Why is it important to know the location of active and inactive faults in our country?

No, the two children would not be balanced if the seesaw was brought to the moon. The balance of a seesaw depends on the gravitational force acting on each side. On Earth, the gravitational force is relatively uniform, and the children can balance by adjusting their positions on the seesaw.

However, on the moon, the gravitational force is much weaker compared to Earth. The moon's gravity is only about 1/6th of Earth's gravity. This means that the child on the side facing the moon would experience a significantly weaker gravitational force compared to the child on the opposite side. As a result, the seesaw would not be balanced, and one child would be more elevated than the other.
To achieve balance on the moon, the children would need to adjust their positions and redistribute their weights accordingly to compensate for the reduced gravitational force.

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Answer:

The tension in the rope is 10 N

Explanation:

The Force Vector

Like all vectors, the force has a magnitude and direction. Vectors can be decomposed into two perpendicular components on both axes.

The tension in the rope (F) can be calculated by using vector decomposition as follows.

The figure included below shows a force F which horizontal component is known to have a value of Fx= 5 Nw. The angle formed by the force and its horizontal component is 60°.

We can use the trigonometric ratio called the cosine to find the magnitude of F as follows:

\(\displaystyle \cos 60^\circ = \frac{5}{F}\)

Solving for F:

\(\displaystyle F = \frac{5}{\cos 60^\circ}\)

\(\displaystyle F = \frac{5}{\frac{1}{2}}\)

Thus, F = 10 N

The tension in the rope is 10 N

Answer:

A or D i put a

Explanation:

Answer:  Its Either Mario or Tonya measured the mass of the rock incorrectly on the pan balance.

Explanation: ...

Answer:

Horsehair, cotton, or linen

Explanation:

The statement is True.

Weight lifting is an example of anaerobic exercise. Anaerobic exercise involves short bursts of intense physical activity that do not require significant amounts of oxygen.

Weight lifting typically involves lifting heavy weights for a short period of time, which requires the muscles to produce energy without oxygen.

During anaerobic exercise, the body relies on stored sources of energy, such as creatine phosphate and glycogen, rather than oxygen, to fuel the muscles.

Therefore, weight lifting is considered an example of anaerobic exercise.

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Answer:v

Both prokaryotic and eukaryotic cells have similar features, like ribosomes, genetic material, a cytoplasm, and plasma membranes. There are two primary types of eukaryotic cells: animal and plant cells.

Explanation:

The energy associated with an infrared photon with a wavelength of 7.93 micrometers (μm) is approximately 2.49 ×  \(10^{-20}\)joules (J).

In order to calculate the energy associated with an infrared photon, we can use the equation E = (hc) ÷ λ, where E represents energy, h is Planck's constant (approximately 6.62607015 × \(10^{-34}\) J·s), c is the speed of light (approximately 299,792,458 m/s), and λ is the wavelength of the photon.

Given that the wavelength is 7.93 μm (7.93 × \(10^{-6}\) m), we can substitute these values into the equation to find the energy:

E = (6.62607015 × \(10^{-34}\) J·s × 299,792,458 m/s) ÷ (7.93 × \(10^{-6}\) m)

Evaluating this expression using a calculator, we find:

E ≈ 2.49 × \(10^{-20}\) J

Therefore, an infrared photon with a wavelength of 7.93 μm is associated with an energy of approximately 2.49 × 10^(-20) joules (J).

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At horizontal angles, relative to the original direction of the waves, will be  1.4597 rad and the intensity will be 1.576 W/m².

A radar antenna is a device that sends out radio waves and listens for their reflections. The ability of an antenna to identify the exact direction in which an item is placed determines its performance.

The horizontal angle for the given condition is;

sinθ∝1

sinθ=(nλ)/a

n∝(λ/a)

\(\rm n = \frac{88.9 \times 10^6 \times 15}{3 \times 10^8 } \\\\ n=4.4454\)

\(\rm n_{max}=4\)

The maximum angle is;

\(\rm \theta_4=\frac{4 \times 3 \times 10^8}{15 \times 88.9 \times 10^6 } \\\\ \rm \theta_4=64.14^0\)

The value of the wavelength is;

\(\rm \lambda= \frac{c}{v} \\\\ \rm \lambda= \frac{3 \times 10^8 }{88.9 \times 10^6} \\\\ \lambda= 3.3745 \ m\)

The value of the intensity is;

\(\rm I= I_{max}[\frac{sin \frac{\beta}{2}}{\frac{\beta}{2}} ]\\\\ \frac{\beta}{2} =\frac{\pi}{4} (a sin\theta)\\\\ \beta=\frac{\pi}{3.3745} (15 sin 6^0)\\\\ \beta=1.4597 \ rad\)

\(\rm I = 3.4[ \frac{sin 1.4597}{1.4597} ]^2\\\\ I=1.576 \ W/m^2\)

Hence,at horizontal angles, relative to the original direction of the waves, will be  1.4597 rad and the intensity will be 1.576 W/m².

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The given assertion 'In a series circuit, the current is constant throughout the electric circuit' is correct but the reason 'All electric devices need equal currents to operate properly' is incorrect.

A circuit is said to be connected in series when the same current flows through all the components in the circuit. The current in these circuits only travels along one route.

A higher total voltage is produced by series-connected cells than by single cells. Voltage increases if the number of cells increases. Series circuits do not overheat easily.

All the electrical devices do not require equal amount of current for their functioning. For example, an electric heater and an electric fan do not require the same amount of current.

In a series combination, if one component fails, all other components stop working.

Series connection is not suitable for domestic circuits.

Therefore, while the assertion is true, the reason is false.

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Answer:

The board did exert an equal and opposite force, but your mass is considerably greater than the mass of the board so all the friction between you and the ground keeps you from accelerating.

If you punched the board while standing on perfectly slippery ice, or in a vacuum, you would accelerate also, but at a much smaller rate than the board due to the mass difference.

If you could ignore all losses (friction, the board breaking, etc.) then all Newton's 3rd Law really is saying is that the center of mass of the system doesn't change when you punch the board. So the board accelerates in the direction of your punch and you move away from it at rates that keep the system center of mass constant.

Explanation:

Answer:

b.fabric

Explanation:

Nowadays, when people talk about space-time, they often describe it as resembling a sheet of rubber. This, too, comes from Einstein, who realized as he developed his theory of general relativity that the force of gravity was due to curves in the fabric of space-time.

Answer:

B. fabric

Explanation:

Answer:

9172.8 N

Explanation:

F = ma

F = (936 kg)(9.8 m/s^2)

F = 9172.8 N

Answer:

The formula for gravitational potential energy (GPE) is: GPE = mgh, where m is the mass of the object in kg, g is the acceleration due to gravity in m/s^2, h is the height of the object in meters.

We have GPE = 67,000J, m = 375kg and h = 115m.

Rearranging the formula we get:

g = GPE / (mh)

Substituting given values into the equation:

g = 67000 J / (375 kg x 9.81 m/s^2 x 115 m)

g ≈ 1.75 m/s^2

Therefore, the acceleration due to gravity on this planet is approximately 1.75 m/s^2.

The time of flight is obtained as 25.9 seconds

The time of flight is the time taken to move the object that have been projected along the parabolic path. In this case, we have a cannonball that have been fired  from level ground with a velocity of 240.0 m/s at an angle of 32 degrees.

We know that from the question

T = 2usinθ/g

T = time of flight

u = initial velocity

θ = angle of projection

g = acceleration

T = 2 * 240.0 m/s * sin 32 degrees/9.8 m/s^2

T = 25.9 seconds

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Hi there!

We know that:

Potential energy = mgh, where:

m = mass

g = acceleration due to gravity

h = height

We know that ΔPE = mgΔh = 1.47 kJ, so:

1.47kJ = mgΔh

Remember to convert kJ to J for simplicity: (1 kJ = 1000J)

1470J = mgΔh

Rearrange to solve for Δh:

1470/mg = Δh

1470/(60 · 9.8) = 2.5m

The answers are A. The period of the wave is 4 × 10⁻⁴ s, B. The frequency is 2500 Hz and C. The wavelength is 6 cm.

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Answer:

A 72 kg object moving 25m/s

Explanation:

Answer:

C. a 72kg object moving 25 m/s

Explanation:

I just did it on A pex

Answer:

Initial velocity = 4 m/s

Explanation:

Acceleration, a = 1.2 m/s²

Final velocity, v = 16 m/s

Initial velocity, u = ?

Time, t = 10 seconds

So, we must use the formula:

v = u + at

Insert all the values into the formula.

16 = u + 1.2 × 10

16 = u + 12

Make 'u' the subject of the equation, and solve to find the value of u.

u = 16 - 12

u = 4 m/s

The type of torque wrench designed for tightening clamping bands on underground pipe is the …No-Hub..

The type of torque wrench designed for tightening clamping bands on underground pipe is the no-hub type

A no-hub type torque wrench is a tool that is generally used for plumbing and pipe installation work.

There are four basic types of torque wrenches: beam or deflection, dial indicator, clicker and digital. Dial type torque wrenches are the most accurate torque wrenches available.

The best torques wrench would be the one that meets the needs in terms of capability.

Plumbing is the set of activities in which modifications, installations, replacements, maintenance or repairs of pipes and accessories related to water drainage are carried out.

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Current ( I ) = charge(Q) * time(t)

(A)     I = 75/1000 * 1*60 = 4.5A

(B)     I =  0.5*10^9 * 2*60*60 = 3.6*10^12 A

(C)     I = 2*10^-6*1000*60*60 =0.55 A

2)   Q = I/t

( A)  Q = 6/5*60 = 0.02 C

( B)   Q = 250*1000/ 4*60*60 = 17.36 C

( C)   Q = 2.5/1000*50 = 5*10^-5 C

3 ) t = I/C

(A)  t =25*1000/ 25*10^-6 = 1*10^9 s

(B)  t = 12/48 = 0.25 s

(C)  t = 4/360 = 0.011 s

4 )

( A) P . d = current * resistance = 10/100 * 4= 0.4V

( B) charge = 10*10^-2/3*60 = 5.55*10^-4 C

What is charge ?

Charge, also known as electric charge, electrical charge, or electrostatic charge and denoted by the symbol q, is a property of a unit of matter that indicates how many more or fewer electrons than protons it contains.

The physical characteristic of matter that causes it to feel a force when exposed to an electromagnetic field is called electric charge. The two types of electric charges that protons and electrons most frequently carry are positive and negative charges.

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Answer:

Ionic bonds are formed between cation and anions . A cation is formed when a metal ion loses valence electron while an anion is formed when a non-metal gains a valence electron.

The unemployment rate in China for 2021 was 4.82%, a 0.18% decline from 2020.

In 2021, the price of registered unemployment in urban areas of China turned approximated at about 3.96 percent. The unemployment price was stick out to remain below four percent in 2022.

Unemployment mentions the percentage of the exertions force that is without work still to be had for and looking for employment. China's unemployment rate for 2020 changed to 5.00%, a 0.48% growth from 2019.

Thus, China's unemployment rate for 2021 was 4.82%, a 0.18% decline from 2020.

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Answer: No

Explanation:

A chemical for formula is combined of atomic that is has a chemical compounds

605.43 kJ of heat must be added to raise the temperature of the aluminum tea kettle and the water inside it from 20.0°C to 86.0°C, assuming no heat is lost to the surroundings.

To calculate the amount of heat required to raise the temperature of the aluminum tea kettle and water, we need to use the specific heat capacity of aluminum and water, as well as the mass and change in temperature.

First, we need to calculate the heat required to raise the temperature of the aluminum tea kettle. The specific heat capacity of aluminum is 0.9 J/g°C. The mass of the tea kettle is 1.55 kg, and the change in temperature is 66°C (86°C - 20°C).

Q1 = m1 * c1 * ΔT1
Q1 = 1.55 kg * 0.9 J/g°C * 66°C
Q1 = 81.54 kJ

Next, we need to calculate the heat required to raise the temperature of the water. The specific heat capacity of water is 4.184 J/g°C. The mass of the water is 1.90 kg, and the change in temperature is also 66°C.

Q2 = m2 * c2 * ΔT2
Q2 = 1.90 kg * 4.184 J/g°C * 66°C
Q2 = 523.89 kJ

Finally, we need to add Q1 and Q2 to find the total amount of heat required.

Total heat required = Q1 + Q2
Total heat required = 81.54 kJ + 523.89 kJ
Total heat required = 605.43 kJ

Therefore, in order to raise the temperature of the aluminum tea kettle and water from 20.0°C to 86.0°C, 605.43 kJ of heat must be added.

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Answer:

D The heart will pump less blood per beat because the blood vessels will have less blood to circulate is the most likely scenario that would occur in a zero gravity chamber.

When in a zero gravity environment, the body experiences a redistribution of fluids, causing the blood to pool in the upper body and head. This shift in fluid balance can lead to a decrease in the amount of blood returning to the heart, resulting in the heart pumping less blood per beat.

This change in cardiovascular function can cause a range of physiological responses, including a decrease in blood pressure and cardiac output, as well as an increase in heart rate. However, feeling energetic or dizzy are not likely to be the primary responses to zero gravity, as they are not directly related to changes in cardiovascular function.

Explanation:

When we are in a gravitational field, such as on Earth, our body experiences a constant force that pulls fluids (including blood) towards our lower body. However, in a zero gravity environment, this force is no longer present, which causes the fluids to shift towards the upper body and head due to the lack of gravity. This can lead to a decrease in the amount of blood returning to the heart, causing the heart to pump less blood per beat.

As a result of this shift in fluid balance, the body may experience changes in cardiovascular function. For example, the decrease in the amount of blood returning to the heart can cause a decrease in cardiac output, which is the amount of blood pumped by the heart per minute. This decrease in cardiac output can cause a decrease in blood pressure, which is the force exerted by blood against the walls of blood vessels.

However, in response to the decrease in cardiac output and blood pressure, the body may try to compensate by increasing the heart rate. The heart rate is the number of times the heart beats per minute, and it can increase in order to maintain blood flow to the body's tissues and organs.

In summary, in a zero gravity chamber, the most likely scenario is that the heart will pump less blood per beat because of the shift in fluid balance. While changes in heart rate and blood pressure may also occur, feeling energetic or dizzy are not necessarily direct physiological responses to these changes.

The friction force ratio between navy blue car and mint green car due to the centripetal force is 10/9.

We need to know about centripetal force to solve this problem. When an object moves in a circular motion, the object is experiencing centripetal force. The magnitude of centripetal force is

Fc = m . v²/R

where Fc is the centripetal force, m is mass, v is velocity and R is the radius.

The friction force is proportional to the centripetal force

From the question, we know that

mblue = 1616 kg

mgreen = 1818 kg

Rblue = 4/5 Rgreen

vblue = vgreen

Find the centripetal force ratio

Fcblue / Fcgreen = (mblue . vblue² / Rblue) / (mgreen . vgreen² / Rgreen)

Fcblue / Fcgreen = (1616 / 4/5 Rgreen ) / (1818 / Rgreen)

Fcblue / Fcgreen = 10 / 9

Hence, the tension in the cord is 32 newton.

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Stopping distance of the car, as measured from the point where the driver first sees the red light, is 43.95 meters We can use distance-time formula.

To calculate the stopping distance of the car, we need to determine the distance traveled during the driver's reaction time and the distance traveled while the car is decelerating.

During the driver's reaction time, the car will continue to move forward at its initial speed of 15.5 m/s. The distance traveled during this time is:

\(d_reaction = v_initial * t_reaction = 15.5 m/s * 0.321 s = 4.98 m\)

After the driver reacts, the car begins to decelerate at a rate of \(6.2 m/s^2\). Use equation:

d =\(v_initial * t + (1/2) * a * t^2\)

where d: distance traveled, v_initial: initial velocity, t: time, a: acceleration, and final velocity = 0 (since car stops).

We need to find the distance traveled during the deceleration period, so we can rearrange the equation to solve for d:

d = \((v_initial^2) / (2a)\)

Put values:

\(d_deceleration = (15.5 m/s)^2 / (2 * -6.2 m/s^2) = 38.97 m\)

Note that we used a negative value for acceleration, since the car is decelerating (slowing down) rather than accelerating (speeding up).

The total stopping distance is the sum of the distance traveled during the driver's reaction time and the distance traveled while decelerating:

\(d_total = d_reaction + d_deceleration = 4.98 m + 38.97 m = 43.95 m\)

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The potential energy of the person mass 95 Kg sitting on top of a slid 3 m high is 2795.85 J

The following data were obtained from the question:

The potential energy of the person can be obtained as follow:

PE = mgh

Inputting the given parameters, we have:

= 95 × 9.81 × 3

= 2795.85 J

Thus, the  potential energy of the person is 2795.85 J

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Answer:The discharge of the stream can be calculated using the formula Q = Av, where Q is the discharge, A is the cross-sectional area of the stream, and v is the velocity of the water.

The cross-sectional area of the stream is A = depth x width = 2m x 8m = 16m^2.

To find the velocity of the water, we can use the formula v = d/t, where d is the distance traveled by the debris and t is the time taken.

Converting the time to seconds, we get t = 10 minutes x 60 seconds/minute = 600 seconds.

Therefore, the velocity of the water is v = 700m / 600s = 1.17m/s.

Plugging in the values for A and v, we get:

Q = Av = 16m^2 x 1.17m/s = 18.72 m^3/s.

Therefore, the  discharge of a stream is 18.72 m^3/s (rounded to the nearest hundredth).

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