Which of Kepler's laws helps you compare the velocities of different planets?

Answer:

Abyssal fans, also known as deep-sea fans, underwater deltas, and submarine fans, are underwater geological structures associated with large-scale sediment deposition and formed by turbidity currents

Explanation:

They are underwater deltas and submarine fans, they are associated with large scale sediment, and formed by turbidity currents.

Answer:

They would land at the same time

Explanation:

They would land at the same exact time.

As weird, impossible and unbelievable as it appears. When in a vacuum, every weight, body and material when released from the same height would land on the ground at the same time. This also means that like in the question, a feather and a ball would land at the same time. And just for illustrations as well, a feather and a car would land at the same time as well.

Answer:

Hey mate....

Explanation:

This is ur answer.....

Another way to measure the strength of an earthquake is to use the Mercalli scale. Invented by Giuseppe Mercalli in 1902, this scale uses the observations of the people who experienced the earthquake to estimate its intensity.

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Color is..blue, red, black... basically COLORS. Whereas luster is like a soft glow or gentle sheen kinda like something is shining. You could say the luster of the blue paint is beautiful.

Explanation:

Bowchiclawowowow

Answer:

B. 6 cm

Explanation:

First, we calculate the spring constant of a single spring:

[tex]k = \frac{F}{\Delta x}\\[/tex]

where,

k = spring constant of single spring = ?

F = Force Applied = 10 N

Δx = extension = 4 cm = 0.04 m

Therefore,

[tex]k = \frac{10\ N}{0.04\ m}\\k = 250\ N/m\\[/tex]

Now, the equivalent resistance of two springs connected in parallel, as shown in the diagram, will be:

[tex]k_{eq} = k + k\\k_{eq} = 2k = 2(250\ N/m)\\k_{eq} = 500\ N/m\\[/tex]

For a load of 30 N, applying Hooke's Law:

[tex]\Delta x = \frac{F}{k_{eq}}\\\\\Delta x = \frac{30\ N}{500\ N/m}\\\\\Delta x = 0.06\ m = 6\ cm\\[/tex]

Hence, the correct option is:

B. 6 cm

Answer: work done = 64,000J or 64KJ.

Explanation:

Work is said to be done if a force applied makes the object to move through a distance in the direction of the applied force. Work is the product of force and perpendicular distance in the direction of the applied force. It is represented by W, measured in Joules(J) and a scalar quantity.

Thus, work done(J)= force(N) × distance(m)

From the the question,

applied force= 1600N

distance=40m

Therefore, work= 1600 × 40

W= 64,000J

But, 1 kilojoules = 1000J

Therefore, 64,000J = 64,000 ÷ 1000

= 64KJ

Work done is 64KJ

Answer: -2.5 kg/m/s

Explanation: Momentum is equal to mass times velocity, so you do 0.5 kg times -5 m/s, and you get -2.5 kg/m/s.

Answer:

3a) k = 500 N/m

3b) x = 0.05 m

3c) F = 2.5 N

4a) W = 120 N

4b) W = 5 N

4c) W = 0.2 N

Explanation:

3a) Force; F = 10 N.

Extension; x = 20 mm = 0.02 m

Formula for spring constant is;

K = F/x = 10/0.02

k = 500 N/m

3b) Force is now; F = 25 N

Since k = 500 N/m

Then x = F/k = 25/500

x = 0.05 m

3c) extension is now 5 mm = 0.005 m

Thus; F = kx = 500 × 0.005

F = 2.5 N

4a) Formula for weight is;

W = mg.

g = 10 N/kg

m = 12 kg

Thus; W = 12 × 10

W = 120 N

4b) Mass; m = 500 g = 0.5 kg

Thus; W = 0.5 × 10

W = 5 N

4c) mass; m = 20 g = 0.02 kg

W = 0.02 × 10

W = 0.2 N

Answer:

A. Doubles.

Explanation:

In an electromagnetic device such as a generator, when a wire (conductor) moves through the magnetic field between the South and North poles of a magnet, an electromotive force (e.m.f) is usually induced across a wire

The mode of operation of a generator is that a metal core with copper tightly wound to it (conductor coil) rotates rapidly between the two (2) poles of a horseshoe magnet type. Thus when the conductor coil rotates rapidly, it cuts the magnetic field existing between the poles of the horseshoe magnet and then induces the flow of current.

When a high-resistance voltmeter is connected to an electric circuit, a deflection will arise due to the flow of electricity. Moving the magnet towards the coil of wire will cause the needle of the high-resistance voltmeter to move in one direction. Also, as the magnet is moved out from the coil of wire, the needle of the high-resistance voltmeter moves in the opposite direction.

In this scenario, a magnet is moved in and out of a coil of wire connected to a high-resistance voltmeter. If the number of coils doubles, the induced voltage doubles because the number of turns (voltage) in the primary winding is directly proportional to the number of turns (voltage) in the secondary winding.

If the number of coils doubles, the induced voltage will be doubled. Option A is correct. Faraday's law of induction is used to describe the induced voltage.

