That is:

Potential difference = Higher potential - Lower potential
                                 = 7.0 V - 3.0 V
                                 = 4.0 V
Therefore, the potential difference between the two points is 4.0 V. The electric potential difference between two points is the work done per unit charge in moving a test charge from one point to the other.

A potential difference is a measure of the electric potential energy per unit charge between two points in an electric field. The electric potential at a point is defined as the work done per unit charge in bringing a test charge from infinity to that point.

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