Newton's second law of motion is also known as
a) quantitative law of motion
b) quantitative law of force
c) qualitative law of motion
d) qualitative law of force​

The specific heat of aluminum is approximately 0.093 J/g°C.

To find the specific heat of aluminum, we can use the principle of heat transfer. The heat gained by the water is equal to the heat lost by the aluminum.

First, we calculate the heat lost by the aluminum using the equation:

Qaluminum = m × c × ΔT

Where:

Qaluminum is the heat lost by aluminum

m is the mass of aluminum (100 grams)

c is the specific heat of aluminum (unknown)

ΔT is the change in temperature of aluminum (100°C - 25°C = 75°C)

Qaluminum = 100 g × c × 75°C

Next, we calculate the heat gained by the water using the equation:

Qwater = m × c × ΔT

Where:

Qwater is the heat gained by water

m is the mass of water (109 grams)

c is the specific heat of water (4.18 J/g°C)

ΔT is the change in temperature of water (25°C - 10°C = 15°C)

Qwater = 109 g × 4.18 J/g°C × 15°C

Since the heat gained by water is equal to the heat lost by aluminum, we can set up the equation:

Qaluminum = Qwater

100 g × c × 75°C = 109 g × 4.18 J/g°C × 15°C

Simplifying the equation, we can solve for c:

c = (109 g × 4.18 J/g°C × 15°C) / (100 g × 75°C)

Calculating the value, we find:

c ≈ 0.093 J/g°C

Therefore, the specific heat of aluminum is approximately 0.093 J/g°C.

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Answer:

I dont know what you mena by road and the people

Answer:

All 7 Dragonballs

Explanation:

the dragonball Summon shenron which will then grant you a wish

In conclusion, when two identical springs are joined and a force is applied to their ends, the total distance the joined springs will stretch is twice the distance that one spring would stretch on its own.

When a single spring is pulled on both ends by a force, it stretches a certain distance. If we attach a second identical spring to the end of the first spring and apply the same force to the ends of the joined springs, we can determine the total distance the joined springs will stretch.

Let's assume that the original spring stretches a distance of "x" when the force is applied. Since the second spring is identical, it will also stretch a distance of "x" when the same force is applied.

When the springs are joined, the force applied to one end of the first spring will be transferred to the second spring, causing it to stretch as well. Therefore, the total distance the joined springs will stretch is the sum of the individual stretches of each spring.

So, the total distance the joined springs will stretch is 2x. This means that the joined springs will stretch twice as much as the individual spring would stretch on its own.

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Answer is b

Explanation:

The uneven surface of a broken quartz crystal is a description of its "fracture" property.

Fracture refers to the way a mineral breaks or cleaves when subjected to external forces or stress.

Unlike minerals that exhibit cleavage, which break along planes of weakness, minerals with fracture do not break along smooth, flat surfaces.

In the case of quartz, which is a crystalline mineral, its fracture can be described as conchoidal.

Conchoidal fracture is characterized by the production of curved, shell-like surfaces when the mineral breaks. These surfaces may appear uneven, jagged, or curved, resembling the shape of a shell or a broken piece of glass.

The conchoidal fracture property of quartz is a result of its atomic structure and the arrangement of its silicon and oxygen atoms.

When external forces cause the crystal lattice of quartz to break, the fracture occurs along irregular paths, resulting in the characteristic uneven surface.

The conchoidal fracture property of quartz is not unique to this mineral and can be observed in other materials like glass, obsidian, and flint.

It is a valuable diagnostic property used by geologists and mineralogists to identify and distinguish different minerals based on their fracture patterns.

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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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d = 10 m

Explanation:

Work = force × distance

or

distance = work/force

= (240 J)/(24 N)

= 10 m

Explanation:

First, convert terameters to meters.

234 Tm × (10¹² m / Tm) = 234×10¹² m

Now convert meters to nanometers.

234×10¹² m × (10⁹ nm / m) = 234×10²¹ nm

In scientific notation, that's 2.34×10²³ nm.

Answer:

Symptoms of carbon dioxide toxicity include high blood pressure, flushed skin, headache and twitching muscles

Hope this helps :)

Centripetal force on the end of a 66.0 m (radius) wind turbine blade that is rotating is calculated as = 1.23 *10^-4 N.

Centripetal force is the force acting on the object in curvilinear motion directed towards axis of rotation or the center of curvature and the unit of centripetal force is newton. It is directed perpendicular to the direction of the displacement of the object.

Given, radius= 66m mass is 3.4 kg

Given 0.47 rev/s

Angular velocity = 0.47 * 2π / 60

= 0.049 m/s

Centripetal force = mass * velocity²/radius

= 3.4 *  0.049² /66

Centripetal force= 1.23 *10^-4 N

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Answer:

Ok, sabemos que la velocidad inicial de la pelota es 15m/s.

Desconocemos la posición inicial a la que es lanzada la pelota, pero vamos a suponer que es a una altura igual a cero, es decir, la pelota es lanzada al ras del suelo.