The induced voltage is a result of electromagnetic induction. The procedure of producing emf (induced voltage) by exposing a conductor to a magnetic field is known as electromagnetic induction

A magnet is moved in and out of a wire coil connected to a high-resistance voltmeter in this scenario.

Because the number of turns (voltage) in the primary winding is directly proportional to the number of turns (voltage) in the secondary winding, doubling the number of coils doubles the induced voltage.

If the number of coils doubles, the induced voltage will be  Doubles.

Hence option A is correct.

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As the dough rises, the distance between the raisins increases, indicating that the galaxies are moving apart. D

The evidence from the model supports the student’s claim is as the dough rises, the distance between the raisins increases, indicating that the galaxies are moving apart. The correct option is D.

Fermentation is an anaerobic chemical process that breaks down molecules like glucose. More specifically, fermentation is the foaming that happens during the creation of wine and beer, a procedure that has been around for at least 10,000 years.

Without the aid of oxygen, fermentation enables cells to generate chemical energy from the breakdown of sugar, such as glucose.

As the dough ferments, carbon dioxide is created and trapped as microscopic air bubbles. It increases as a result. The expansion of carbon dioxide during baking causes the bread to rise higher.

Therefore, the correct option is D, As the dough rises, the distance between the raisins increases, indicating that the galaxies are moving apart.

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Answer:

Skills required to play floor hockey include passing, receiving passes, shooting, stick- handling (dribbling), defensive skills and goaltending. Players are allowed to use both sides of the blade of the stick. The front side is called the forehand (face) and the back side is called the backhand.

Answer:

función sinusoidal

Explanation:

En un circuito de CA, la corriente y el voltaje tienen un voltaje máximo y mínimo. A intervalos regulares, la corriente y el voltaje invierten la dirección y cambian su magnitud continuamente con el tiempo.

Por lo tanto, para representar la corriente y el voltaje en un circuito de CA, se utiliza una función sinusoidal. Una función seno es una función continua con oscilaciones periódicas.

Answer:

juuhu

Explanation:

jjj

Explanation:

The Shadow zone is the area of the earth

from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves

Answer:

D) No, because of the way work is defined

Explanation:

There is no motion in the direction of the force, then no work is done by that force. ... But the work done on the box is zero since by moving in a straight line at constant speed, its energy is remaining the same.

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[tex]\vec{p}=m\vec{v}\\p = 1000 * 35=35000[\frac{kg*m}{s}][/tex]

Answer:

c

Explanation:

Answer:

Question: What is the current in a 160V circuit if the resistance is 2Ω?

Answer:

Voltage ( V ) = 160V

Resistance ( R ) = 2Ω

Current ( I ) = ?

By Ohms law

⇒ V = IR

⇒ 160 = I × 2

⇒ I = 160 / 2 = 80A

\rule{200}2

Question: What is the current in a 160V circuit if the resistance is 20Ω?

Answer:

Voltage ( V ) = 160V

Resistance ( R ) = 20Ω

Current ( I ) = ?

By Ohms law

⇒ V = IR

⇒ 160 = I × 20

⇒ I = 160 / 20 = 8A

\rule{200}2

Question: What is the current in a 160V circuit if the resistance is 10Ω?

Answer:

Voltage ( V ) = 160V

Resistance ( R ) = 10Ω

Current ( I ) = ?

By Ohms law

⇒ V = IR

⇒ 160 = I × 10

⇒ I = 160 / 10 = 16A

\rule{200}2

Question: Based on questions 2, 3, and 4, what happens to the current in a circuit as the resistance decreases? Increases?

Answer:

From ohms law

⇒ I = V / R

If we take Voltage as proportionality constant

⇒ I ∝ 1 / R

So, we can conclude that current is inversely proportional to resistance.

From 2, 3, 4 questions we can conclude that,

If resistance increases, current decreases and when resistance decreases, current increases.

\rule{200}2

Question: What voltage is required to move 6A through 5Ω?

Answer:

Resistance ( R ) = 5Ω

Current ( I ) = 6A

Voltage ( V ) = ?

By Ohms law

⇒ V = IR

⇒ V = 6 × 5

⇒ V = 30V

\rule{200}2

Question: What voltage is required to move 6A through 10Ω?

Answer:

Resistance ( R ) = 10Ω

Current ( I ) = 6A

Voltage ( V ) = ?

By Ohms law

⇒ V = IR

⇒ V = 6 × 10

⇒ V = 60V

\rule{200}2

Question:What voltage is required to move 6A through 20Ω?

Answer:

Resistance ( R ) = 20Ω

Current ( I ) = 6A

Voltage ( V ) = ?

By Ohms law

⇒ V = IR

⇒ V = 6 × 20

⇒ V = 120V

\rule{200}2

Answer:

80 amps

Explanation:

V = IR

160 volts = I(2 ohms)

I = 80 amps

Answer:

[tex]p = f \div a[/tex]

[tex]p = \frac{185.6}{ {3}^{2} } = \frac{185.6}{9} = 20.6pa[/tex]

A football player throws a football 30 meters in 2.5 seconds, divide 30 by 2.5 and get 12.

