what is solid-solution strengthening? describe the two main types.

The force of gravity on the space station is 1.96 × 10⁴ N.

The Formula to calculate the force of gravity is given by:

Force = G * m1 * m2 / r^2

Here,

F is the force of gravity

G is the gravitational constant

m1 is the mass of the first object

m2 is the mass of the second object

r is the distance between the centers of the two objects

G =  (6.67 × 10⁻¹¹ m³ kg⁻¹ s⁻²)

m1 = (1.2 × 10⁵ kg × 5.97 × 10²⁴ kg)

m2 = (5.97 × 10^24 kg)

r = 3.5 × 10⁵ m

Substituting the values in the above-given formula, we have:

F = 6.67 × 10⁻¹¹ m³ kg⁻¹ s⁻² × 1.2 × 10⁵ kg × 5.97 × 10²⁴ kg / (3.5 × 10⁵ m)² = 3.61 × 10¹⁵ N

F = 1.96 × 10⁴ N

Therefore, the force of gravity on the space station is 1.96 × 10⁴ N.

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Answer:

Explanation:

The new volume can be found by using the formula for Boyle's law which is

\(P_1V_1 = P_2V_2\)

Since we are finding the new volume

\(V_2 = \frac{P_1V_1}{P_2} \\\)

From the question we have

\(V_2 = \frac{5 \times 90000}{145000} = \frac{450000}{145000} = \frac{450}{145} \\ = 3.103448...\)

We have the final answer as

Hope this helps you

answer:

20-0

=20

Explanation:

from rest initial velocity is zero.

final velocity is 20

hence change in velocity is;

20-0

=20

Answer:

Aim: To investigate which material of pot will cook food quicker.

Hypothesis: The (aluminum/enamel) pots will cook the food quicker than the (aluminum/enamel) pots.

Apparatus:

- Aluminum pots

- Enamel pots

- Stove top

Variables:

Independent variable (What will be changed) - Material of pot

Dependent variable (What's being measured) - Time taken for food to cook

Controlled variables (What's staying the same) - Size of pot, type of food being cooked, quantity of food being cooked, stove top

Method:

Results: (I don't have results because i never conducted this experiment)

Conclusion: This experiment showed that (aluminum/enamel) pots cooked the food quicker than (aluminum/enamel pots). These results (supported/rejected) my hypothesis.

Evaluation: (Never did the experiment, so there's nothing to evaluate)

Explanation:

I hope this helps :)

Answer:

decomposers break down waste to yield ammonia.

Explanation:

The nitrogen cycle is the process by which nitrogen circulates among the atmosphere, terrestrial, and marine ecosystems and is converted into multiple chemical forms through both biological and physical processes.

In the nitrogen cycle, decomposers do not break down waste to yield ammonia.

So, the option ''decomposers break down waste to yield ammonia'' is correct.

A restoring force and an equilibrium position are closely related. The restoring force is responsible for bringing an object back to its equilibrium position when it is displaced.

When an object is in its equilibrium position, it experiences a net force of zero. This means that the forces acting on the object are balanced, resulting in a stable position. However, if the object is displaced from its equilibrium position, a restoring force comes into play. The restoring force is a force that acts in the opposite direction of the displacement, aiming to restore the object back to its equilibrium position.

Mathematically, the restoring force is proportional to the displacement from the equilibrium position. It follows Hooke's Law, which states that the force exerted by a spring is directly proportional to the displacement of the spring from its equilibrium position. This relationship is given by the equation F = -kx, where F is the restoring force, k is the spring constant (a measure of the stiffness of the system), and x is the displacement from the equilibrium position.

In summary, a restoring force and an equilibrium position are related in that the restoring force acts to bring an object back to its equilibrium position when it is displaced. This force is proportional to the displacement and follows Hooke's Law for systems like springs.

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a) Scalar quantity, b) Vector quantity, c) Vector quantity, d) Scalar quantity, e) Vector quantity, f) Scalar quantity, g) Scalar quantity, h) Scalar quantity.

A scalar quantity is a physical quantity with a single numerical value. Scalar quantities include mass, temperature, and velocity.

A vector quantity is a physical quantity that has a magnitude as well as a direction. Displacement, velocity, and acceleration are examples of vector quantities. Scalar quantities may be stated as a single numerical value, but vector quantities must be expressed as a magnitude and a direction.

In physics, vector quantities are frequently employed to describe physical qualities such as force, velocity, and acceleration. The parallelogram technique can be used to add and subtract vector values. Scalar quantities, on the other hand, cannot be added or subtracted in the same way. Scalar quantities are easily added and subtracted.

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Answer:

Increased momentum =40-20=20

F=P/T=20/2.4=8.33N

Explanation:

F=(force)

P=(momentum)

T=(time)

Answer:

steam is a gas

Explanation:

Answer: Steam is an invisible gas, unlike water vapor, which appears as a mist or fog.

Explanation:

The first and second blocks move at the same speed.

What is the law of conservation of mechanical energy ?

The law of conservation of mechanical energy states that the total mechanical energy of a system is constant if the only forces acting on the system are conservative.

The total mechanical energy of a system is the sum of kinetic and potential energy.

E = KE + PE

This is the total energy, kinetic energy and potential energy of the system.

The kinetic energy of the

system is:

KE = 1/2 x m x v^{2}

This is the mass and velocity of the object.

The gravitational potential energy is:

PE = mgh

Here is the acceleration of gravity and altitude.

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Answer:

acid

Explanation:

because ph below 7 is acid

Explanation:

Metallic bonds hold metal atoms and freely moving valence electrons together, while Van der Waals forces hold nonpolar molecules together. OD. Metallic bonds hold metal atoms and freely moving valence electrons together while Van der Waals forces hold atoms together when they share valence electrons.

Answer:

When the liquid moves through the hydrosphere, the water collects into a cloud. When it falls to the earth, turning into snow and sleet collecting in rivers and lakes.

Explanation:

Hope that helps

Answer:

The frozen part of the hydrosphere has its own name, the cryosphere. Water moves through the hydrosphere in a cycle. Water collects in clouds, then falls to Earth in the form of rain or snow. This water collects in rivers, lakes and oceans.

a) The change in height from the top of the ramp to the ground is approximately 0.50 m.b) The total mechanical energy at the point where the ramp meets the ground is zero. c) The work done to compress the front suspension is approximately 70.3 J.

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Given,

The mass is m=1200kg

Height is h=14 m

Power is P=9kW

We know

Energy per unit time is power.

Thus,

P=mgh/t

where t is the time.

Thus,

The time is 18.312 sec.

Answer:

Brazil, France, Spain ,Puerto rico,Venezuela, Yemen

Explanation:

The ball reaches a maximum height of approximately 42.83 ft.  the ball lands at a horizontal distance of approximately 81.36 ft. he average value of f(x)= x³8 +9x on the interval is 10.5.

To determine the maximum height and horizontal distance traveled by the ball shot at an angle of 45 degrees with an initial velocity of 41 ft/sec and neglecting air resistance, we can use basic kinematic equations.

Maximum Height:

The maximum height reached by the ball can be calculated using the equation for vertical displacement:

y_max = (v₀² * sin²θ) / (2g),

where v₀ is the initial velocity, θ is the launch angle (45 degrees), and g is the acceleration due to gravity (32 ft/s²).

Plugging in the values, we get:

y_max = (41² * sin²45°) / (2 * 32) = 42.83 ft.

Therefore, the ball reaches a maximum height of approximately 42.83 ft.

Horizontal Distance:

The horizontal distance traveled by the ball can be calculated using the equation for horizontal displacement:

x = v₀ * cosθ * t,

where x is the horizontal distance and t is the time of flight.

Since the ball goes up and then comes back down, the total time of flight can be calculated as:

t_total = 2 * (v₀ * sinθ) / g.

Plugging in the values, we get:

t_total = 2 * (41 * sin45°) / 32 ≈ 2.88 s.

Using this total time, we can find the horizontal distance:

x = 41 * cos45° * 2.88 ≈ 81.36 ft.

Therefore, the ball lands at a horizontal distance of approximately 81.36 ft.

Moving on to the second question:

To find the position of a particle at time t = 14, given its acceleration, initial position, and initial velocity, we can use the equations of motion.

The position function s(t) can be obtained by integrating the acceleration function twice with respect to time. Since the given acceleration is a linear function, we have:

s(t) = (1/6)at³ + (1/2)v₀t² + s₀,

where a is the acceleration, v₀ is the initial velocity, and s₀ is the initial position.

Plugging in the given values, we get:

s(14) = (1/6)(24)(14)³ + (1/2)(15)(14)² + 12 ≈ 546.67.

Therefore, the position of the particle at time t = 14 is approximately 546.67.

Lastly, for the average value of f(x) = x³ + 9x on the interval [1, 2], we can use the formula for the average value of a function on an interval:

Average value = (1 / (b - a)) * ∫[a, b] f(x) dx,

where [a, b] represents the interval.

Plugging in the values, we have:

Average value = (1 / (2 - 1)) * ∫[1, 2] (x³ + 9x) dx.

Evaluating the integral, we get:

Average value = (1 / 1) * [(1/4)x⁴ + (9/2)x²] evaluated from 1 to 2,

Average value = (1/4)(2⁴ + 9(2²)) - (1/4)(1⁴ + 9(1²)),

Average value = (1/4)(16 + 36) - (1/4)(1 + 9),

Average value = (1/4)(52) - (1/4)(10),

Average value = 13 - 2.5,

Average value ≈ 10.5

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Upon what basic quantity does kinetic energy depend:

kinetic energy depends on motion. The amount of kinetic energy an object has is determined by its mass and velocity.

The kinetic energy equation is KE = 1/2 mv², where KE is kinetic energy, m is mass, and v is velocity.

Therefore, the basic quantity on which kinetic energy depends is motion.
Kinetic energy depends on the basic quantity of motion.

It is calculated as KE = 1/2 * m * v^2, where KE is kinetic energy, m is the mass of the object, and v is its velocity. In this formula, mass and velocity are the two main factors determining the object's motion, and hence its kinetic energy.

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1. The law of corresponding states that at the same reduced conditions (expressed in terms of reduced temperature and pressure), different gases will exhibit similar behavior in terms of their compressibility factor (Z). This law allows gases to be compared and studied based on their reduced properties rather than their individual molecular characteristics.

2. Real gases may behave as ideal gases under conditions of low pressure and high temperature. When the pressure is low and the intermolecular forces between gas molecules are weak, the gas molecules are far apart and their volume becomes negligible. Additionally, at high temperatures, the kinetic energy of the gas molecules is significant, leading to increased randomness and less interaction between the molecules.

1. The law of corresponding states establishes a relationship between the behavior of different gases by comparing their reduced properties. The reduced temperature (Tr) is the actual temperature divided by the critical temperature (Tc), and the reduced pressure (Pr) is the actual pressure divided by the critical pressure (Pc). By plotting Z, the compressibility factor, against Pr and Tr, gases of different compositions can be compared on a single graph. The law states that gases with similar values of Z at the same reduced conditions will exhibit similar behavior, indicating a deviation from ideal gas behavior.

2. Real gases deviate from ideal gas behavior due to intermolecular forces and the finite volume of gas molecules. However, under certain conditions, these deviations become negligible, and the gas behaves as an ideal gas. When the pressure is low, the gas molecules are far apart, and their volume is relatively small compared to the available space. This reduces the impact of intermolecular forces and makes the gas behave similarly to an ideal gas. Similarly, at high temperatures, the kinetic energy of gas molecules overcomes the attractive forces between them, resulting in less interaction and a closer approximation to ideal gas behavior.

3. a. In the saturation envelope of a mixture of methane (10%) and ethane (90%), the envelope represents the range of conditions (temperature and pressure) at which the mixture exists as a vapor and liquid in equilibrium. Due to the difference in molecular properties, the saturation envelope for this mixture will be different from that of pure methane or ethane. The composition of the mixture influences the temperature and pressure ranges at which the transition from vapor to liquid occurs.

  b. In the saturation envelope of a mixture of ethane (50%) and pentane (50%), the composition of the mixture plays a significant role. The saturation envelope for this mixture will exhibit a different temperature and pressure range compared to the individual components. The presence of different molecules alters the intermolecular interactions and leads to changes in the phase transition behavior.