Una vez lanzada, la única fuerza actuando en la pelota es la gravitatoria, entonces la aceleración de la pelota es:

a = -g = -9.8m/s^2

El signo negativo es por que esta aceleración apunta hacia abajo.

Ahora, para la velocidad, necesitamos integrar sobre el tiempo.

v(t) = (-9.8m/s^2)*t + v0

donde v0 = 15m/s

v(t) = (-9.8m/s^2)*t + 15m/s.

De aca podemos obtener el tiempo en el que la pelota llega a la altura máxima, que es el punto donde la velocidad es igual a cero.

0 = (-9.8m/s^2)*t + 15m/s.

t = (15/9.8)s = 1.53 s

Ahora, para la ecuación de la posición integramos la ecuación de la velocidad sobre el tiempo:

p(t) = (1/2)(-9.8m/s^2)*t^2 + 15m/s*t + p0

donde p0 es la pocision inicial, pero arriba dijimos que era igual a cero, entonces la ecuación queda:

p(t) = (-4.5m/s^2)*t^2 + 15m/s*t

ahora reemplazamos t por el tiempo que encontramos antes, y descubrimos que:

p(1.53s) =  (-4.5m/s^2)*(1.53s)^2 + 15m/s*1.53s = 12.41m

La máxima altura que alcanza la pelota es 12.41 metros arriba del punto desde el que se la lanzo.

Ahora, el tiempo total que esta en el aire puede ser calculado de tal forma que la posición vuelva a ser cero, es decir, la pelota llega a la misma altura desde la que fue lanzada inicialmente (y es agarrada por la persona, podemos suponer)

Entonces:

p(t) = 0 =  (-4.5m/s^2)*t^2 + 15m/s*t

Ahora resolvemos la eq cuadrática, usando la eq. de Bhaskara:

\(t = \frac{-15 +- \sqrt{15^2 - 4*(-4.5)*0} }{-2*4.5} = \frac{-15 +-15}{-9.8}\)

Entonces las soluciones son:

t = (-15 + 15)/-9.8 = 0s

t = (-15 - 15)/-9.8 = 3.06s

Tomamos la segunda solución, ya que la primera corresponde al tiempo inicial.

Entonces concluimos con que la pelota estuvo 3.06 segundos en el aire.

A particle moves according to the position function s(t) = e^6t sin(7t). Enclose arguments of functions in parentheses. The correct answer is (a) The velocity function is v(t) = e^(6t)(6sin(7t) + 7cos(7t)).
(b) The acceleration function is a(t) = e^(6t)(36sin(7t) + 72cos(7t) - 42sin(7t)).

(a) To find the velocity function, we need to take the derivative of the position function s(t) with respect to time t. The position function is s(t) = e^(6t)sin(7t).

Using the product rule, we get:

v(t) = d/dt(e^(6t)sin(7t)) = e^(6t)(6sin(7t) + 7cos(7t))

(b) To find the acceleration function, we need to take the derivative of the velocity function v(t) with respect to time t:

a(t) = d/dt(e^(6t)(6sin(7t) + 7cos(7t)))

Again, we use the product rule and get:

a(t) = e^(6t)(36sin(7t) + 72cos(7t) - 42sin(7t))

Your answer:
(a) The velocity function is v(t) = e^(6t)(6sin(7t) + 7cos(7t)).
(b) The acceleration function is a(t) = e^(6t)(36sin(7t) + 72cos(7t) - 42sin(7t)).

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Answer:

Hecht.

Explanation:

Without the voltage, we cannot calculate the electric field strength accurately.

To calculate the electric field strength inside a capacitor, you can use the formula:

Electric field strength (E) = Voltage (V) / Distance (d)

In this case, the spacing between the plates is given as 1.00 mm, which can be converted to meters by dividing it by 1000:

1.00 mm = 1.00 / 1000 = 0.001 m

Let's assume the voltage across the capacitor is V volts. So, the electric field strength (E) can be calculated as:

E = V / 0.001

However, you haven't provided the voltage (V) value in your question.

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"170 Degrees" is a temperature measurement unit commonly used in the Fahrenheit scale. If you are trying to convert "170 Degrees" from Fahrenheit to Celsius, it is important to understand how the two scales relate to each other.

The Fahrenheit scale is based on 32° being the temperature at which water freezes and 212° being the temperature at which water boils. In contrast, the Celsius scale has 0° as the temperature at which water freezes and 100° as the temperature at which water boils.

To convert "170 Degrees" from Fahrenheit to Celsius, you can use the formula:

C = (F - 32) * 5/9, where F is the temperature in Fahrenheit and C is the temperature in Celsius.

Plugging in "170 Degrees" for F, we get:

C = (170 - 32) * 5/9 = 76.67 * 5/9 = 76.67 * 0.5556 = 42.78°C.

So "170 Degrees" Fahrenheit is equivalent to 42.78°C in the Celsius scale.