An object's speed, also known as "v," is the amount by which its position changes over time or by how much it changes per unit of time, making it a scalar number.  

The instantaneous speed is the upper limit of the average speed as the duration of the time interval approaches zero. The average speed of an item in a period of time is equal to the distance traveled by the object divided by the duration of the period. Velocity and speed are not the same thing.

The parameters of speed are time divided by distance. The metre per second (m/s), the SI measure of speed, is the most widely used unit of speed in daily life.

Therefore, A football player throws a football 30 meters in 2.5 seconds, divide 30 by 2.5 and get 12.

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Answer:

1) Similarity:

1. diatomic molecules.

2. nonpolar covalent bond.

3. gaseus state at room temperature.

4. very reactive, with high electronegativity.

No, it will not fall. The pencil will remain at zero speed relative to the spacecraft and will orbit the earth with the spacecraft.

Answer:

NASA did not spend millions developing a space pen. The first U.S. astronauts did indeed use pencils and not pens, according to the NASA History Program Office. After a private inventor (Paul Fisher) developed a space pen on his own, he attempted to sell the pens to NASA. At first NASA refused the offer. Pencils lead to unwanted dust in the confined quarters of a space ship,so NASA was searching for an alternative. Unfortunately, ordinary pens do not work in free fall conditions like the astronauts experience. On the surface of the earth, gravity accelerates the ink downward while the pen case is held in place by a person that is held in place by the ground. But in space, both pen and ink are steadily falling so that the ink does not come out. In contrast, Fisher's space pen uses internal pressure to force the ink out,much like an aerosol can. After testing Fisher's pen, NASA became so satisfied with their performance that it started purchasing the pens for $6 a piece. Russian cosmonauts also switched from pencils to Fisher space pens.

Explanation:

XOXO

Unknown

Answer: 40.311 m

Explanation:

Given

Ant walks 15 m east

then 40 m North and finally 20 m west

from the figure, ant is 40 m North and 5 m west

Using Pythagoras, we can write

[tex]\Rightarrow d=\sqrt{40^2+5^2}\\\Rightarrow d=\sqrt{1625}=40.311\ m[/tex]

Answer:

A

Explanation:

Anything can be doing work at any time. Even when your sleeping work is being done so no part of the body needs to displace before work can be done.

Answer:

1.) Determine the components of the vector. Every vector can be numerically represented in the Cartesian coordinate system with a horizontal (x-axis) and vertical (y-axis) component. It is written as an order pair

v = < x, y>

2.) Draw a vector triangle. When you draw the horizontal and vertical components, you end up with a right triangle. The magnitude of the vector is equal to the hypotenuse of the triangle so you can use the Pythagorean theorem to calculate it.

3.) Rearrange the Pythagorean theorem to calculate the magnitude. The Pythagorean theorem is

A2 + B2 = C2.

“A” and “B” are the horizontal and vertical components of the triangle while “C” is the hypotenuse. Since the vector is the hypotenuse you want to solve for “C”.

4.) Solve for the magnitude. Using the equation above, you can plug in the numbers of the ordered pair of the vector to solve for the magnitude.

Answer:

If you're using Edge 2021 it is A

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Explanation:

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Answer:

C, B, D, A

Explanation:

Stress is F/A, where F = 9.8*mass and A = pi(d/2)^2

Do the math for each and the stress from least to greatest is C, B, D, A.

The height column is unnecessary information.

When four different cylinders(A,B,C,D) were each subjected to a force by placing four different masses on top of them. the Rank of stress on these cylinders from least to greatest is D, C, B, A.

Stress is defined as applied force(F) per unit cross sectional area(A) on which force is applied. it I.e. Stress = F/A. its SI unit is N/m². More force on small area leads to higher stress.

Given,

For A

Mass m = 5.2 kg

Diameter = 2.6 cm

Radius r = 1.3 cm = 0.013 m

Height =  32.5

Stress on A = Force ÷ A = mg ÷ πr²

Stress = (5.2×9.8) ÷ (3.14×0.013²)

Stress = 96031 N/m²

For B

Mass m = 3.6 kg

Diameter = 2.3 cm

Radius r = 1.15 cm = 0.011 m

Height = 27.3

Stress on B = Force ÷ A = mg ÷ πr²

Stress = (3.6 ×9.8) ÷ (3.14×0.011 ²)

Stress = 92856 N/m²

C

Mass m = 4.7 kg

Diameter = 2.7 cm

Radius r = 1.35 cm = 0.0135 m

Height = 16.9

Stress on C= Force ÷ A = mg ÷ πr²

Stress = (4.7 ×9.8) ÷ (3.14×0.0135²)

Stress = 80487 N/m²

D

Mass m = 2.9 kg

Diameter = 32.2 cm

Radius r = 16.1 cm = 0.16 m

Stress on D = Force ÷ A = mg ÷ πr²

Stress = (2.9×9.8) ÷ (3.14×0.16²)

Stress = 353 N/m²

Hence Rank of stresses on the 4 cylinders are D, C, B, A

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