A ball is thrown upwards into the air with an initial velocity of
17.5 m/s. What is the maximum height that the ball traveled
during that time (assuming there is no air resistance). Round your
answer to two decimals places.

Answer:

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

\(a = \frac{f}{m} \\ \)

f is the force

m is the mass

From the question we have

\(a = \frac{580}{50} = 11.6 \\ \)

We have the final answer as

Hope this helps you

Newton's third law of motion states that for every action, there is an equal and opposite reaction. The action-reaction pair is used to describe the interaction between two objects. Therefore, when a car is speeding up as it drives along a level road, an action-reaction pair occurs.

An action-reaction pair is a pair of forces that are equal in strength and opposite in direction. When an object exerts a force on another object, the second object exerts an equal and opposite force on the first object. The action-reaction pair when a car speeds up as it drives along a level road can be explained as follows: Action force: The car exerts a force on the road in the forward direction. This is the action force. Reaction force: The road exerts a force on the car in the backward direction. This is the reaction force.

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The molar mass of a gas is molecular

⇒The molecular weight molar mass of any gas is the mass of one particle of that gas multiplied by Avogadro's number (6.02 x 1023). Knowing the molar mass of an element or compound can help us stoichiometrically balance a reaction equation.

The ladder angle rule is important and easy way to stay safe while climbing on a ladder.

Any ladder that is leaning such as an extension or portable straight ladder which do not support itself needs a right angle to set up to keep it both sturdy and safe.

Inclined angle of ladder is an important factor in Ladder safety, if it's wrong the ladder might fall causing injuries. There is a way to determine the angle length-

1. 4 to 1 Rule

1. 4 to 1 rule - According to this rule, your ladder should be placed at 75°

this rule means that for every 4 feet of the wall height, the bottom of the ladder must be placed one ft. away.

e.g. - The height you want to climb is 20 ft.

following the rule - 20 X 1/4 = 5ft.

which means you need to place the base of your ladder 5 feet away from the wall.

if bottom is closer, it will create a wider angle and the ladder will fall backward. if the ladder is far, inclined angle is small and it will fall.

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The radius of the circular path is 3.7 x 10⁻⁵m.

Centripetal force is the force required by an object to follow a circular motion.

Here,

Current in the lightning strike, I = 18.5 x 10³A

Distance from the location of electrons to the middle of stroke, R = 53 m

Speed of electron in air, v = 450 m/s

The magnetic field,

B = μ₀I/2\(\pi\)R

B = (4\(\pi\) x 10⁻⁷x18.5 x 10³)/(2\(\pi\) x 53)

B = 6.9 x 10⁻⁵T

The centripetal force is provided by the magnetic force. So,

qvB = mv²/r

Therefore, the radius of the circular path,

r = mv/qB

r = (9.1 x 10⁻³¹x 450)/(1.6 x 10⁻¹⁹x 6.9 x 10⁻⁵)

r = 3.7 x 10⁻⁵m

Hence,

The radius of the circular path is 3.7 x 10⁻⁵m.

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Answer:

me to I have the same question

Explanation:

She can put an ice cube on each cup to see which cube melts faster.

First, we know two things:

We can also assume, because of the second thing, that all ice cubes have the same temperature.

Then, one way to know which cup has more temperature is to put one ice cube on each cup, then measure the time it takes for the cube to melt completely.

When you put the ice cube on the cup, it will start to "drain" the heat energy from the liquid. If the liquid has more temperature, more energy can the cube drain, thus faster it will change to the liquid phase.

Then with a single cube on each cup you will have enough evidence to determine which cup has more temperature.

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Answer:

The trees would remove more carbon from the atmosphere.

Explanation:

I just completed the test, and got a 100%.

After considering the given data we conclude that the wavelength of visible light emitted by a hydrogen atom when its excited electron drops from n = 6 to n = 2 is approximately 102.55 nm.

To evaluate the wavelength (in nm) of visible light emitted by a hydrogen atom when its excited electron drops from n = 6 to n = 2, we can apply the Rydberg formula:
\(1/\lambda = R(1/n_1^{2} - 1/n_2^{2} )\)
Here:
λ = wavelength of the emitted light
R = Rydberg constant \((1.097 *10^7 m^{-1} )\)
\(n_1\) and \(n_2\) = initial and final energy levels of the electron
Applying substitution of the given values, we get:
\(1/lambda = (1.097 * 10^7 m^{-1} )(1/6^{2} - 1/2^{2} )\)
Evaluating for λ, we get:
λ = 102.55 nm
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The deceleration for a car traveling at 55 km/h can be interpolated to be 7.06 m/s².

A) To find whether the car will stop in time or not, we have to use the below formula:Where,

t = time taken to stop

v = initial velocity

u = final velocity

a = deceleration distance = vt + 0.5at²

We can use the above formula and find the distance covered by the car before stopping.