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A force of 15 Newton stretches a spring to a total length of 30 cm and an additional force of 10 Newton's stretches to a Spring of 5 cm, the natural length of the spring is 58.5 cm

To find the natural length of the spring, we can use Hooke's law, which states that the force applied to a spring is directly proportional to the displacement of the spring from its natural length.

Let's denote the natural length of the spring as L.

According to the problem, a force of 15 Newton stretches the spring to a total length of 30 cm. This means that the displacement of the spring is 30 cm - L.

Using Hooke's law, we can set up the following equation:

Force = k * Displacement

where k is the spring constant.

For the first scenario, we have:
15 N = k * (30 cm - L)

Next, we are given that an additional force of 10 Newton's stretches the spring to a length of 5 cm. This implies that the displacement of the spring is 5 cm - L.

Using Hooke's law again, we can set up the following equation:

10 N = k * (5 cm - L)

Now we have two equations:

15 N = k * (30 cm - L)
10 N = k * (5 cm - L)

We can solve this system of equations to find the value of L, the natural length of the spring.

By dividing the second equation by 10, we get:

1 N = k * (0.5 cm - 0.1L)

Rearranging the equation, we have:

1 N = 0.5 k - 0.1kL

Now, let's substitute the value of k from the first equation into this equation:

1 N = 0.5 (15 N / (30 cm - L)) - 0.1 (15 N / (30 cm - L)) * L

Simplifying the equation, we get:

1 = 0.75 / (30 cm - L) - 1.5L / (30 cm - L)

Combining the terms on the right side of the equation, we have:

1 = (0.75 - 1.5L) / (30 cm - L)

Cross-multiplying, we get:

30 cm - L = 0.75 - 1.5L

Simplifying the equation, we have:

L - 1.5L = 0.75 - 30 cm

Combining like terms, we get:

-0.5L = -29.25 cm

Dividing both sides of the equation by -0.5, we get:

L = 58.5 cm

Therefore, the natural length of the spring is 58.5 cm.

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Answer:

Please find the attached pdf

Explanation:

The radius of the circle is equal to 20m if the centripetal acceleration is 5m/s².

The centripetal force is perpendicular to the velocity in a circular motion. If the particles change their speeds in a circular motion then acceleration is produced and the acceleration from directing toward the center.

The mathematical Formula for the centripetal acceleration used:

a = v²/r

Where 'r' is the radius of the circle and a is the centripetal acceleration.

Given, the velocity of the ride, v = 10 m/s

The centripetal acceleration, a = 5 m/s²

The radius of the circle in which the ride is going on is :

r = v²/a

r = (10)²/5

r = 20 m

Therefore, the radius of the circle is equal to 20m.

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Answer is the hind brain

The brainstem is located under the forebrain and midbrain. Therefore option D is correct.

The brainstem is located under both the forebrain and midbrain. It is a vital component of the central nervous system that connects the brain to the spinal cord and controls many essential functions such as breathing, heart rate, and digestion.

It consists of three main regions: the medulla oblongata, pons, and midbrain. The forebrain, midbrain, and hindbrain together constitute the major divisions of the brain.

The hindbrain is positioned below the midbrain and includes structures like the cerebellum, pons, and medulla oblongata.

The brainstem, specifically its lower regions, is responsible for relaying information between the brain and the rest of the body while regulating critical bodily functions.

Therefore option D is correct.

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Answer:

it is called Group of heterogeneous mixture

Explanation:

Because heterogeneous means uneven or with different compositions

So not evenly mixed will be heterogeneous mixture

Answer:

c

Explanation:

because thats it

Answer:

you hit a golf ball to the moon

Explanation:

Answer:

You hit the ball and it flies

Explanation:

You hit the ball and it flies

Answer:

Original fundamental frequency = 311.111 Hz (Approx)

Explanation:

Given:

Frequency (f) = 560 Hz

3rd harmonic

Used length = 60%

Find:

Original fundamental frequency.

Computation:

Fundamental frequency = Frequency (f) / 3rd harmonic

Fundamental frequency = 560 / 3

Original fundamental frequency = 560 / 3(60%)

Original fundamental frequency = 560 / 1.8

Original fundamental frequency = 311.111 Hz (Approx)

Answer:

No, because a scientific law is always absolutely true, no matter what a vote could not change a scientific law. People can vote how fast the speed of light is per second, but light will always be the speed it is no matter what.

Answer:

i think D

Explanation:

correct me if I wrong

Work = Force x distance

Force = 250 N

distance = 2 m

Replacing with the values given:

W = 250 N x 2 m = 250 kg m / s^2 x 2m = 500 kgm^2/s^2 = 500 J

1 N = 1 kgm/s^2

1J= 1 kg m^2 /s^2

In free-fall motion the velocity is given by the following equation of motion:

Where:

Therefore, the velocity increases linearly with time. This happens if the object encounters no air resistance. In the case that there is air resistance the object will reach a terminal velocity.

In the case of distance, this is given by the following equation:

This means that the distance increases with time following a parabolic function.