2.What is the weight of an object that has a mass of 5 kg?
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"Compression of rock is nothing but squeezing the rock together and shearing is pushing the rock in opposing directions."

It squeezes the boulder as a whole and should cause the pulls to shear. This is because compression causes the weight necessary for rocks to be squeezed. Additionally, the rock's draws shouldn't be spaced apart. It shouldn't be going in opposing ways either.

When rocks are compressed together, they fold, fracture, or even shatter. Compression stress is the most prevalent stress at convergent plate boundaries. There is stress when rocks are being torn apart. Under stress, rocks either lengthen or fragment.

Due to the compression pushing the hanging wall up in relation to the footwall, if the fault arises in a scenario of compression, it will be a reverse fault.

Compressional stresses cause a rock to shorten. A rock elongates or pulls apart as a result of tensional pressures. Shear forces cause rocks to slide past one another.

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The linear speed will be the insect be 0.5759 meter/second carried collision with the near stationary photograph.

Speed is distance travelled by the object per unit time. Due to having no direction and only having magnitude, speed is a scalar quantity With SI unit meter/second.

Given that an insect lands 0.1m from the center of the turn table.

Rotational speed of the turn table = 55 rev/min

= (55×2π/60) rad/second

= 5.759 rad/second.

Hence, the speed of the insect be = Rotational speed × length

= 5.759 rad/second × 0.1 M.

= 0.5759 meter/second.

Therefore, the speed of the insect be 0.5759 meter/second.

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The relative velocity of the car 2 with respect to car 1 is 70 m/s west. So, the correct option is C.

Velocity of the car 1 with respect to the ground, v₁ = 45 m/s west

Velocity of the car 2 with respect to the ground, v₂ = 25 m/s east

Let the direction towards the east be positive and the opposite direction towards the west be negative.

The expression for the relative velocity of the car 2 with respect to car 1 is given by,

v₂₁ = v₂ - v₁

v₂₁ = 25 - (-45)

Therefore, the relative velocity,

v₂₁ = 70 m/s west

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Attaching the image file here.

Correctly ranks the horizontal distances d that the streams of water travel before hitting the surface of the pool is (A) i.e. dA > dB > dC

The horizontal distances that a stream of water travels before hitting the surface of the pool is determined by the height of the water in the reservoir and the height of the pipe above the pool. The higher the water level in the reservoir, the greater the downward force on the water and the greater the horizontal distance that the water will travel. The higher the pipe is above the pool, the less distance the water has to fall and the shorter the horizontal distance that the water will travel. Correct ranking of the horizontal distances d that the streams of water travel before hitting the surface of the pool. Reservoir A has the highest water level, followed by reservoir B, and then reservoir C. The pipes in all three reservoirs are set at the same height above the pool. Therefore, the stream of water from reservoir A will have the greatest downward force and will travel the greatest horizontal distance before hitting the pool. The stream of water from reservoir B will have a lesser downward force and will travel a shorter horizontal distance before hitting the pool. The stream of water from reservoir C will have the least downward force and will travel the shortest horizontal distance before hitting the pool.

Therefore, the correct ranking is (A) dA > dB > dC.

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The dragonfly must generate approximately 4.8 × 10^-4 Joules of energy to spin itself at a rate of 1100 rpm.

Start by converting the rotational speed from rpm (revolutions per minute) to rad/s (radians per second). Since 1 revolution is equal to 2π radians, we can use the conversion factor:

Angular speed (ω) = (1100 rpm) × (2π rad/1 min) × (1 min/60 s)

ω ≈ 115.28 rad/s

The moment of inertia (I) is given as 2.0 × 10^-7 kg⋅m².

Use the formula for rotational kinetic energy:

Rotational Kinetic Energy (KE_rot) = (1/2) I ω²

Substituting the given values:

KE_rot = (1/2) × (2.0 × 10^-7 kg⋅m²) × (115.28 rad/s)²

Calculate the value inside the parentheses:

KE_rot ≈ (1/2) × (2.0 × 10^-7 kg⋅m²) × (13274.28 rad²/s²)

KE_rot ≈ 1.331 × 10^-3 J

Round the result to the proper number of significant figures, which in this case is three, as indicated by the given moment of inertia.

KE_rot ≈ 4.8 × 10^-4 J

Therefore, the dragonfly must generate approximately 4.8 × 10^-4 Joules of energy to spin itself at a rate of 1100 rpm.

