How does the population growth in Namibia affect the quality of life?

Answer:

Fetus

Explanation:

the outsiders I got nuggets out of the elder and I get to make it in and I got I got

Answer:

15 μF

Explanation:

If two capacitors are in parallel, the equivalent capacitance is equal to the sum of the capacitances, so for the first two capacitors, we get:

C = 10 μF + 20 μF

C = 30 μF

Then, this capacitor C is in series with another capacitor of 30μF. For capacitor in series, we can find the equivalent as follows

Therefore, the answer is 15μF

The pressure as a function of the distance from the surface is 101325 + 10055.25h

One must go h = 10.1 m down before the pressure is 1 atm greater than the pressure at the surface.

In order to determine absolute pressure, a complete vacuum is used. In contrast, gauge pressure is the amount of pressure that is measured in relation to atmospheric pressure, also referred to as barometric pressure. The average barometric pressure at sea level is 14.7 PSIA, while the absolute pressure of a complete vacuum is 0 PSIA.

The pressure at sea level =  1 atm = 101325 Pa

Density of sea water = 1025 kg/ m^(3)

Pressure due to fluid height = pgh

Absolute pressure = 101325 + 1025(9.81) h

= 101325 + 10055.25h

where h= 0 at sea level at increases downward

101325 = 1025(9.81)h

h = 10.1 m

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The complete question is:

"If the water in a lake is everywhere at rest, what is the pressure as a function of distance from the surface? The air above the surface of the water is at standard sea-level atmospheric conditions. How far down must one go before the pressure is 1 atm greater than the pressure at the surface?"

Answer:

it is magma chamber

Explanation:

The equivalent resistance between points A and B in the diagram is 22 Ω

We shall begin by obtaining the equivalent resistance in parallel (i,e the three 6 Ω resistor). Details below:

1/Rₜ = 1/R₁ + 1/R₂ + 1/R₃

1/Rₜ = 1/6 + 1/6 + 1/6

1/Rₜ = 3/6

1/Rₜ = 1/2

Rₜ = 2 Ω

Finally, we shall determine the equivalent resistance between A and B (i.e series arrangement). Details below:

R = R₁ + R₂ + R₃ + R₄ + R₅ + R₆ + R₇ + R₈ + R₉ + R₁₀ + R₁₁

R = 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2

R = 22Ω

Thus, we can conclude that the equivalent resistance is 22 Ω

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Answer:

a)   y = y₀ - 4.9, v = -9.8 m / s, b)  y =y₀ - 19.6,  v = - 19 m / s

c)  y =y₀ - 44.1, v = - 29.4 m / s

Explanation:

To solve this exercise let us use the kinematic relations

          y =y₀ + v₀ t - ½ g t²

          v = v₀ - g t

They indicate that the body is released therefore the initial velocity is zero v₀ = 0

          y = y₀ - ½ g t²

          v = - gt

a) the position and velocity for t = 1s

         y = y₀ - ½ 9.8 12

         y = y₀ - 4.9

         v = - 9.8 1

         v = -9.8 m / s

the negative sign indicates that the velocity is directed downwards

b) t = 2 s

         y =y₀ - ½ 9.8 2 2

         y =y₀ - 19.6

         v = - 9.8 2

         v = - 19 m / s

c) t = 3 s

        y = y₀ - ½ 9.8 3 2

        y =y₀ - 44.1

        v = - 9.8 3

        v = - 29.4 m / s

The capacitive resistance in a 120 nf capacitor used in a standard 120 volt ac circuit with a frequency of 60hz is 26.53 ohms.

Capacitive resistance is a type of impedance that opposes the flow of alternating current in a circuit.

It is calculated using the formula Xc = 1 / (2πfC), where Xc is the capacitive reactance, f is the frequency of the alternating current, and C is the capacitance of the capacitor.
In this case, the capacitance is 120 nf, the frequency is 60hz, and using the formula, we get Xc = 1 / (2π x 60 x 120 x 10^-9) = 26.53 ohms.

Hence, the capacitive resistance in a 120 nf capacitor used in a standard 120 volt ac circuit with a frequency of 60hz is 26.53 ohms, which is calculated using the formula Xc = 1 / (2πfC).

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The kangaroo's horizontal speed will be 9.7 m/s and its departure speed will indeed be 10.65 m/s.

By observing the pace at which this compressed region moves through the medium, we may determine the sound speed. The sound wave travels at a speed of around 343 meters per second in low humidity at 20 degrees Celsius.

The following equation relates the distance to the direction and initial velocity:

d = [v₀²sin2θ]/g, where θ – the angle of the jump.

Thus, v₀² = gd / (sin2θ) = (9.8×8)/0.69 = 113.62

v₀ = 10.65 m/s ( the take off speed).

The horizontal velocity equals:

vₓ = v₀cos 22° = 10.65 m/s × 0.92 = 9.7 m/s

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Answer:

0.466 (3 sig. fig.)

Explanation:

Frictional force acting on the box = 5.00×10^2xsin25

Normal force acting on the box = 5.00×10^2xcos25

coefficient of friction = 0.466 (3 sig. fig.)

To calculate the electric flux across a location, multiply the electric field by the surface area projected in a plane perpendicular to the field. On any closed surface, the universal law known as Gauss's Law is applied.

In the case of a sphere-shaped Gaussian surface with radius r > R, the electric field is directed outward and has the same strength at every point along the surface. Simply multiplying the electric field by the spherical surface's area yields the electric flux.

Electric flux (E) traveling through a surface of vector area S equals: E = ES = EScos if the electric field is uniform is the angle between the electric field lines and the normal (perpendicular to S), S is the area of the surface, and V/m is the magnitude of the electric field.

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Answer: The time, t, is approximately 1.57 seconds

Explanation:

The data we have from the question;

Displacement = 2.0 meters

Acceleration due to gravity on the moon = 1.62

Initial velocity = 0 m/s

We can use the second equation of motion for this one;

S = ut + 1/2at²

Where:

- S is the displacement.

- u is the initial velocity.

- a is the acceleration.

- t is the time measured in seconds.

We are now ready to substitute;

2 = 0(t) + 1/2(1.62)t²

==> 2 = 0 + 0.81t²

==> 2/0.81 = 0.81t²/0.81

==> \(\sqrt{2.47}\) = \(\sqrt{t ^{2}\)

==> The time, t, is approximately 1.57 seconds

Hope this helped! Have a good day :D

moon has a weaker gravitational force than Earth, a greater mass is required for the other ball to have the same weight of 1.5 N on the moon.

Based on the information given, we cannot determine which ball has a greater mass. Weight is affected by both mass and gravity, so a baseball may weigh the same as a different type of ball on the moon due to the weaker gravitational pull.

Therefore, we need additional information about the mass of each ball to compare them accurately.
Based on the information provided, the other type of ball has a greater mass. This is because it weighs 1.5 N on the moon, while the baseball weighs 1.5 N on Earth. Since the moon has a weaker gravitational force than Earth, a greater mass is required for the other ball to have the same weight of 1.5 N on the moon.

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Those who work in computer assistance often have strong problem-solving, communication, and analytical skills as well as a broad knowledge of technology.

An expert worker who services, installs, replaces, and fixes various systems and pieces of equipment is known as a technician. Depending on the situation, a technician spends their days working on a variety of duties like problem analysis, test administration, and equipment repair.

A technician is an employee in the technological industry who possesses the necessary ability and technique as well as a practical comprehension of the theoretical underpinnings.

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The mass of the planet is 2.35 x 10²⁴ kg of radius 3560 km.

The gravitational force of the planet is the force acting on the astronaut that causes her to rise to a height of .57m. When the astronaut jumps upward with an initial speed of 3 m/s, she rises to a height of .57m.

The initial velocity (u) is 3 m/s, the final velocity (v) is 0, the acceleration due to gravity (g) is 9.8 m/s², and the height (h) is .57 m radius 3560 km.

Using the kinematic equation v² = u² + 2gh,

We have;0² = 3² - 2(9.8)(h).0 = 9 - 19.6h.h = 9/19.6.

The gravitational force acting on the astronaut is;

F = ma, where m is the mass of the astronaut and a is the acceleration due to gravity.

Using the formula for acceleration due to gravity, g = Gm/r², where G is the gravitational constant, we can express F as;

F = Gmm / r²;where m is the mass of the planet.

Since F = ma, we can equate them. Gmm / r² = ma.

Gm / r² = a.

Substituting a = g and h = 9/19.6 in the expression for a;

Gm / r² = 9.8 m/s².Mass of the planet is; m = r²g/Gm = (3560 x 10³)² x 9.8 / 6.674 x 10⁻¹¹m = 2.35 x 10²⁴ kg.

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A. The speed of the waves will remain unchanged if the mass is tripled without stretching the wire.

B. The speed of the waves will be halved if the wire is replaced with an identical one, except twice as long. This is because the waves will have to travel twice the distance in the same amount of time.

C. The speed of the waves will remain unchanged if the wire is replaced with one of the same lengths, but two times as heavy.

D. The speed of the waves will be halved if the wire is stretched to thrice its original length. This is because the waves will have to travel thrice the distance in the same amount of time.

E. The speed of the waves will be halved if the mass is increased by a factor of 18.0 and the wire is stretched to double its original length. This is because the waves will have to travel twice the distance in the same amount of time. The speed of the waves will thus be V/2.

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Using the Hubble Space Telescope in orbit to take a photo of Titan. The correct answer is d.

The other options - using instruments on the Huygens spacecraft to take pictures as it was descending, using an infrared camera aboard Cassini to take images of the surface in infrared, using a radar instrument to penetrate the smog in Titan's atmosphere - are all methods by which astronomers have learned about the surface of Titan.

The Hubble Space Telescope, on the other hand, is not capable of taking photographs of the surface of Titan, as it is too far away and its resolution is not high enough to resolve features on the surface of the moon.  The correct answer is d.

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The moon’s orbit is closer to Earth is the event which occurs during high tide.

This occurs once in a month and is the phenomenon in which the moon is

closest to the Earth. This brings about an increase in the tide levels of the

water bodies.

This is the reason why the option B is the most appropriate option as the

moon’s orbit being closer to Earth also signifies a close proximity between

the moon and the earth

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Answer: The answer is: b) The moon’s orbit is closer to Earth.

Explanation: I have my ways :>

Have a great day!

-Sunny

Answer:420ms^-1

Conserving linear momentum (mv)=(MV)

Answer:

Image result for State the general purpose of an experiment, using the terms dependent and independent variable

You can think of independent and dependent variables in terms of cause and effect: an independent variable is the variable you think is the cause, while a dependent variable is the effect. In an experiment, you manipulate the independent variable and measure the outcome in the dependent variable

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A block of mass has constant velocity and is a distance on a smooth inclined plane, which makes an angle θ with the horizontal.

The work done by Earth on the block can be expressed as W = -mgsinθs. This is because the force of gravity is acting in the opposite direction of the displacement of the block, and the component of the force of gravity along the incline is mgsinθ.
If there is friction between the block and the incline, the work done by Earth on the block would be W = -(mgsinθ + f)s, where f is the force of friction. This is because the force of friction is also acting in the opposite direction of the displacement of the block and must be accounted for in the work done by Earth.
If you are pushing the block so that it is speeding up but there is no friction between the block and the incline, the work done by Earth on the block would still be W = -mgsinθs. This is because the force of gravity is still acting in the opposite direction of the displacement of the block, and there is no additional force of friction to account for. However, the work done by you on the block would be positive, since you are pushing the block in the direction of its displacement.

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Answer:A compound is a substance formed when two or more elements are chemically joined.

Explation:Water, salt, and sugar are examples of compounds.

I hope this helps<3

Answer:

1. By streching

2. false

3. building stronger muscles and bones

4. riding your bike

Explanation:

The routine of exercise begins with the usual basic step of stretching the body.

An essential component of a healthy lifestyle is exercise. Exercise can help you cope with stress and prevent health issues while also enhancing energy and strength. It can also help you control your appetite and keep your weight in a healthy range.

Here,

1. The routine of exercise begins with the usual basic step of stretching the body.

2. People don't have to necessarily go to the gym to get exercise, because exercise includes the activities from the basic one to difficult methods. So, you can do some kind of exercise at the home itself. So, the statement is false.

3. An advantage to exercising is building stronger muscles and bones.

4. Riding your bike is an example of exercise.

Hence,

The routine of exercise begins with the usual basic step of stretching the body.

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The car's speed at the top is 0.6 m/s^2

The diameter of loop d = 40 mm

The radius of loop r = 20 mm = 0.02 m

At the top position, we can write,

Weight and Normal reaction combination will provide the centripetal force i.e.

R + W = mv²/R

R = W [apparent weight = Actual weight]

2W = 2mg = mv2/r

v = √2gr

v = 2 x 10 x 0.02 = 0.6 m/s^2

Hence, the car's speed at the top is 0.6 m/s^2

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Answer:

0.613 milliseconds

Explanation:

The critical angle of the transparent material is 35.3 degrees.

The critical angle is the angle of incidence at which the angle of refraction is 90 degrees. In this case, the angle of refraction is 32 degrees. Therefore, the critical angle is calculated as follows:

sin(critical angle) = sin(90 degrees) / sin(angle of refraction)

sin(critical angle) = 1 / sin(32 degrees)

sin(critical angle) = 0.574

critical angle = arcsin(0.574)

critical angle = 35.3 degrees

Therefore, the critical angle of the transparent material is 35.3 degrees.

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Answer:There are total four forces acting on the bicyclist namely, gravitational force, normal force, pushing force and air drag.

The magnitude of net force acting on the bicyclist is 165 N.

The required magnitude of force generated for the pedaling is of 225 N.

Given data:

The mass of bicyclist is, m = 75.0 kg.

The magnitude of acceleration is, .

The magnitude of drag force is, F = 60.0 N.

(1)

There are in total 4 forces acting on the bicyclist:

The gravitational force on the bicyclist, acting vertically downward, of magnitude , where m is the mass of the bicyclist and g is the acceleration due to gravityThe normal force exerted by the floor on the bicyclist and the bike, N, vertically upward, and of same magnitude as the gravitational forceThe force of push F", acting horizontally forward, given by the push exerted by the bicyclist on the pedalsThe air drag, F, of magnitude F = 60.0 N, acting horizontally backward, in the direction opposite to the motion of the bicyclist

(2)

The magnitude of net force acting on the bicyclist is given as,

Thus, the magnitude of net force acting on the bicyclist is 165 N.

(3)

We need to find the forward force of push, F'', which is actually the force generated during pedaling.

Then the expression for the forward pushing force F" is given as,

Thus, we can conclude that the force  generated for the pedaling is of 225 N.

Explanation:

The magnitude of the net force on the bicyclist was 0 N.

Her pedaling is generating  a force of  50 N in opposite of the drag force .

Force is defined in physics as: the push or pull on an object with mass that causes it to change velocity. Force is an external agent that can change the state of rest or motion of a body. It has a magnitude as well as a direction.

A spring balance can be used to calculate force.

As the bicyclist (including the bicycle) is pedaling right with a constant speed, the magnitude of the net force on the bicyclist was = mass × acceleration

= 70 kg × 0 m/s²

= 0 N.

Again her pedaling is generating  a force = drag force = 50 N in opposite of the  drag force . So that, net force on it becomes zero.

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The theorem used to obtain the integral (control volume) form of the linear momentum equation is the Reynolds Transport Theorem (RTT).

The Reynolds Transport Theorem (RTT) is used to derive the integral form of the linear momentum equation for a control volume. RTT connects the Lagrangian and Eulerian descriptions of fluid motion by considering a control volume in the fluid domain. It expresses the conservation laws (mass, momentum, and energy) in terms of extensive properties (total mass, linear momentum, and total energy) and intensive properties (density, velocity, and specific energy) of the fluid.

By applying RTT to the linear momentum principle, we obtain the integral form of the linear momentum equation, which describes the balance between the rate of change of linear momentum and the net force acting on the control volume.

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Answer:

I think the answer you're looking for is particulate matter.

Explanation:

The equation for finding the net torque on a dipole is given by τ = p × E, where τ represents the torque, p is the dipole moment, and E is the electric field.

A dipole exhibits a torque because it consists of two opposite charges separated by a distance, and when placed in an electric field, these charges experience forces in opposite directions, causing a rotational effect or torque. The torque tends to align the dipole moment with the direction of the electric field, and the strength of the torque depends on the magnitude of the dipole moment and the electric field, as well as the angle between them.

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