If the distance covered by the car is less than 40 m, then the car will stop in time and the child will be saved. If the distance is greater than or equal to 40 m, then the car will not be able to stop in time and the child will be hit.

For a car traveling at 55 km/h, the speed is 15.28 m/s. The deceleration values for different cars can be found from the table below:Speed (m/s) Braking Distance Toyota Corolla
(m) Nissan 200SX
(m) Mercedes C36
(m) Ferrari550 Maranello
(m) Lexus LS400
(m)60 14.9 17.2 20.1 24.8 16.070 20.3 23.4 27.4 33.8 21.880 26.5 30.6 35.8 44.1 28.490 33.6 38.7 45.3 55.8 36.0100 41.5 47.8 55.9 68.9 44.4110 50.2 57.8 67.7 83.4 53.8120 59.7 68.8 80.5 99.2 64.0

Therefore, Interpolation shows that the deceleration for an automobile moving at 55 km/h is 7.06 m/s2. .

Using the formula for deceleration with initial velocity of 15.28 m/s, we get the distance covered by the car before stopping to be:distance = (15.28)² / 2 * 7.06 = 19.68 m

As the distance covered by the car is less than 40 m, the car will stop in time.

B) The limitations of this model are:This model assumes that the car is traveling on a flat surface and the road conditions are good.

The model does not take into account the reaction time of the driver and assumes that the driver reacts immediately to the child running onto the road.

The model does not take into account the age of the vehicle, the weight of the vehicle, the condition of the brakes and tires, and other factors that may affect the braking distance of the car.

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Answer:

10^4 microphones

Hope it helps

Explanation:

10^-2 phones

= 10^(6-2)

= 10^4 microphones

Answer:

18

Explanation:

12 - 5 + 8 = 15

12 - 8 = 4

7 - 4 = 3

15 + 3 = 18

Answer:

C 340 m

Explanation:

may i be marked brainliest?

The complete question is;

The gravitational force between two objects is ______ proportional to the products of the masses and _______ proportional to the square of the distance between them.

Answer:

First dash is directly

Second dash is inversely

Explanation:

From Newton's law of gravitation the gravitational force is given by the equation;

F = GMm/r²

Where:

F is gravitational force

M and m are two masses representing the two objects

r is the distance between them

G = universal gravitational constant

Thus, if we are to write it in proportion format, we will have;

F ∝ Mm/r²

From this proportion relationship, we can see that the Gravitational force is directly proportional to the products of the two masses and inversely proportional to the square of the distance between them.

Answer:

Explanation:

The gravitational force between two objects is directly  proportional to the products of the masses and  inversely proportional to the square of the distance between them.

It is easier to build up an electrostatic charge (static electricity) on days with low humidity because there are fewer water molecules present in the air. Humidity is the amount of water vapor present in the air. The drier the air is, the lower its humidity will be.

When the humidity is low, there are fewer water molecules present in the air that can interact with charged objects and neutralize their charges. As a result, it is easier for objects to acquire and retain a charge on days with low humidity, which leads to the buildup of static electricity.

Static electricity is a type of electric charge that occurs when objects have an imbalance of electric charges. It is called static electricity because it is usually caused by friction between two objects that are not moving. This friction can cause electrons to be transferred from one object to another, creating a buildup of electric charge.

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Answer:

Two moles of aluminum chloride \((AlCl_3)\) are produced when six miles of hydrogen Chloride \((HCl)\) react with plenty of aluminum

Explanation:

6 Moles of \(HCl\) will only react with 2 moles of \(Al\) irrespective of the number of moles of each compound present. The reaction wiil take place in this ratio only. The products produced will be 2 moles of \(AlCl_3\) and 3 moles of \(H_2\) this ratio will also be constant.

So, six moles of hydrogen chloride \((HCl)\) will react with plenty of aluminum to produce many 2 moles of aluminum chloride \((AlCl_3)\).

Answer:

PICK ONE

Explanation:

Answer:

5500000 millimeters

Explanation:

1 kilometre= 1000 meter

5.5 km=5.5 * 1000

=5500

Now,

1 metre = 1000 millimetres

5500 metre=1000*5500

=5500000 mm

Answer:

Billions :)

hope this helps! <3

Stars are celestial objects that have the ability to generate their own light. There are billions of stars present in the galaxy.

Stars are celestial objects that have the ability to generate their own light. They're 20to 40 km in diameter . They are primarily hydrogen gas with a small amount of helium.

The sun is also a star, and its energy and light play a crucial part in the survival of all kinds of life on Earth.

Hence option 4 is correct . Stars are billion in numbers in the galaxy.

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Answer:

Explanation:

A 2,500 watts

Answer:

Ohm's Law:

\(V = IR\)

Where V is voltage, I is current and R is resistance

While,

\(P = IV\)

Where P is power, I is current and V is voltage (or potential difference)

So, Electrical power is the product of current and potential difference.

Hello mate !!! ^-^ !!!

(a) True

(b) False

(c) 6A – 2A = 4A.

(a) As we can see in the above given circuit diagram is parallel connection. So, A is 6A.

The current is distributed of each wire in the same quantity which is = 2A. ( So, 2A × 3 = 6A ).

(b) Since, it's a parallel connection, all electrons will flow equally to each connection connected to bulb and ammeter. So, if bulb B3 is blown away, the other two bulb will continue the same glow as before as previous glow they have there.

(c) As one bulb will blow away, take an example if bulb B1 is blown away, The affect on ammeter 'A' reading will be = 2A + 2A = 4A.

Answer:

Liquid

Explanation:

Thw answer is liquid

Answer: in ice 0 Celsius in the melting point, in water 0 Celsius is the freezing point. so when ice is warming up, at 0 Celsius Particles in ice gain enough energy to break the forces of attractions keeping the as solid, at 0Celsius ice starts to melt.

Explanation:

Using the elements of the systems perspective, synergy can be thought of as a transformative process. Hence, option b) aligns well with the answer.

Synergy occurs when the integration of different parts of a system results in a whole that is more effective than the sum of its parts. This principle is based on the idea that a system's output is determined by how its individual elements interact with one another. As a result, a systems perspective can aid in the understanding of the causes and consequences of synergistic interactions.

Synergy refers to the phenomenon in which the combined efforts of elements result in a more powerful and effective outcome than they would have achieved individually.

For example, consider a team of employees working together on a project. The group's output may be greater than the sum of each individual's output. This is because each person has unique talents, perspectives, and experiences that they bring to the table.

When these elements are combined in a synergistic manner, the team can achieve results that no individual could have achieved on their own.The transformative process of synergy has many potential benefits. Synergy can lead to innovation, increased productivity, and improved decision-making.

Synergistic systems can be highly resilient, as they are often able to adapt to changing circumstances and maintain stability in the face of disruption. Additionally, synergistic systems are often more efficient, as they minimize duplication of effort and resources.

Finally, the systems perspective on synergy highlights the interconnectedness of the elements within a system. This interconnectedness emphasizes the importance of a holistic approach to problem-solving. Rather than focusing solely on individual components of a system, a systems perspective considers the relationships between those components.

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Answer:

A workout injury can happen to anyone, no matter your experience or fitness level. People hurt themselves in all kinds of ways when they work out. Even walking can cause an injury. But you can significantly cut your risk of getting hurt by following certain workout precautions. There are simple steps that can help keep you injury-free during your workout.

Every workout should begin with a warm-up and end with a cool-down period. A warm-up helps your body get ready for exercise. It gradually increases your heart rate and loosens your muscles and joints. Cool-down after you work out so, it brings your heart rate back to normal. Walking for 5 to 10 minutes after you work out is one way to cool down. Do dynamic stretching before and after you work out. This will help increase flexibility. Don't push yourself too hard. As your fitness abilities increase and you will be able to challenge yourself more.

Hope this helps

Maintaining physical fitness is very important in today's world. Each and everyone should be involved in physical fitness.nowaday people are so busy with their work that they have forgotten health is wealth.

Even if we get engaged in physical fitness activity we can some time get insuries . some of tips that can help prevent from getting physical fitness injury, warm up exercises should be done before exercise to avoid muscle strength.safety precautions should be taken if you are dealing with heavy objects .

hence we should maintain physical fitness with getting rid of injury that may occur

mark me

Newton's cradle is described as an almost ideal closed system because it is a system that is nearly isolated from its environment. This means that the system is mostly self-contained and does not exchange matter or energy with its surroundings.

In the case of Newton's cradle, the system consists of a set of metal balls that are suspended from a frame. When one ball is pulled back and released, it strikes the other balls and causes them to swing back and forth. This motion is almost perfectly elastic, which means that the balls do not lose or gain energy during the collision. As a result, the system is nearly closed and does not exchange energy with the surrounding environment.

Overall, Newton's cradle is described as an almost ideal closed system because it is nearly isolated from its environment and does not exchange matter or energy with its surroundings. This allows the system to demonstrate the principles of conservation of momentum and energy in a simple and visual way.

Because it is a system that is almost completely isolated from its surroundings, Newton's cradle is referred to be an almost ideal closed system. This indicates that the system is largely self-contained and does not interact with the environment to exchange matter or energy.

The Newton's Cradle is an apparatus that uses spheres in motion to show how momentum and energy are conserved. One of the stationary spheres at the end is lifted and released, striking them and sending a force through them that forces the final sphere higher.

In order to recreate the effect in the other way, the final sphere swings back and collides with the virtually stationary spheres. The instrument was created by French scientist Edme Mariotte and is named after English scientist Sir Isaac Newton who lived in the 17th century.

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Answer:

never scared

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