________ will prevent mass wasting by decreasing the driving force.

Explanation:

Density = mass / volume

ρ = (500 g) / (8.0 cm × 6.0 cm × 5.0 cm)

ρ = 2.1 g/cm³

The volume of the block the product of its dimensions that is  240 cm³. Then density of the block weighing 500 g is 2.08 g/ cm³.

Density of a substance is the measure of its mass per unit volume. It describes how closely its particles are packed within a given volume. It is the ratio of mass to the volume.

Volume of an object is the space occupied by the object. For a rectangle block, volume is the product of length, width and height.

Given, l = 8 cm

width = 6 cm

h = 5 cm

volume =  l w h = 6 cm × 5 cm × 8 cm  = 240 cm³

Mass of the block = 500 g

density = mass/ volume

d = 500 g/240 cm³

   =  2.08 g/cm³

Therefore, the density of rectangular block is 2.08 g/cm³.

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To calculate the new angular velocity, we need to know the initial angular velocity (ω₁) and the initial angle (θ₁).

According to the question,

the new angle (θ₂) is half of the initial angle, so θ₂ = 0.5θ₁. The angular displacement formula is Δθ = θ₂ - θ₁.

To find the new angular velocity (ω₂), we can use the relationship between angular displacement and angular velocity: Δθ = ω₂Δt - ω₁Δt, where Δt is the time duration.
Since Δθ = 0.5θ₁ - θ₁ = -0.5θ₁, the formula becomes -0.5θ₁ = ω₂Δt - ω₁Δt. We can rearrange the equation to solve for ω₂: ω₂ = ω₁ - 0.5θ₁/Δt.

.
Hence,  To find the new angular velocity of the yoyo, we need to know the initial angular velocity (ω₁), initial angle (θ₁), and the time duration (Δt). Then, we can use the formula ω₂ = ω₁ - 0.5θ₁/Δt.

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A type of identity that is almost impossible to achieve during adolescence is vocational identity.

This is because adolescents are still exploring their interests and abilities, and they may not have had enough exposure to different career options to make a confident decision about their future.

In addition, adolescents are often going through a lot of changes, both physically and emotionally. This can make it difficult to focus on the future and to make long-term plans. As a result, many adolescents end up changing their minds about their career goals several times before they finally settle on something.

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The mass flow rate of water is 0.087 Kg/s.

Contact tube diameter means no pressure head drop.

P=C heating done at P=C.

MC(T₁ - T₂) = Q = W

M × 1.015 (360-315) = 4000

M = 4000 / 1.015 × \(10^{3}\) × 45

M = 0.087 Kg/s

Pressure is defined due to the fact the pressure of all the gasoline particle/wall collisions divided thru the vicinity of the wall: All gases exert strain ; it's far one of the important measurable portions of this phase of depend.

From the weather to air tour, strain performs a dramatic position in our lives. It plays especially vital roles at some point of chemical reactions. through manipulating stress, chemists can pressure chemical reactions to occur and the transitions among solids, beverages, and gases to boost up.

The primary unit of pressure is the pascal, described because the stress exerted with the useful resource of a pressure of one newton perpendicularly upon a place of one square meter.

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Answer:

There is no force in space.

Explanation:

Weight is the gravitational force acting on the mass as in space there is no gravity so weight appeares as zero

Answer:

It is because of gravity that your weight of a certain mass becomes zero in space.

Explanation:

power phase

Power Training focusses on overcoming resistance but also focusses on the ability to overcome the resistance in the shortest period of time. Simply put, Power = Force x Velocity, which means power can be improved by increasing force or velocity, or using a mixed-methods approach.

Answer:

200,000 and 20,000,000

Explanation:

Substituting the values into the equation of momentum, we get that the momentum is p = mv = 20,000*10 = 200,000. Using the equation provided to solve for the force the truck experienced, we find: 20,000*10/0.01 = 20,000,000.

I hope this helps!

Answer:

The difference between observations and inferences is observations uses one or more of your five senses to know or determine something. However, inferences are where you make an explanation for the observation. For example, you see steam rising off a coffee cup ( this is an observation). The coffee is hot ( this is an inference).

Answer:

same

Explanation:

They both have the same volume....so they both displace an equal amount of water and thus experience the same buoyancy force

Answer:

The velocity component in south direction is 42.42 miles/hour and in west direction is 42.42 miles/hour.

Explanation:

Given that,

Speed = 60 miles/hour

Direction = south west

Let the south in y axis and west in x axis.

Angle between x and y will be θ.

The component of speed is \(V_{x}\) of x axis and  \(V_{y}\) of y axis.

\(\vect{V}=\vec{V_{x}i}+\vec{V_{y}j}\)

Where,

\(V_{x}=|\vec{V}|\cos\theta\)...(I)

\(V_{y}=|\vec{V}|\sin\theta\)....(II)

We know that,

The south west direction makes 45° with west direction in x axis.

(a). We need to calculate the velocity component in south direction

Using equation (I)

\(V_{x}=|\vec{V}|\cos\theta\)

Put the value into the formula

\(V_{x}=60\times\cos45\)

\(V_{x}=42.42\ miles/hour\)

(b). We need to calculate the velocity component in west direction

Using equation (II)

\(V_{x}=|\vec{V}|\sin\theta\)

Put the value into the formula

\(V_{x}=60\times\sin45\)

\(V_{x}=42.42\ miles/hour\)

Hence, The velocity component in south direction is 42.42 miles/hour and in west direction is 42.42 miles/hour.

Answer:

The lungs are lateral to the heart.

Explanation:

Answer:

lateral

Explanation:

A superconducting solenoid is to be designed to generate a magnetic field of 5.00 T. If the solenoid winding has 1000 turns/m, the required current will be 13,122 A (amperes)The magnetic field (B) within the solenoid is given by,B = μ0nIμ0 = 4π × 10-7 T m/A

(permeability of free space)n = number of turns per unit length I = current Substituting the given values,5 = 4π × 10-7 × 1000 × I5 = 1.256 × 10-3 I.I = 5/(1.256 × 10-3)I = 3.981 × 103 AI = 3981 A (amperes)As the solenoid is superconducting, there is no energy loss due to resistance, hence it can carry the above current.

The magnetic field within a solenoid is given by B = μ0nI, whereμ0 = 4π × 10-7 T m/A (permeability of free space)n = number of turns per unit length I = current Substituting the given values,5 = 4π × 10-7 × 1000 × I5 = 1.256 × 10-3 I.I = 5/(1.256 × 10-3)I = 3.981 × 103 AI = 3981 A (amperes)As the solenoid is superconducting, there is no energy loss due to resistance, hence it can carry the above current.

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Answer:

Not acted upon there is no motion

Forces acted upon there is motion

You can refer to the definition stated below:

Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This is normally taken as the definition of inertia. ... If that velocity is zero, then the object remains at rest.

Answer:

Kinetic energy

Mechanical Energy is possed by an object due to its change in motion or position. In more generalized, a moving car possess a kinetic energy.

Answer:

A.

Explanation:

The wavelength of the wave is 23.55 rad/s.

What is a wavelength simple definition?

Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire.

Distance b/w one crest and one trough is  λ/2 and b/w two crests or two trough it is  λ.

Therefore from 2nd crest to 6th trough the total distance

                   = 4 λ +  λ /2 => 9 λ/2

that is given as:

9 λ/2 = 24 cm

λ= 16/3 cm

V = w/k => w × λ /2pi => w = 2 × 3.14 × 20 × 3/16 => 23.55 rad/s

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The relativistic momentum p of this electron must be p = eBr.

The energy of the electron increase by E = (B₀ec + btec)t.

Based on the information provided about this electron, it is moving in a circular orbit of radius (r) in a large region of uniform magnetic field B with a speed that is comparable to the speed of light. Therefore, we can logically deduce that it would experience a centripetal force (Fc) and magnetic force (Fm);

\(F_c = F_m\frac{mv^2}{r} =evB\)

Where:

By rearranging the variables, we have:

mv = eBr

Mathematically, the relativistic momentum (p) of an electron is modeled by this equation;

p = γm₀v

Where:

Note: Relativistic factor, \(\gamma =\frac{1}{\sqrt{1-\frac{v^2}{c^2} } }\)

Since the mass of the electron and the electron's mass at rest would cancel out, the relativistic momentum (p) of an electron becomes;

p = mv = eBr

Relativistic momentum, p = eBr.

Assuming that an orbit the radius doesn't change very much, the energy of the electron is given by;

E = pc

Where:

E = eBrc

E erc(B₀ + bt)

E = B₀erc + bterc

E = (B₀ec + btec)t

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The root elements of a mechanical system.

Following is the basic element of any mechanical system:

1. The mass

2. The Spring

3. Shock absorber

4. Damper

The study of movement in mechanical systems corresponds to the analysis of dynamic systems.

In Robotics, for example, the word ahead Dynamic refers to what happens to actuators when we apply certain forces and torques to them.

The mass, the spring and the damper are basic actuators of the mechanical systems.

Consequently, to control the robot it is necessary to know very well the nature of the movement of a mass-spring-damper system.

In addition, this elementary system is presented in many fields of application, hence the importance of its analysis.

also, in robotics, when we talk about Inverse Dynamic, we talk about how to make the robot move in a desired way, what forces and torques we must apply on the actuators so that our robot moves in a particular way.

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Answer: The force of gravity

One of the best ways to protect yourself from excessive exposure to radiation is to avoid unnecessary exposure. If possible, avoid getting X-rays or other types of radiation when they are not medically necessary. However, if you do need to get an X-ray, make sure it is done by a licensed professional who will take the necessary precautions to limit your exposure.

Radiation can be harmful to the human body, and exposure to excessive radiation can lead to serious health problems such as cancer and radiation sickness. Therefore, it is essential to protect yourself from excessive exposure to radiation.

Finally, increasing your distance from the source of radiation can also help protect you from excessive exposure. The further away you are from the source of radiation, the less exposure you will receive. Therefore, if you work in an environment where you are exposed to radiation, try to keep as much distance between yourself and the source as possible.

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Answer:The amount of current flowing

Explanation:this derives from amperes law of maxwell’s equations. It’s easiest to see in differential form. The curl of the magnetic field is proportional to the current plus the change (time derivative) in electric field

Answer:

USE RUBBER CLOVES

USE A PLIER

USE CONDUCTIVE WIRES

SWITHC OFF THE MAIN SWITCH WHILE WIRRING

Explanation:

Answer:

Explanation:

A simple pendulum consists of a mass (usually represented as a small object or bob) attached to a string or rod of negligible mass. The mass is free to swing back and forth under the influence of gravity.

In the figure, the point of suspension is denoted by "O," and the mass (bob) is represented by the small circle. The string or rod is represented by the vertical line connecting the point of suspension to the bob.

Amplitude:

The amplitude of a pendulum refers to the maximum displacement or swing of the bob from its equilibrium position. In the figure, the amplitude can be represented by the angle formed between the vertical position and the position of the bob when it swings to its maximum distance on one side. It is usually denoted by the symbol "A."

Effective Length:

The effective length of a pendulum refers to the distance from the point of suspension to the center of mass of the bob. It represents the distance over which the mass swings back and forth. In the figure, the effective length can be measured as the length of the string or rod from the point of suspension to the center of the bob. It is usually denoted by the symbol "L."

It is important to note that the amplitude and effective length of a simple pendulum affect its period of oscillation (the time taken for one complete swing). The relationship between these parameters and the period can be described by mathematical formulas.

Overall, the simple pendulum is a fundamental concept in physics and provides a simplified model for understanding oscillatory motion and the principles of periodic motion.

when this combination of capacitors is attached to a 9.00 V battery, 45.0 μC of charge will be stored on the plates.

To determine how much charge will be stored on the plates of the capacitors in the image, we need to use the formula Q = CV, where Q is the charge stored on the plates, C is the capacitance of the capacitor, and V is the voltage across the plates.
We can start by finding the total capacitance of the combination of capacitors. The two capacitors in the image are in parallel, so their capacitances add together:
C_total = C1 + C2 = 3.00 μF + 2.00 μF = 5.00 μF
Next, we can use Ohm's Law to find the current (I) flowing from the battery:
I = V/R = 9.00 V / 20.0 Ω = 0.450 A
Finally, we can use the formula Q = CV to find the charge stored on the plates:
Q = C_total * V = 5.00 μF * 9.00 V = 45.0 μC

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There's a problem with the question as given. Even with a maximum projection angle of θ = 90°, the initial velocity is not large enough to get the ball up in the air 160 m. With angle 90°, the ball's height y at time t would be

y = (40 m/s) t - 1/2 g t ²

Set y = 160 m, and you'll find that there is no (real) solution for t, so the ball never attains the given maximum height.

From another perspective: recall that

v ² - v₀² = 2a ∆y

where

• v₀ = initial velocity

• v = final velocity

• a = acceleration

• ∆y = displacement

At its maximum height, the ball has zero vertical velocity, and ∆y = maximum height = 160 m. The ball is in free fall once it's launched, so a = -g.

So we have

0² - (40 m/s)² = -2g (160 m)

but this reduces to

(40 m/s)² = 2 (9.8 m/s²) (160 m)

1600 m²/s² ≠ 3136 m²/s²

Dennis, 60 feet in 0.5 seconds is the average speed of a pitcher's fastball. So, the correct option is (A).

Average speed is defined as the total distance covered by the object in a particular time interval. Average speed is a scalar quantity which is represented by the magnitude and not the direction.

The formula for average speed is found by calculating the ratio of the total distance traveled by the body to the time taken to cover that distance which is expressed as:

Average speed= Total distance travelled/ Time taken

The unit of the average speed is meter/second.

In the above given information, the pitcher's fastball average speed of Dennis is 120

Thus, Dennis, 60 feet in 0.5 seconds is the average speed of a pitcher's fastball. So, the correct option is (A).

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Answer:

Key Takeaways: Metallic Character​​ These properties include metallic luster, formation of cations, high electrical and thermal conductivity, and ...

Explanation:

The atoms with the strongest metallic properties on the periodic table are found in upper left corner of periodic table. The correct option is A.

The upper left corner of the periodic table is typically where one can find the atoms with the strongest metallic properties. Alkali metals and alkaline earth metals which are renowned for their high electrical conductivity, luster and malleability are found in this region. These elements are easy to lose and easily form positive ions because they have few valence electrons in their outermost energy levels.

Due to growing atomic size and declining electronegativity, metallic properties tend to become more noticeable as you move down and to the left in this region. On the other hand nonmetals and metalloids with stronger nonmetallic properties such as high electronegativity and poor electrical conductivity make up the lower right region.

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Explanation:

TRUE - Two colliding objects will exert equal forces upon each other. If the objects have different masses, then these equal forces will produce different accelerations. ... FALSE - In any collision, the colliding objects exert equal and opposite forces upon each other as the result of the collision interaction.

Explanation:

since oil needs more boiling time and a higher boiling temperature the oil would have to be in the pot longer than the water if it needs to be boiled longer that is why the blue line for oil temp. is significantly higher than that of the water temp.