4. The five main processes during the processing of natural gas are:

  a. Exploration and Production: This involves locating and extracting natural gas reserves from the earth.

  b. Gathering and Transportation: Natural gas is collected from multiple wells and transported via pipelines or liquefied natural gas (LNG) carriers to processing plants or distribution points.

  c. Processing and Treatment: Natural gas goes through various processes to remove impurities, such as water, sulfur compounds, and other contaminants.

  d. Storage: Natural gas may be stored in underground facilities or LNG tanks for later use or transportation.

  e. Distribution and Utilization: Natural gas is distributed through pipelines to residential, commercial, and industrial consumers for various applications such as heating, cooking, and electricity generation.

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Define the following: 1. Law of corresponding states. (2 marks) 2. Under what conditions the real gas may behave as an ideal gas. (2 marks) 3. Please explain qualitatively, the difference between the saturation envelope of the following mixtures: (4 marks) a. Methane and ethane, where methane is 10% and ethane is 90%. b. Ethane and pentane, where ethane is 50% and pentane is 50%. 4. List down the five main processes during the processing of natural gas. (2 marks)

ANSWER

A. 100 Hz

EXPLANATION

Given:

• The velocity of the wave, v = 300 m/s

• The wavelength, λ = 3 m

Find:

• The wave's frequency, f

The frequency of a wave with a wavelength λ and a velocity v is,

Replace the known values and solve,

Hence, the frequency of the wave is 100 Hz.

Answer: C

Explanation:

Answer:

F(m)= mg(m)

m=F(m)/g(m)=72/1.6=45kg

F(e)= mg(e)= 45 x 10 m/s= 450N

Answer :

556.59 m/s.

Explanation:

Given that,

An airplane is traveling at an altitude of 15,490 meters.

A  box of supplies is dropped from its cargo hold. We need to find the velocity of cargo when it hits the ground.

The initial velocity of the box is 0 as it as at rest. Let v is the velocity of cargo when it hits the ground. We can find it using third equation of motion as follows :

\(v^2-u^2=2as\)

Put u = 0 and a = g

\(v^2=2gs\\\\v=\sqrt{2gs} \\\\v=\sqrt{2\times 10\times 15490 } \\\\v=556.59\ m/s\)

So, when it hits the ground its velocity is 556.59 m/s.

Explanation:

you should first find the proportionality constant or the spring constant(as we see it as a spring).the find the value of x so that the force is 3N

Answer:

Used for measuring the distance traveled by a vehicle, such as a bicycle or car.

Explanation:

Answer:

it measures distance travelled by the vehicle

When the large forces are 12 N and the small forces are 4n then the total net force is  16 newtons.

The net force is the resultant of all the forces; it is the result of adding all the forces together the greater the net force acting on the object, the greater its acceleration will be. Newton's second law of motion summarizes these relationships. The equation for net force can be written as

Net Force = F1 + F2 + F3…. + FN.

The net force is zero Newtons. All the separate forces balance with each other. Suppose you and your friends A and B are together pushing the cupboard from the same direction. Force applied by you is 5N, and your friend's A and B apply the force of 6N and 5N, respectively so the total force will be 11 newtons.

so we can conclude that When the large forces are 12 N and the small forces are 4n then the total net force is  16 newtons.

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Answer:

Salt dissolving

Explanation:

Dis solving salt in water doesn't change it's chemical composition

Answer:

Iron Rusting

6th grade stuff or 5th i think

Explanation:

Answer:

Ionic and covalent bonding produce compounds, while hydrogen bonding and Van der Waals forces join separate molecules together.

Ur welcome:)

Answer:

C) lonic and covalent bonding produce compounds, while hydrogen bonding and Van der Waals forces join separate molecules together.

Explanation: