A simple pendulum with a length of 2 m oscillates on the Earth's surface. What is the period of oscillations?

The power rating of the LED light bulb connected to an 18 V battery and having a current flow of 0.50 A is 9 watts.

The power rating of an electrical device can be calculated using the formula P = VI, where P represents power, V represents voltage, and I represents current. In this case, the voltage is given as 18 volts, and the current flowing through the LED light bulb is 0.50 amperes. By substituting these values into the formula, we can find the power rating.

P = 18 V × 0.50 A = 9 watts.

Therefore, the power rating of the LED light bulb is 9 watts. This means that when the bulb is connected to the 18 V battery and a current of 0.50 A flows through it, it consumes 9 watts of electrical power. The power rating indicates the rate at which the bulb converts electrical energy into light and heat.

It is important to consider the power rating when selecting light bulbs to ensure compatibility with the electrical system and to avoid overloading circuits.

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Answer:

pretty sure it's true....

The electrical potential between the anode and the cathode alters when a charged particle enters the tube. This shift in voltage in the electrical circuit results from the potential change in the tube and counts as a change.

When radiation strikes the gas inside the tube, it dislodges an electron from the gas particle and produces an ion pair. The tube's centre has a filament that draws electrons.

The ionisation process is used by a Geiger counter to measure and identify radiation. The chamber of the gadget contains a stable gas. This gas ionises when subjected to radioactive particles.

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We will have that the flux density will be:

Answer:

Actually, the sun goes a bit down, like it's not all the way up as to summer. How I know is that you actually can go online maybe search for some videos and see proof, I don't really know how to explain it.

Explanation:

Reason #1: If you check, go out for 12 hours and see, I think the sun is a little down.

Reason #2:

The earth’s axis is tilted.

From a Brainly user of this question for more info:

The Earth is NOT farther away from the sun in USA Winter, and NOT closer to the sun in USA Summer. In 2021, we will be NEAREST to the sun on January 2, and FARTHEST from the sun on July 5 !

NEAREST to the sun next Saturday.

FARTHEST from the sun next July 5.

Answer:

A and B

Explanation:

They contain Chlorophyll

They are relatively tall

Answer:

C

Explanation:

The rock takes 8.16s to return to its release point. Given that the elastic band provides a speed of 40m/s to the rock in 10 cm stretch.

Initial speed of the rock, u = 40m/s

Final position of the rock s = 0m taking the release point as reference. The rock takes 8.16s to return to its release point. Given that the elastic band provides a speed of 40m/s to the rock in 10 cm stretch.

Nuclear energy is a useful source of power but has disadvantages. The disadvantage of nuclear energy is it produces dangerous waste.

Initial speed of the rock, u = 40m/s

Final position of the rock s = 0m taking the release point as reference

From the second equation of motion:

solving above we get:

t = 0s or t = 8.16s,  t =0  seconds is neglected since it represents the initial position which is the same as the final position at t = 8.16s

So, the rock takes 8.16 seconds to return to the release point.

Therefore, The rock takes 8.16s to return to its release point. Given that the elastic band provides a speed of 40m/s to the rock in 10 cm stretch.

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Open, flat, and closed universes are the three forms of expanding universes that are theoretically possible. The universe would always grow if it were open.

If the universe were flat, it would also continue to expand indefinitely, but the rate of growth would eventually reduce to zero.

One is the red-shift phenomenon, which shows that the cosmos is expanding. Cosmic microwave background radiation is the second type. The universe's abundance of various elements is the third.

The majority of astronomers think that dark energy is a type of substance with an inverse gravity that repels matter from its vicinity.

Therefore, According to scientific theories, this is what is causing the universe to expand and to push stars, planets, and galaxies apart.

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The exact distance from the seismic station to the epicenter is 6000 km.

The earthquake's epicenter is the point above the fault location on the earth's surface.

Given that:

A p-wave arrives at 3:00:00 and the s-wave arrives at 3:07:20.

Difference in arrival time = 3:07:20 - 3:00:00 = 7 minutes 20 seconds

From the earthquake time travel graph, a time difference of 7 min 20 sec is at x = 6

The exact distance from the seismic station to the epicenter is 6000 km.

