Suppose the student walks the following path: 20 M WEST, 25 M SOUTH, 8 M EAST, 9 M NORTH. Calculate the total distance the student traveled

We are looking for Distance. Distance in physics is understood as the speed of an object multiplied by the total time taken by the object to travel the length of its path.

The units for each variable must be consistent with one another in order to accurately calculate the distance. For instance, if the distance is being calculated in terms of meters, the speed should be recorded in meters per unit of time.

Without taking into account direction, distance measures the length between two points or objects. Distance is a scalar property, which means it simply considers the overall magnitude and does not take start or endpoints into account.

The meter (m) is the commonly used unit of measurement for distance, but greater distances can also be expressed in kilometers (km), and smaller distances can be expressed in centimeters (cm) or millimeters (mm).

Therefore, We are looking for Distance. Distance in physics is understood as the speed of an object multiplied by the total time taken by the object to travel the length of its path.

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Answer:

Phospholipids are able to form cell membranes because the phosphate group head is hydrophilic (water-loving) while the fatty acid tails are hydrophobic (water-hating)

Answer:

Explanation:

the fatty acid tails are hydrophobic

they hates water

The maximum speed would depend on various factors and cannot be determined solely based on the rolling resistance of 50 pounds per ton.

The maximum speed of a vehicle is influenced by multiple factors, including but not limited to the rolling resistance. While the rolling resistance can affect the efficiency of the vehicle's motion, it is not the sole determinant of the maximum speed.

To calculate the maximum speed, additional factors such as the power output of the vehicle's engine, aerodynamic drag, road conditions, and other resistive forces need to be considered. These factors interact with each other, and their combined effect determines the vehicle's maximum achievable speed.

Rolling resistance is the force required to overcome the friction between the tires and the road surface. A rolling resistance of 50 pounds per ton implies that for every ton (2000 pounds) of weight, 50 pounds of force is needed to overcome the rolling resistance.

However, without information about the vehicle's weight, engine power, aerodynamic characteristics, and other relevant factors, it is not possible to calculate the maximum speed accurately.

The maximum speed of a vehicle cannot be determined solely based on the rolling resistance of 50 pounds per ton. Multiple factors, including the vehicle's weight, engine power, aerodynamic drag, and road conditions, play significant roles in determining the maximum speed. To accurately calculate the maximum speed, all relevant factors need to be considered in conjunction with the rolling resistance.

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The terms for the statements given are, 1. Conservation of Matter, 2. James Clerk Maxwell, 3. Michael Faraday, 4. J.J. Thomson, 5. Charles-Augustin de Coulomb, 6. Electrons and protons, 7. Elementary charge, 8. Torsion balance, 9. Electric field, 10. Electric field strength, 11. Electric field lines, 12. Electrical potential energy, 13. Electric potential difference, 14. Dielectrics, 15. Polar materials, 16. Nonpolar materials, 17. Dielectric constant, 18. Capacitor, 19. Capacitance, 20.Electric energy density.

Fundamental forces, including electromagnetism, maintain atoms and bodies we interact with. Maxwell's equations unified electricity and magnetism. Faraday introduced field lines to visualize electric and magnetic fields. Thomson discovered electrons, while Coulomb established the law of force between charged particles. Protons and electrons create positive and negative electricity, and an elementary charge is the smallest charge carried by a single particle.

The electric field surrounds charged bodies and has a strength measured in volts per meter. Insulators prevent electrical flow and are useful in electronics. Polar and nonpolar materials have different arrangements of positive and negative charges. The dielectric constant measures the ratio of field magnitudes in and out of a material. Capacitors store electric charge and energy and have capacitance measured in farads. Electric energy density measures the energy per unit volume of the electric field.

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Answer:

A mousetrap makes use of a simple machine called a lever.

Explanation:

In a second-class lever the effort force is at the other end, with the load in the middle. In a third-class lever, the load is at the end and the effort force is between the fulcrum and the load. When you set the mousetrap, you are using a second-class lever. Sorry if I get this wrong. I am in 5th grade! ♥

Answer:

The correct option is;

(A) 25.8 cmHg

Explanation:

The given parameters are;

The height of the mountain over which the eagle is flying = 2700 m

The average density of air, ρₐ = 1.3 kg/m³

The atmospheric pressure at sea level = 76 cmHg = 0.76 mHg

The density of mercury, \(\rho _m\) = 13,600 kg/m³

The formula for pressure, p, is p = ρ·g·h

The pressure in the atmosphere = 13,600 × 0.76 × g = 10,336·g

The equivalent height of air is found as follows;

1.3 × g × h = 10,336·g

h = 10,336/1.3 = 7,950.769 meters

Therefore;

The pressure of the atmosphere at 2,700 meters, p₂₇₀₀ = (2,700/7,950.769) × 76 cm Hg

Which gives;

p₂₇₀₀ = 25.808 cmHg ≈ 25.8 cmHg.

Answer:

Describe how the shape of the coast may influence an incoming wave. Explain using key terms such as reflection off the shape of the coast and reflection of incoming waves.​

Explanation:

Describe how the shape of the coast may influence an incoming wave. Explain using key terms such as reflection off the shape of the coast and reflection of incoming waves.​

Answer:

speed = distance/time

Explanation:

speed = 150/30

speed =5m/s

you were running fast .....5m/s is a good speed

Poor circulation is not a benefit of stretching.

How many minutes of stretching should a person perform before participating in physical activities?

Stretching for 5 to 10 minutes is probably enough for most activities. It's important, however, to adequately stretch all the muscles you'll be using. Three benefits of stretching before a workout include increased blood flow.

What are the 5 benefits of stretching?

Which benefit comes with flexibility?

Activities that lengthen and stretch muscles can help you prevent injuries, back pain, and balance problems. A well-stretched muscle more easily achieves its full range of motion.

Thus, poor circulation is the correct option.

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Answer:

It is because gasses, liquids, and plasma are always changing shape they are named and classified as ‘fluid’.

Answer:

a x = volume of liquid displaced moving cylinder distance x into liquid

F = a x ρ       weight liquid displaced where ρ is density of liquid

F = a z ρ        force required to push cylinder into liquid

A)    F = a z ρ      force required to push cylinder into liquid

B) W = F * z = a z^2 ρ       work required to move distance z

W = (π * .025^2 m^2 * (.17 m)^2 * 9,800 N / m^3 = .56 N-m

(Note density of water = 1000 kg/m^3 = 9800 N/m^3)     weight density

Answer:

We conclude that the force on the bag is 500 N.

Explanation:

Given

To determine

Force F = ?

We know that when a force is applied to a body, it produces acceleration.

Important Tip:

Using the formula

\(F = ma\)

where

now substitute m = 1000, and a = 0.5 m/s² in the formula

\(F = ma\)

\(F = (1000)(0.5)\)

\(F=500\) N

Therefore, we conclude that the force on the bag is 500 N.

The electric force between the two balloons is approximately 1.04 x \(10^{-12}\) N.

Coulomb's Law:

The electric force between two charged objects can be calculated using Coulomb's Law, which states that the magnitude of the electric force F between two charged objects is directly proportional to the product of their charges (q1 and q2) and inversely proportional to the square of the distance (r) between them:

F = k * (q1 * q2) / r²

where k is the Coulomb constant, which has a value of approximately 9.0 x \(10^{9}\) N*\(m^{2}\)/\(C^{2}\).

In this case, each balloon acquires a charge of 1.2 x \(10^{-7}\) C, so the total charge on both balloons is 2 * 1.2 x \(10^{-7}\)C = 2.4 x \(10^{-7}\)C. The distance between the balloons is 0.5 m.

Plugging in these values into Coulomb's Law, we get:

F = (9.0 x \(10^{9}\) N*\(m^{2}\)/\(C^{2}\)) * [(1.2)²x (\(10^{-7}\) C)²/ (0.5m)²]

Simplifying this expression gives:

F = 1.0368 x \(10^{-12}\) N

Therefore, the electric force between the two balloons is approximately 1.04 x\(10^{-12}\)    N.

What is magnitude?

Magnitude refers to the size or extent of something, usually measured in numerical or quantitative terms. It can refer to a physical quantity, such as length, mass, or volume, or it can refer to other measurable attributes, such as brightness, intensity, or force. In general, magnitude is a relative measure, meaning that it is typically expressed as a comparison between two or more things.

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The  time to drop from 1.3m and velocity after height at 0.7 mis mathematically given as

t1 = 0.515 sec  

v0 = 3.7m/s

Question Parameters:

A 0.045-kg golf ball is dropped from rest.

Is dropped from a height of 1.3m and comes back up at a height of .7m

Generally, the equation for the time to drop from 1.3m   is mathematically given as

yf - yi = vi t + a t^2/ 2

Therefore

0 - 1.3 = 0 - 9.8 t^2 /2

t1 = 0.515 sec  

Hence, after its max height is 0.7 m,

vf^2 - vi^2 = 2 a (yf - yi)

0^2 - (v0)^2 = 2(-9.8)(0.7 - 0)

v0 = 3.7m/s

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The latitude and longitude coordinates for Location C are given as 50S, 68W. Therefore, the correct answer is 4) Cannot discern from the information provided.

Latitude and longitudinal lines are shown on a globe of Earth as parallel and vertical lines. To determine which distance is farther, we need to compare the distance between Location B and the Equator with the distance between Location C and the Equator.

However, the latitude and longitude coordinates for Location B and the specific direction or coordinates of the Equator are not provided. Without this information, it is not possible to determine which distance is farther between Location B and the Equator or Location C and the Equator.

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The heat generated due to the friction in the given process is 367.83 J.

Frictional heat generates when two surfaces slide against each other. The heat generated due to the friction in the given process is 6.92.7 J.

Frictional heat:

This heat is generated when two surfaces slide against each other.

Potential energy :-

U= m g h;

Put the values

U=  18.0-kg* 9.8 m/s^2 *2.20 m

U=388.08 J

The Kinetic energy in the bottom:

K = 1/2 * m * v^2

=  1/2 * 18.0* 1.50^2

K= 20.25 J

So the friction heat,

Hf = U - K

Hf = 388.08 J -20.25 J

Therefore, the heat generated due to the friction in the given process is 367.83 J.

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Explanation:

good luck with the one that was on the one that has to be done

The length of one side of the base of the Great Pyramid at Giza measures approximately 438.7 Royal Egyptian Cubits.

To convert the length of the base of the Great Pyramid from meters to Royal Cubits, we can use the given conversion factor:

1.91 Royal Egyptian Cubit = 1.00 meter

First, let's set up a proportion:

1.91 Royal Egyptian Cubit / 1.00 meter = x Royal Egyptian Cubit / 2.30 x 10^2 meters

Cross-multiplying and solving for x, we get:

x = (1.91 Royal Egyptian Cubit / 1.00 meter) * (2.30 x 10^2 meters)

x ≈ 438.7 Royal Egyptian Cubit

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Answer:

Protostars

Explanation:

Answer:

Question one is b, Question two is b, and question three is b, im pretty positive that what it is

Since we have a 14 gallon tank this means that in total we need:

cubic inches.

Now, we know that one inche is equal to 2.54 cm then we have that:

finally, and since a liter is equal to 1000 cubic centimeters we have that:

Therefore we need 54.99576 liters of gasoline (this is approximately 55 liters)

Answer:

Explanation:

The momentum of an object can be found by using the formula

momentum = mass × velocity

From the question we have

momentum = 78 × 24

We have the final answer as

Hope this helps you

Answer:

The maximum height reached by the two blocks is approximately 0.1147959 × v₀²

Explanation:

The mass of block B = m

The mass of block A = 3·m

The initial velocity of block B, v₂ = 0 m/s

The initial velocity of block A, v₁ = v₀

The amount of friction between the blocks and the surface = Negligible friction

By the Law of conservation of linear momentum, we have;

Total initial momentum = Total final momentum

3·m·v₁ + m·v₂ = (3·m + m)·v₃ = 4·m·v₃

Plugging in the values for the velocities gives;

3·m × v₀ + m × 0 = (3·m + m)·v₃ = 4·m·v₃

∴ 3·m × v₀ =  4·m·v₃

\(\therefore v_3 = \dfrac{3}{4} \times v_0 = 0.75 \times v_0\)

The kinetic energy, K.E. of the combined blocks after the collision is given as follows;

K.E. = 1/2 × mass × v²

\(\therefore K.E. = \dfrac{1}{2} \times 4\cdot m \times \left (\dfrac{3}{4} \cdot v_0 \right )^2 = \dfrac{9}{8} \cdot m\cdot v_0^2\)

The potential energy, P.E., gained by the two blocks at maximum height = The kinetic energy, K.E., of the two blocks before moving vertically upwards

The potential energy, P.E. = m·g·h

Where;

m = The mass of the object at the given height

g = The acceleration due to gravity

h = The height at which the object of mass, 'm', is located

Therefore, for h = The maximum height reached by the two blocks, we have;

P.E. = K.E.

\(m \cdot g \cdot h = \dfrac{9}{8} \cdot m\cdot v_0^2\)

\(h = \dfrac{\dfrac{9}{8} \cdot m\cdot v_0^2}{m \cdot g } = \dfrac{9}{8} \cdot \dfrac{ v_0^2}{ g } = \dfrac{9}{8} \cdot \dfrac{ v_0^2}{ 9.8} = \dfrac{42}{392} \cdot v_0^2 \approx 0.1147959 \cdot v_0^2\)

The maximum height reached by the two blocks, h ≈ 0.1147959·v₀².

The same side of the Moon will always be facing the Earth when the Earth and Moon are tidally locked in a synchronous orbit, which implies that the Moon's rotation will be synchronized with its orbit around the Earth.

The Moon's appearance in the Earth's sky would change as a result. There wouldn't be any moon phases like there are now. Instead, only one side of the Moon would be permanently facing us and visible from Earth, with the other half remaining hidden. The viewable side would stay unchanged over time, giving Earth a static and unchanging picture of the Moon.

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The Geocentric Theory, which cannot explain backward, is Model B.

Because its proponents were unable to explain why the relative positions of the stars appeared to stay the same despite the Earth's changing perspectives as it rotated around the Sun, The solar system's heliocentric, or Sun-centered, model was never generally accepted.

Instead of Earth, as was previously thought to be the case according to the geocentric model, the heliocentric model puts the Sun at the core of the solar system. Our greater knowledge of astronomy was built on this advancement, which brought us closer to the true nature of the solar system and the universe.

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The wavelength of a wave with an amplitude of 0.0800m, moving at 7.33 m/s, and a time period of 0.230 s is 1.6849 m.

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Answer:

Explanation:

You can drive at 60 miles per hour

D = 60 miles

t = 1 hour

Speed:

V = D / t = 60 / 1 = 60 mph

Answer:

The anomalous expansion of water is an abnormal property of water whereby it expands instead of contracting when the temperature goes from 4o C to 0o C, and it becomes less dense.

Explanation:

The density is maximum at 4 degree centigrade and decreases below that temperature as shown in graph.