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A program that could do an instantaneous analysis of video motion will be useful it in a sportscast to analyze events as they occur.

A motion video is defined as the display of video images at a rate (such as thirty frames per second) that causes objects to appear to move smoothly and continuously.

Sports inherently involve fast and accurate motion, which can be difficult for competitors to master but also for coaches and trainers to analyze and audiences to follow. Because of the nature of most sports, monitoring with sensors or other devices attached to players or equipment is generally not possible. This opens up a plethora of opportunities for the use of computer vision techniques to assist competitors, coaches, and the audience

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The molecule N2Cl2 has the name dinitrogen dichloride and contains a double bond and two single bonds.

The molecule N2Cl2 is dinitrogen dichloride. It is a covalent molecule has a double bond between the two nitrogen atoms and a single bond linking each nitrogen atom to a chlorine atom.

The structure of the molecule is shown in the image attached. Hence, the compound contains a double bond and two single bonds.

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i think

Answer:

physics. The ______ is a systematic way to observe, experiment, and analyze the world. scientific method. The valid digits in a measurement are called the. significant digits.

Explanation:

truth'

This question involves the concept of  Newton's law of gravitation.

The force of gravity between the two spaceships is "1355.78 N".

According to Newton's Law of Gravitation:

\(F=\frac{Gm_1m_2}{r^2}\)

where,

Therefore,

\(F=\frac{(6.67\ x\ 10^{-11}\ N.m^2/kg^2)(500\ kg)(498\ kg)}{(35\ m)^2}\\\\\)

F = 1355.78 N = 1.356 KN

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Two space ships traveling next to each other. The first one is 500 kg and the second one is 498 kg. They are 35 meters apart, the Force of gravity between the two spaceships is 1355.78 N.

It is given that the First spaceship's weight (\(m_{1}\)) is 500 kg,

The second spaceship's weight (\(\rm m_{2}\)) is 498 kg.

The distance between spaceships (r) is 35 meters.

It is required to find the Force of gravity between these spaceships.

It is defined as the force which attracts any two masses in the universe.

By Newton's law of Gravitation:

\(\rm F= \frac{Gm_1m_2}{r^2}\)  , Where

\(\rm F = The\ force \ of \ gravity \ between \ the \ spaceships\\\rm G= Universal\ Gravitational \ Constant = 6.67 \times 10^{-11} N.m^2/kg^2\)

Putting values in the above formula:

\(\rm F = \frac{(6.67\times 10^{-11} N.m^2/kg^2)(500kg)(498kg)}{(35m)^2}\)

F = 1355.78 N = 1.356  KN

Thus, Two spaceships travel next to each other. The first one is 500 kg and the second one is 498 kg. They are 35 meters apart, the Force of gravity between the two spaceships is 1355.78 N.

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Answer: a

Explanation:

From the calculation, the normal force is 6161.2 N.

The normal force is given by the expression;

N - mg = ma

Then;

N = mg + ma

m = 84.4 kg

g = 9.8 m/s^2

a = 63.2 m/s2

Now we have;

N = m(g + a)

N = 84.4 (9.8 + 63.2)

N = 6161.2 N

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Yes, it is possible to convert wasted heat into useful energy. This process is called thermoelectric conversion and it is based on the Seebeck effect.

Thermoelectricity is the production of electricity from temperature differences. It is a direct energy conversion process, which converts thermal energy directly into electrical energy.

In this process, a temperature difference between two materials (usually semiconductors) is used to generate a flow of electric current. By using an array of these materials, it is possible to convert wasted heat into electricity. This process is already being used in several industries, such as the automotive and aerospace industry, to convert heat from engines into electricity. Additionally, it is also being used in power plants to convert heat from the exhaust gases into usable electricity.

The advantages of thermoelectric conversion are that it is relatively simple and is not affected by environmental conditions. Furthermore, it is an environmentally friendly technology as it does not produce any emissions and can help reduce energy wastage.

However, the main disadvantage of thermoelectric conversion is its low efficiency. This is because a large amount of energy is needed to generate a small amount of electricity. As such, thermoelectric conversion is not suitable for large-scale electricity generation.

Overall, thermoelectric conversion is a viable solution for converting wasted heat into usable energy. It is a relatively simple technology that has low environmental impact and can help reduce energy wastage. However, its low efficiency means that it is not suitable for large-scale electricity generation.

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Answer:

yes there will be change in its density

You could purchase a fitness tracker to help your performance in your current physical activity.

Fitness tracker would help you in the area of goal setting.

Fitness trackers are effective because they have helped my friends to improve workout routine.

Wearable fitness trackers can monitor data like heart rate, number of steps taken, distance traveled, and number of calories burned.

Supplements including protein powders, creatine, and beta-alanine can enhance recovery, muscular growth, and endurance.

Working with a coach or personal trainer can help you attain your fitness objectives by offering personalized training regimens, comments on form and technique, and accountability.

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Answer:

a) The force of static friction the road can apply before the car starts to move is 8826.3 newtons.

b) The maximum speed that a car can travel before it would start to slide is approximately 34.305 meters per second.

Explanation:

a) Let suppose that the car is on a horizontal ground and travels at constant speed. The vehicle experiments a centripetal acceleration due to friction, which can be seen in the Free Body Diagram (please see image attached for further details). By Newton's Laws, we construct the following equations of equilibrium:

\(\Sigma F_{x} = \mu_{s}\cdot N = m\cdot \frac{v^{2}}{R}\) (1)

\(\Sigma F_{y} = N -m\cdot g = 0\) (2)

Where:

\(\mu_{s}\) - Static coefficient of friction, dimensionless.

\(N\) - Normal force from ground to the car, measured in newtons.

\(v\) - Maximum speed of the car, measured in meters per second.

\(R\) - Radius of the circular track, measured in meters.

\(m\) - Mass, measured in kilograms.

\(g\) - Gravitational acceleration, measured in meters per square second.

By applying (2) in (1):

\(\mu_{s}\cdot m\cdot g = m\cdot \frac{v^{2}}{R}\) (3)

The force of static friction the road can apply in the car (\(f\)), measured in newtons, is: (\(\mu_{s} = 0.6\), \(m = 1500\,kg\), \(g = 9.807\,\frac{m}{s^{2}}\))

\(f = \mu_{s}\cdot m \cdot g\)

\(f = (0.6)\cdot (1500\,kg)\cdot \left(9.807\,\frac{m}{s^{2}} \right)\)

\(f = 8826.3\,N\)

The force of static friction the road can apply before the car starts to move is 8826.3 newtons.

b) Then, we calculate the maximum speed of the car by (3):

\(\mu_{s}\cdot m\cdot g = m\cdot \frac{v^{2}}{R}\)

\(\mu_{s}\cdot g = \frac{v^{2}}{R}\)

\(v = \sqrt{\mu_{s}\cdot g\cdot R}\)

If we know that \(\mu_{s} = 0.6\), \(g = 9.807\,\frac{m}{s^{2}}\) and \(R = 200\,m\), then the maximum speed of the car can travel before it would start to slide is:

\(v =\sqrt{(0.6)\cdot \left(9.807\,\frac{m}{s^{2}} \right)\cdot (200\,m)}\)

\(v \approx 34.305\,\frac{m}{s}\)

The maximum speed that a car can travel before it would start to slide is approximately 34.305 meters per second.

There is likely to be eutrophication in the water

There are less turbid substances deposited in the water within the time.

The decrease of water grasses means the primary productivity reduced.

An increase in nitrogen and phosphorus content in Chesapeake Bay can have significant environmental impacts. Chesapeake Bay is an estuary that is highly sensitive to nutrient pollution, which can cause the growth of harmful algal blooms and oxygen depletion in the water.

When excess nitrogen and phosphorus from fertilizers, animal waste, and sewage enter the Bay, they can cause an overgrowth of algae. As these algae die and decompose, they consume oxygen in the water, leading to low oxygen conditions known as "hypoxia" or "dead zones". This can harm fish, shellfish, and other aquatic life, and can also have economic impacts on the fishing and tourism industries.

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Answer:

\(Q_net=534.67\frac{w}{m}\)

Explanation:

From the question we are told that:

Steam line diameter \(D=89mm \approx 0.089m\)

Surface emissivity \(\mu=0.8\)

Steam temp \(T_s=200\textdegree C \approx 200+273=473k\)

Surrounding temp \(T_a=20 \textdegree C \aprrox 20+273= 293k\)

Generally the equation for heat loss per unit length due to radiation \(Q_{net}\) is mathematically given by

\(Q_net=\sigma*\mu>(\pi *d)*(T_s^4-T_a^4)\)

\(Q_net=5.6*10^8*0.8*(\pi *0.089)*(473^4-293^4)\)

\(Q_net=534.67\frac{w}{m}\)

Answer:

 x_total = 4.29m

Explanation:

To solve this exercise we must work in parts. Let's use the law of refraction to find the angle of the refracted ray and trigonometry to find the distances.

Let's start by looking for the angles that the laser refracts

        n₁ sin θ₁ = n₂ sin θ₂

where n₁ is the air refraction compensation n₁ = 1, n₂ the water refractive index n₂ = 1,333

        θ₂ = sin⁻¹ (n₁  sin θ₁/n₂)

        θ₂ = sin⁻¹ (1 sin 27 / 1,333)

        θ₂ = sin⁻¹ 0.34057

        θ₂ = 19.9º

now let's find the distance from the edge of the pool to the point where the ₂lightning strikes the water

               tan θ₁ = y₁ / x₁

               x₁ = y₁ / tan θ₁

               x₁ = 1.49 / tan 27

               x₁ = 2,924 m

Now let's look for the waterfall in the water as far as Robin

             tan θ₂₂ = y₂ / x₂

             x₂ = y₂ / tan θ₂

             x₂ = 3.77 / tan 19.9

             x₂ = 1,364

the distance from the edge of the pool to Robin is

              x_total = x₁ + x₂

              x_total = 2,924 + 1,364

              x_total = 4.29m

The spring constant, symbolized k, is a proportionality constant that shows the relationship between the force applied to a spring and the amount of stretch or compression it undergoes in response.

In simple terms, the spring constant relates the force that is required to extend or compress a spring by a certain distance.

This is what is known as Hooke's Law, named after the scientist Robert Hooke.

According to Hooke's Law, the force required to compress or stretch a spring is directly proportional to the distance that the spring has been compressed or stretched.

Hooke's law can be expressed mathematically as: F = -kx, where F is the force being applied to the spring, x is the distance the spring is stretched or compressed from its equilibrium position, and k is the spring constant.

The negative sign in the equation indicates that the direction of the force is opposite to the direction of displacement of the spring.

The units of the spring constant depend on the units of the force and displacement used in the equation.

In SI units, the spring constant is measured in Newtons per meter (N/m).

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It would take approximately 546 days for the decay rate of the sample of this radioactive isotope to fall to 0.58 of its initial rate.

1. The decay rate of a radioactive isotope is proportional to the number of radioactive atoms present in the sample at any given time.

2. The decay rate can be expressed as a function of time using the formula: R(t) = R₀ * \(e^{(-\lambda t\)), where R(t) is the decay rate at time t, R₀ is the initial decay rate, λ is the decay constant, and e is the base of the natural logarithm.

3. The half-life of a radioactive isotope is the time it takes for half of the radioactive atoms in a sample to decay. In this case, the half-life is given as 210 days.

4. Using the half-life, we can find the decay constant (λ) using the formula: λ = ln(2) / T₁/₂, where ln(2) is the natural logarithm of 2 and T₁/₂ is the half-life.

5. Substituting the given half-life into the formula, we have: λ = ln(2) / 210.

6. Now, we need to find the time it takes for the decay rate to fall to 0.58 of its initial rate. Let's call this time "t".

7. Using the formula for the decay rate, we can write: 0.58 * R₀ = R₀ * e^(-λt).

8. Simplifying the equation, we get: 0.58 = \(e^{(-\lambda t\)).

9. Taking the natural logarithm of both sides, we have: ln(0.58) = -λt.

10. Substituting the value of λ from step 5, we get: ln(0.58) = -(ln(2) / 210) * t.

11. Solving for t, we have: t = (ln(0.58) * 210) / ln(2).

12. Evaluating the expression, we find: t ≈ 546.

13. Therefore, it would take approximately 546 days for the decay rate of the sample of this radioactive isotope to fall to 0.58 of its initial rate.

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Answer:

       y =\(\frac{1.22L}{D}\) \(\sqrt{\frac{h^2 m}{2eV} }\)

Explanation:

Let's solve this exercise in parts. Let's start by finding the wavelength of the electrons accelerated to v = 10 103 V, let's use the DeBroglie relation

             λ= \(\frac{h}{p} = \frac{h}{mv}\)

Let's use conservation of energy for speed

starting point

             Em₀ = U = e V

final point

             Em_f = K = ½ m v²

             Em₀ = Em_f

             eV = ½ m v²

             v =\(\sqrt{\frac{2eV}{m} }\)

we substitute

             λ=  \(\sqrt{ \frac{h^2 m}{2eV}}\)

the diffraction phenomenon determines the minimum resolution, for this we find the first zero of the spectrum

            a sin θ = m λ

first zero occurs at m = 1, also these experiments are performed at very small angles

            sin θ = θ

            θ = λ / a

This expression is valid for linear slits, in the microscope the slits are circular, when solving the polar coordinates we obtain

           θ = 1.22 λ / D

where D is the diameter of the opening

we substitute

          θ = \(\frac{1.22}{D}\)   \sqrt{ \frac{h^2 m}{2eV}}  

this is the minimum angle that can be seen, if the distance is desired suppose that the distance of the microscope is L, as the angles are measured in radians

            θ = y / L

when substituting

where y is the minimum distance that can be resolved for this acceleration voltage

            y =\(\frac{1.22L}{D}\) \(\sqrt{\frac{h^2 m}{2eV} }\)

The two fields were physical quantities are used in motion calculations are length and mass with time.

The physical quantity in a field is referred as every point in a particular space time.

 If we consider an object, the physical property of the object is considered as physical quantity and to measure that object is known as units. The Physical quantity can be classified as elemental physical quantity and derived physical quantity. Length, mass, time, etc.. are elemental physical quantity, momentum, density, acceleration, etc... are derived physical quantity. Only for charge and temperature the physical quantity will be less than zero.

Length, mass and time  are the physical quantities used in motion calculations.

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Answer:

See Below

Explanation:

Mass of child = 21 kg

Mass of bicycle = 5.9 kg

Total mass = 22 + 5.9 = 27.9 kg

Velocity = 4.5 m/s

1) Total momentum of the child and the bike together

= Total mass * Velocity

= 27.9*4.5

= 125.55 kg m per second

2) Momentum of the child

= Mass of child*Velocity

= 21*5.9

= 123.9 kg m per second

3) Momentum of the bike

= Mass of bike*Velocity

= 5.9*4.5

= 26.55 kg m per second

The farmer uses this technique to protect the produce from freezing because as the water in the tubs begins to freeze, it releases heat. This heat can help to keep the surrounding air in the shed above freezing, protecting the produce from freezing as well. Additionally, as the water in the tubs freezes, it releases latent heat of fusion, which is the energy required to change a substance from a solid to a liquid. This energy is also released in the form of heat, further helping to keep the produce from freezing.

Answer:   the acceleration of the masses is given by = 0, which means the angular acceleration of the pulley is zero. This implies that the masses m and 2m move with constant velocity,  they are in equilibrium.

Answer:

Like a personal trainer? Personal trainers don't do a lot of physical activity, they mostly warm up their clients and tell them what kind of workouts to do. But their are also coaches, and they don't do much either. So you're not benefiting much out of that.  

Explanation:

Answer:

Yes

Explanation:

acceleration is a change in velocity, so an object might be momentarily at rest but a split-second later have some speed, i.e. it can be changing its velocity even if it is momentarily at rest.

Answer:

\(q = -461532.5 \ C\)

Explanation:

From the question we are told that

     The  electric filed is  \(E = 102 \ N/C\)  

Generally according to Gauss law

=>   \(E A = \frac{q}{\epsilon_o }\)

Given that  the electric field is pointing downward  , the equation become

    \(- E A = \frac{q}{\epsilon_o }\)

Here   \(q\) is the excess charge on the surface of the earth

          \(A\) is the surface  area of the of the earth which is mathematically represented as

     \(A = 4\pi r^2\)

Where r is the radius of the earth which has a value \(r = 6.3781*10^6 m\)

 substituting values

    \(A = 4 * 3.142 * (6.3781*10^6 \ m)^2\)

    \(A =5.1128 *10^{14} \ m^2\)

So

   \(q = -E * A * \epsilon _o\)

Here \(\epsilon_o\) s the permitivity of free space with value

          \(\epsilon_o = 8.85*10^{-12} \ m^{-3} \cdot kg^{-1}\cdot s^4 \cdot A^2\)

substituting values

     \(q = -102 * 5.1128 *10^{14} * 8.85 *10^{-12}\)

     \(q = -461532.5 \ C\)

Answer:

Kantians would say that Sharkeisha acted immorally since she increased overall pain.