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Answer: 13720

Explanation: the equation is....

The new speed with respect to the ground is 512 m/h.

We can tell that is speed is the rate at which the velocity changes with respect to time. In this case, we can see that the jet airliner moving initially at 103 mph (with respect to the ground) to the east moves into a region where the wind is blowing at 441 mph in a direction 19° north of east.

Hence;

→ The east component =  103 + 441 cos(52) = 375 m/h

→ The north component = 441 sin(52) = 348  m/h

We can now get the new velocity by the use of;

√( 375)^2 + (348)^2 =

= 512 m/h

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Answer:

Light considered a form of electromagnetic radiation because an energy that travels in the form of electromagnetic waves. It can also be described as a flow of particle-like 'wave-packets', called photons, that travel constantly at the speed of light (about 300 000 kilometres per second) .

Answer:

Measurement is the assignment of a number to a characteristic of an object or event

Explanation:

Answer:

Measurement is the assignment of a number to a characteristic of an object or event, which can be compared with other objects or event

Answer:

C. it makes vegetation grow out of control

Explanation:

please mark this answer as brainliest

Answer:

also tripled, factor of 3

Explanation:

equation of momentum is p = m * v , where p=momentum, m=mass, and v=velocity

if m is unchanged

p1 = m1 *v1

p2 = m2 *v2

m1 = m2 and v2 = 3*v1

p2 = m1 * 3v1 = 3*p1, tripled momentum

The energy that has been used is 0.24 kWh

Answer:Solar system formed about 4.6 billion year ago, when gravity pulled together low-density cloud of interstellar gas and dust (called a nebula)(movie). The Orion Nebula, an interstellar cloud in which star systems and possibly planets are forming. Initially the cloud was about several light years across.

Explanation:

Answer:

They're are useful in providing larger frictional force

Explanation:

The football shoes have spikes or studs because the studs or spikes provides larger frictional force than normal shoes while running on the grass.

The studs helps to prevent a player from slipping on the grass and help to run faster and change direction quickly without slipping.

11223.9J or 11.2239 kJ is the total internal energy of the gas.

Internal energy, which results from the motion of matter at the molecular level, is a type of energy that exists in all systems. For internal energy, the letter U is used, and the joule is the unit of measurement (J).

As a substance changes from one state or phase to another—from solid to liquid to gas—its internal energy also rises. It is possible to imagine planetary bodies as a fusion of heat engines and heat reservoirs.

The heat engines transform some of the thermal energy stored in the heat reservoirs into different forms of mechanical, electrical, and chemical energy.

The formula for total internal energy of gas is

(3/2)nRT

where n = amount of substance

R = Ideal gas constant

T = temperature

Put the value in the equation

(3/2)nRT

= (3/2)(3)( 8.314)(300)

= 11223.9J

Thus, 11223.9J or 11.2239 kJ is the total total internal energy of the gas.

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Answer:

Explanation:

Performing physical activities helps to build a healthy relationship with yourself, in the sense that physical activity promotes health at all levels. Health is a set of physical, mental and social well-being, so physical activity reaches all these levels and increases the quality of life for a person as a whole.

There are several types of physical activities that can be performed and you can choose the one that best fits your preferences and routine. A walk for example can be done in any safe place and at any time and it already helps in improving physical conditioning, in receiving serotonin and endorphins, in reducing blood pressure and protecting the heart and in improving mental health.

So the ideal is for each person to set their own goals in relation to their health and seek to achieve them, either to have a better quality of life, to socialize more with people, to prevent diseases, etc.

Physical exercise helps build relationship by:

This is known to be any physical activities such as walking, running, etc., that is often done so as to keep the body fit.

It is very important when as it helps one to maintain a good balance of mental health. As a person moves their body, there is the release of endorphins that functions to make us feel good and helps handle the effects of stress and anxiety. The more a person exercise, the less mental health cases and more happier relationships.

Note that Values are the drive force of  your actions and they push or motivate as you set your life goals. They help to eliminate any obstacle in term of foreign ideas that are against one's value and it keeps one's focus on the goal.

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To find the impulse produced by the force, we can use the formula:

Impulse = Force × Time

(a) Impulse produced by the force = 58 N × 15 s = 870 N·s

The impulse produced by the force is 870 N·s.

To find the resulting change in the momentum of the body, we can use the formula:

Change in Momentum = Mass × Change in Velocity

(b) Since the force acts on the body for 15 seconds, the change in velocity can be calculated using the formula:

Change in Velocity = (Force / Mass) × Time

Change in Velocity = (58 N / 29 kg) × 15 s = 116 m/s

The resulting change in momentum of the body is given by:

Change in Momentum = Mass × Change in Velocity = 29 kg × 116 m/s = 3364 kg·m/s

The resulting change in momentum of the body is 3364 kg·m/s.

To find the speed of the body at the end of 15 seconds, we need to calculate the final velocity. We can use the formula:

Final Velocity = Initial Velocity + (Change in Velocity)

Since the problem doesn't mention the initial velocity, we assume it to be zero (at rest).

(c) Speed of the body at the end of 15 s = Final Velocity = Change in Velocity = 116 m/s

The speed of the body at the end of 15 seconds is 116 m/s.

Option C. The buoyant force will be greater than the gravitational force, causing the object to rise.

When an object is submerged in a fluid and is being pushed back up to the surface, there are several forces acting on it. These forces are:

Buoyant force: This force is the upward force exerted by the fluid on the object. It is equal to the weight of the fluid displaced by the object and is directed opposite to the gravitational force.

Gravitational force: This force is the downward force exerted on the object due to gravity. It is equal to the weight of the object and is directed towards the center of the earth.

Drag force: This force is the resistance that the fluid exerts on the object as it moves through it. It is directed opposite to the velocity of the object and is proportional to the velocity squared.

Surface tension: This force is the cohesive force that exists between the molecules on the surface of the fluid. It acts perpendicular to any line tangent to the surface of the fluid and is dependent on the properties of the fluid and the object's surface.

In the case of an object being pushed back up to the surface of the fluid, the buoyant force will be greater than the gravitational force, causing the object to rise. The drag force and surface tension may also play a role in the motion of the object, but their effects will depend on the specific conditions of the fluid and the object.

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Answer:

S. offspring recieve a mix of genes from two different parents

Offspring acquire genes that are exactly the same as one parent’s genes. Option B is correct.

Given that,
To choose the statement best explains the genetic variation that results from sexual reproduction.

Sexual reproduction is the process of creating new organisms by combining the genetic details of two individuals of different genders. The genetic details in most animals is carried on chromosomes in the nucleus of reproductive cells called gametes, which unite to form a diploid zygote.

Here,
The solution is due to the fact that each parent has two distinct sets of genes. Furthermore, each parent only passes on half of their DNA to their offspring. And that the half that is passed on is arbitrary. All of this ensures that each child is born with a distinct set of genes.

Thus, Offspring acquire genes that are exactly the same as one parent’s genes. Option B is correct.

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Answer:

The factors of production include Land, Labour, Capital and Enterpreneurship

Explanation:

The fruit could be apple, orange , pineapple etc which are usually grown on land . They are tended to by people to ensure there is maximum yield. These people provide the required labour needed.

The cost of planting and payment of workers usually comes from the capital which is often used in running the business by the owner which makes certain decisions to ensure the fruit company is in place. All these factors work hand in hand to ensure production of fruit in a production company is possible.

Answer:

(i)  Electric field outside the shell:

For point r>R; draw a spherical gaussian surface of radius r.

Using gauss law, ∮E.ds=q0qend

Since E is perpendicular to gaussian surface, angle betwee E is 0.

Also E being constant, can be taken out of integral.

So, E(4πr2)=q0q

So, E=4πε01r2q

Answer:

metamorpic rock

Explanation:

the rock stay near the ocen

Answer:

Depends: Is it tennis or volleyball?

Explanation:

If it's volleyball, it's C, the other teams point.

If it's tennis, it's A, you get a re-do.

Answer: if the door knob is metal the static electricity will exit your body, but shock you in the process

Explanation: