An astronaut drops an object of mass 3 kg from the top of a cliff on Mars, 3 and the object hits the surface 8 s after it was dropped. Using the value 15 4 m/s2 for the magnitude of the acceleration due to gravity on Mars, determine the height of the cliff. 240 m 180 m 320 m 120 m 160 m 60 m

Answer:

≈ 20.35 N [newton's of tension]

Explanation:

( (2.9 × 9.8) ÷ cos(35.6°) ) × sin (35.6°) =

( (28.42) ÷ (≈0.813) ) × (≈0.582) =

(≈34.96) × (≈0.582) = 20.3449446.... ≈ 20.35

Answer:

10 kg

Explanation:

The mass of the object is always constant and does not depend on the gravitational force of the Earth or the Moon.

Directly proportional is: energy and frequency; Inversely proportional: wavelength and energy and frequency and wavelength.

(a) The wavelength and energy are inversely proportional to each other. This implies that as the wavelength of a wave increases, its energy decreases, and as the wavelength decreases,  energy increases.

(b) The frequency and wavelength are inversely proportional to each other. This implies that as  frequency of a wave increases, its wavelength decreases, and as frequency decreases, wavelength increases.

(c) Energy and frequency are directly proportional to each other. This implies that as frequency of a wave increases, its energy also increases, and as frequency decreases, energy decreases.

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The load diagram for a 40D ocean container with 101010-inch boxes, assuming a 40*48 inch pallet that is 6 inches tall, can accommodate approximately X number of boxes.

To calculate the load diagram, we need to consider the dimensions of the container, pallet, and boxes, as well as their weights. The internal dimensions of a 40D ocean container are typically around 39'6" in length, 7'8" in width, and 7'10" in height.

First, let's calculate the number of pallets that can fit on the container floor. Since the pallet dimensions are 40*48 inches, we divide the container's width (7'8" or 92 inches) by the pallet width (48 inches). This gives us approximately 1.92, so we can fit 1 pallet in the width direction.

Next, we divide the container's length (39'6" or 474 inches) by the pallet length (40 inches) to find that we can fit approximately 11.85 pallets in the length direction. However, since the 40D container is not long enough to accommodate 12 full pallets, we can only fit 11 pallets in this direction.

Considering the height, we need to account for the 6-inch tall pallet as well as the 10-inch tall boxes. Since the container's height is 7'10" (or 94 inches), we subtract the combined height of the pallet and boxes (6 + 10 = 16 inches) from the container's height. This gives us 94 - 16 = 78 inches available for stacking.

Finally, we multiply the number of pallets (11) by the number of boxes that can be stacked (7) to find the total number of boxes that can fit in the container: 11 * 7 = 77 boxes. Therefore, the load diagram for a 40D ocean container with 101010-inch boxes and a 40*48-inch pallet that is 6 inches tall can accommodate approximately 77 boxes.

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The radiative energy will be produced by the accretion disk as a result of your fall into the black hole is 4.9×10¹⁷J.

The definition of radiation is energy that leaves a source and travels at the speed of light through space. An electric and magnetic field are present along with this energy, which has wave-like characteristics. Another name for radiation is electromagnetic waves.

Imagine that you were trapped into a supermassive black hole by an accretion disk. The disk radiates 10% of your mass-energy as you descend.

E = mc²

m = 54.5 kg

c = 3×10⁸ m/s

E = 54.5 × (3 × 10⁸)²

E = 4.9×10¹⁷J.

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The net flux through an insulating cube of side a, with a charge of q distributed uniformly throughout it, is determined by the ratio of q to the permittivity of free space.

The net flux through an insulating cube of side a, with a charge of q distributed uniformly throughout it, can be determined using the formula for electric flux: Φ = q/ε0. In this case, q is the charge of the cube and ε0 is the permittivity of free space, a universal constant (8.85x10-12 C2/N m2). The electric flux through the cube is therefore equal to q/(8.85x10-12 C2/N m2).
To put it more simply, the net flux is determined by the ratio between the charge and the permittivity of free space. The cube's side length has no impact on the flux because the charge is uniformly distributed throughout it. Therefore, the net flux will be the same, regardless of the size of the cube.

To summarize, the net flux through an insulating cube of side a, with a charge of q distributed uniformly throughout it, is determined by the ratio of q to the permittivity of free space. The side length of the cube does not affect the flux.

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Developing Psychological Theories: Mastery Test

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Hope this helps :)

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Answer:yes

Explanation:

Thermal energy is the sum of all kinetic and potential energy in a substance. He is the thermal energy that flows from a warmer object to a cooler object.

heat is the thermal energy that flows from warmer objects to cooler objects. heat only flows one way, from warmer to cooler objects. net heat transfer ends when two objects reach the same temperature. (thermal equilibrium)

Answer:

c

Explanation:

i took the test

Ghez's statement about "looking at a pebble at the bottom of a stream" refers to the difficulty of observing and studying black holes.

Ghez is referring to the fact that black holes are incredibly dense and have an intense gravitational pull that makes it difficult to observe them directly. Instead, scientists must infer their presence through the effects they have on nearby stars and other matter.

This requires extremely sensitive instruments and sophisticated techniques, much like trying to spot a pebble at the bottom of a stream. The comparison emphasizes the challenges involved in studying black holes and highlights the incredible achievements of Ghez and her colleagues in doing so.

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Answer:

c. Intensity

Explanation:

Wavelength is a distance (meters).

Speed is distance per time (meters / second).

Intensity is power per area (Watts / square meter).

Pitch is frequency (cycles / second).

Answer:

B. Cant stop things from going wrong.

Explanation:

To me it's the only reasonable answer...

Answer:

Its P path describes the change of state i.e from solid to liquid.

What is solid ?

"A solid is that state of matter which has a fixed shape, mass, and volume. It suffers very small changes in volume by changing the temperature. It can not be compressed, e.g. — Sand, Wood, Copper, Ice, etc."

What is liquid ?

"A liquid is a sample of matter that conforms to the shape of a container in which it is held, and which acquires a defined surface in the presence of gravity. The term liquid is also used in reference to the state, or condition, of matter having this property."

When wet clothes are hung outdoors on a winter day at a temperature of -15°C, the water on the clothes will begin to freeze, changing its phase from a liquid to a solid.

This is because the temperature is below the freezing point of water, which is 0°C. As the clothes continue to hang outside, the frozen water on the surface of the clothes begins to sublimate, which means it transitions directly from a solid to a gas without becoming a liquid first. This is because the air outside is very dry, and the water molecules can easily evaporate into the air. This process continues until most of the ice has sublimated and the clothes are dry.

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Answer:

v = 381 m/s

Explanation:

Linear Speed

The linear speed of the bullet is calculated by the formula:

\(\displaystyle v=\frac{x}{t}\)

Where:

x = Distance traveled

t = Time needed to travel x

We are given the distance the bullet travels x=61 cm = 0.61 m. We need to determine the time the bullet took to make the holes between the two disks.

The formula for the angular speed of a rotating object is:

\(\displaystyle \omega=\frac{\theta}{t}\)

Where θ is the angular displacement and t is the time. Solving for t:

\(\displaystyle t=\frac{\theta}{\omega}\)

The angular displacement is θ=14°. Converting to radians:

\(\theta=14*\pi/180=0.2443\ rad\)

The angular speed is w=1436 rev/min. Converting to rad/s:

\(\omega = 1436*2\pi/60=150.3776\ rad/s\)

Thus the time is:

\(\displaystyle t=\frac{0.2443\ rad}{150.3776\ rad/s}\)

t = 0.0016 s

Thus the speed of the bullet is:

\(\displaystyle v=\frac{0.61}{0.0016}\)

v = 381 m/s

Answer:

all of the above

Explanation:

because I know

Answer: all of the above

Explanation:

Each answer - choice has a reasonable relevance when using a website.

Answer:

Acceleration

\( \frac{distace}{time} \)

When we cross multiply, distance will be equal to acceleration multiply by time

Distance = acceleration x time

Distance = 9.8 x 3

= 29.4 m/s

Answer:

The main application for fusion is in making electricity. Most fusion reactors make less radiation than the natural background radiation we live with in our daily lives. ... Clean - No combustion occurs in nuclear power (fission or fusion), so there is no air pollution.

Answer:

Because this pole is different from the original pole that magnetized the paperclips, the top paperclip will become demagnetized in the opposite direction and the bottom paperclip will be repelled away

answer C is the correct one

Answer:

c

Explanation:

i took test and it was correct

Ranking the scale readings of the speed from highest to lowest is Option d, Option e, Option a, Option c, Option b.

A bathroom scale works by measuring the normal force that an object applies to it. The normal force is the force that a surface exerts on an object that is perpendicular to the surface. This force, in turn, is equal in magnitude to the force with which the object is pressing on the surface. When an elevator moves, the normal force is affected by the movement. As a result, the scale reading will also change.

The following is the order of scale readings from highest to lowest based on the given information about the speed v or the magnitude of the acceleration a:

(d) descending with increasing speed (a = 2.0 m/s²)

(e) ascending with decreasing speed (a = 2.0 m/s²)

(a) ascending with increasing speed (a = 1.0 m/s²)

(c) descending at constant speed (v = 4.0 m/s)

(b) descending at constant speed (v = 2.0 m/s)

Descending with increasing speed will produce the highest scale reading. This is because as the elevator descends faster and faster, the normal force exerted on the scale increases. Descending at constant speed with a higher speed will produce the next highest scale reading.

In comparison to descending at a constant speed with a lower speed, descending at a constant speed with a higher speed results in a higher normal force and thus a higher scale reading. Ascending with increasing speed, on the other hand, causes the normal force to decrease, resulting in a lower scale reading. Finally, descending at constant speed produces a lower scale reading than ascending at constant speed because the normal force is lower.

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To calculate vertical position using GPS, a GPS receiver must be in contact with at least four GPS satellites. These four satellites are required for the receiver to calculate its position in three-dimensional space, with latitude, longitude, and altitude.

The process of determining a GPS receiver's position is called trilateration. In trilateration, the receiver measures the distance between itself and each of the four satellites, which are constantly transmitting their position and time information. By combining these distance measurements, the receiver can determine its position in three dimensions.
Vertical position is determined by measuring the distance between the receiver and the satellites in the vertical dimension, which is the distance between the receiver and the satellite's position in the sky. This measurement is more challenging than measuring the distance in the horizontal plane, which is done using the receiver's built-in antenna. Overall, the GPS system is a highly sophisticated and complex network of satellites, receivers, and software that work together to provide accurate and reliable positioning information. By using at least four GPS satellites, a receiver can calculate its position in three dimensions, including its vertical position.

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The thing that happens when you push or pull a water tube is that the force makes the tube to speed up, slow down, or be in one place.

It is very hard when pulling  water and if a person need to consistently pull air out of the tube before water makes it to the pump, it is very  difficult and some pumps may or cannot do it.

In regards to pushing, when a person is pushing above the Center of Gravity, one is pushing the said object into the ground and thus is increasing the rate of friction.

If a person is pulling you are said to be pulling above the Center of Gravity and lowering friction.

So, The thing that happens when you push or pull a water tube is that the force makes the tube to speed up, slow down, or be in one place.

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Answer:

High current flow

Explanation:

Generally , the measuring instruments used by technician also have some resistance, though its value is very low  . So when high current is present in the circuit , that current also passes through the instrument which creates a good potential drop across the instrument . So the external voltage used in the circuit measures less voltage .

Answer:

45

Explanation: