find the time the trip would take if you could somehow travel there at jet-plane speed, 2800 km/h . (note: 1 light-year equals 9.46×1012km .)

Answer:

Fracturing can emit seismic waves through the ground.

Explanation:

I believe the answer is seismic, I've studied this before.

The approximate acceleration of the riders on the bike is 3 m/sec².

The rate at which an item changes its velocity is known as acceleration, a vector quantity. If an object's velocity is changing, it is acceleration.The net acceleration that objects get as a result of the combined action of gravity and centrifugal force is known as the Earth's gravity, or g. It is a vector quantity whose strength or magnitude is determined by the norm and whose direction correlates with a plumb bob.

Given total force applied = 30 + 20 = 50 N

Mass of two riders = 150 Kg

So, the acceleration = 150 /50 = 3 m/sec².

The approximate acceleration of the riders on the bike is 3 m/sec².

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Answer:

c

Explanation:

Answer:

it's d

Explanation:

because if you had energy you could do anything but without energy you won't be able to so anything

hope this helps

Magma is called for the dense mix of dry hot rock fragments and hot gas erupting from volcanic vent at high speed.

Magma is the extremely hot liquid and flows under the surface of the earth. When this liquid comes out to the surface of earth, then called as lava.

Gas bubble, making up to lave are energetic in nature, because they keep on expanding in all directions, they will go all out to the only open are of a volcano, the vent, in an upward direction.

Hence Magma is called for the dense mix of dry hot rock fragments and hot gas erupting from volcanic vent at high speed.

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Answer:

The statement is not correct.

Explanation:

To know if the statement is correct, we shall determine the velocity of the car after 3 s. This is illustrated below.

Data obtained from the question include:

Initial velocity (u) = 0 m/s

Acceleration due to gravity (g) = 9.8 m/s²

Time (t) = 3 s

Final velocity (v) =?

v = u + gt

v = 0 + (9.8 × 3)

v = 0 + 29.4

v = 29.4 m/s

Thus, the velocity of the car after 3 s is 29.4 m/s.

Hence, the statement made by the friend is not correct as the car has a falling velocity of 29.4 m/s after 3 s.

The skater moves at a 10 m/s speed. The right answer is A.

We must examine the forces operating on the skater in order to calculate their speed. The horizontal force applied to the ground creates the centripetal force, which is pointed in the direction of the circular path's center.

The centripetal force is calculated using the formula F = (mv2) / r, where m is the skater's mass, v is the speed, and r is the circle's radius.

We may convert the skater's horizontal force of 1125 N to the centripetal force as follows:

1125 N = (45 kg * v^2) / 4 m.

We rearrange the equation to find v:

1125 N * 4 m = 45 kg * v^2.

4500 N*m = 45 kg * v^2.

If you multiply both sides of the equation by 45 kg, you get:

100 N*m = v^2.

Taking the square root of both sides gives:

v = 10 m/s.

Therefore, the skater's speed is 10 m/s. The correct option is A.

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The line which could be used to describe an object that is accelerating in the positive direction on this Position vs. Time graph is line a.

A position vs time graph can be defined as a type of graph that is used to graphically represent the distance traveled (covered) by an object from its starting position with respect to the time when it is started moving.

In a position vs time graph, the position of a physical object (body) is always plotted on the y-coordinate (y-axis) while time is always plotted on the x-coordinate (x-axis).

Generally speaking, there are different types of motion that are described by a position vs time graph and these include a motion in the positive direction and accelerating or speeding up in the positive direction as depicted by line a, which simply means that the speed of the physical is increasing.

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Answer:

i think its 56as

Explanation:

Answer:

a black or dark viscous substance obtained as a residue in the distillation of organic materials and especially tars

Explanation:

The x component would be Ex = 412 x cos 49° = 270 N/C

Assume there is a small positive charge located at point P. By definition the magnitude of the electric field at point P due to charge Q1 is

E = kQ1/d2

where k is the coulomb constant and d is the straight line distance from Q1 to P.

The distance is the hypotenuse of the triangle formed by Q1, Q2, and P.

d = √0.065^2 + 0.075^2 = 0.099 m at an angle of θ = arctan 7.5/6.5 = 49°.

|E| = 8.99 x 10^9 Nm^2 C^-2 x 0.45 x 10^-9 C/ 0.099^2 m^2 = 412 n/C

The x component would be Ex = 412 x cos 49° = 270 N/C

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Answer:

17640

Explanation:

Power = workdone/time

Power = (force x displacement)/time

Power = (mg x 60)/60

Power = (1800 x 9.8 x 60)/60

=> power = 17640 watt

The final speed of the 2.3-kg object is 3.47 m/s. In an elastic collision, both momentum and kinetic energy are conserved. We can use these conservation principles to solve for the final speed of the 2.3-kg object.

First, we'll need to calculate the initial momentum of each object:
p1 = m1v1 = (2.3 kg)(6.1 m/s) = 14.03 kg m/s
p2 = m2v2 = (3.5 kg)(-4.8 m/s) = -16.8 kg m/s
The negative sign for p2 indicates that the object is moving in the opposite direction.
The total initial momentum of the system is:
p1 + p2 = -2.77 kg m/s
Next, we'll use conservation of momentum to find the final velocity of the system:
p1 + p2 = p1' + p2'
where p1' and p2' are the final momenta of each object. Since the objects are moving in opposite directions, their momenta have opposite signs:

p1' = m1v1'
p2' = m2v2'
We can solve for v1' and v2' in terms of the initial velocities and masses:
v1' = ((m1 - m2)/(m1 + m2))v1 + (2m2/(m1 + m2))v2
v2' = (2m1/(m1 + m2))v1 - ((m1 - m2)/(m1 + m2))v2
Plugging in the given values, we get:
v1' = (-0.6 m/s)
v2' = (2.87 m/s)
The final velocity of the 2.3-kg object is positive, indicating that it is moving in the same direction as its initial velocity. Therefore, the final speed of the object is:
v1' = 3.47 m/s

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Answer:

212 f

Explanation:

Given that both the chair and the person are affected by Earth's movement, we can deduct that both have inertia due to Earth's speed.

The scale eventually will read a higher value during acceleration than when the elevator is at rest.

Acceleration can be defined as the rate of change of velocity of an object over time. Acceleration is a vector quantity. It means it has both magnitude and direction. The unit of measurement for acceleration is meters per second squared (m/s²). Positive acceleration means an object is speeding up, negative acceleration means it's slowing down, and zero acceleration means it's moving at a constant velocity. The scale reading during acceleration will be greater than the scale reading when the elevator is at rest. This is because during the acceleration, the force acting on the person standing on the scale is the person's weight (mg) plus the force due to the acceleration (ma). Since the elevator is accelerating upward, the force due to the acceleration is upward and adds to the person's weight. Therefore, the scale will read a higher value during acceleration than when the elevator is at rest.

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Create a graph with the x-axis indicating time and the y-axis showing distance (displacement from the top) (label axes and give units for each).

A line with an upward slope that progressively becomes steeper as it continues will be the one that fits the data the best. Avoid using straight lines to connect the graph's points.

This is further explained below.

Generally,  the equation for distance is  mathematically given as

d = ut + ½.at²

Therefore

For 1.0s

d = 0.5 x 9.80 x (1²)

d= 4.90 m

For 2.0s

d' = 0.5 x 9.80 x (2²)

d'= 19.60 m

For 3.0s, 4.0s, 5.0s Respectively

d'' = 44.10m

d''' = 78.40 m

d'''' = 122.50m

In conclusion, Draw a graph with the y-axis representing distance (displacement from the top) and the x-axis representing time (label axes and give units for each).

The line that provides the greatest fit will be an upwardly sloping line that gradually becomes steeper as it goes on. Do not connect the graph points with lines that are straight.

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Type Ia supernova is approximately 72.38 million parsecs away in the distant galaxy.

To determine the distance to a Type Ia supernova in a distant galaxy with an apparent magnitude of 10, we will use the distance modulus formula. The distance modulus formula relates the apparent magnitude (m), absolute magnitude (M), and distance (d) in parsecs. The formula is:

m - M = 5 * log10(d) - 5

For a Type Ia supernova, the absolute magnitude is roughly -19.3. Now, we have the values for m and M, and we can solve for d:

10 - (-19.3) = 5 * log10(d) - 5

Next, isolate log10(d):

29.3 = 5 * log10(d) - 5
34.3 = 5 * log10(d)

Now, divide by 5:

6.86 = log10(d)

To find d, raise 10 to the power of 6.86:

d = 10^6.86

Finally, calculate the distance:

d ≈ 72.38 million parsecs

So, the Type Ia supernova is approximately 72.38 million parsecs away in the distant galaxy.

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Students were asked about the speed of cars involved in an accident. When the verb was changed from "contacted" to "smashed", students were more likely to report that there was broken glass involved in the accident.

A verb is one of the parts of speech in English language and it can be defined as a type of word which is used to describe an action, occurrence, experience, or a state of existence such as, smashed, living, contacted, clean, drive, etc.

Speed can be defined as the distance covered by a physical object per unit of time. This ultimately implies that, the higher the speed of a car that is involved in a road crash or accident, the higher would be the level of impact and damage that would be caused.

In this context, we can reasonably infer and logically deduce that changing the verb from contacted to smashed, ultimately implies that the road crash or accident was ghastly and fatal and such would cause broken glasses in the cars that were involved.

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Complete Question:

Students were asked about the speed of cars involved in an accident. When the verb was changed from "contacted" to "smashed" ______,

students were more likely to report that there was broken glass involved in the accident

students were less likely to report that the cars were traveling at high speeds

students were more likely to report that no one was injured in the accident

there was no differences noted.

The acceleration remains in the same direction (downward) throughout, but the velocity of the rock changes from positive (upward) to negative (downward).

At t = 1.0 s, the rock has an initial velocity of 24.0 m/s in the upward direction and an acceleration of 9.8 m/s2 in the downward direction. This means that the speed of the rock is increasing as it accelerates downward.

At t = 3.0 s, the rock has a velocity of -48.0 m/s in the downward direction and an acceleration of 9.8 m/s2 in the downward direction. This means that the speed of the rock is decreasing as it accelerates downward.

The acceleration of the rock remains in the same direction (downward) as it moves, but the velocity of the rock changes from positive (upward) to negative (downward).

To sum up, the rock has an initial velocity of 24.0 m/s in the upward direction and an acceleration of 9.8 m/s2 in the downward direction at t = 1.0 s.

This means that the speed of the rock is increasing as it accelerates downward. At t = 3.0 s, the rock has a velocity of -48.0 m/s in the downward direction and an acceleration of 9.8 m/s2 in the downward direction.

This means that the speed of the rock is decreasing as it accelerates downward.

The acceleration remains in the same direction (downward) throughout, but the velocity of the rock changes from positive (upward) to negative (downward).

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The average upward force exerted by the water on the high diver can be determined using the principles of motion and Newton's second law. The calculated value is 1666 N.

To find the average upward force exerted by the water, we can apply Newton's second law, which states that the force acting on an object is equal to its mass multiplied by its acceleration.

First, we need to find the initial velocity of the diver just before entering the water. Using the equation of motion,\(v = u + at\), where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time taken, we can find the initial velocity.

Since the diver's downward motion is stopped 1.0s after entering the water, the final velocity is 0 m/s. The acceleration due to gravity is approximately 9.8 m/s². Rearranging the equation, we have 0 = u + (9.8 m/s²)(1.0 s), which gives us the initial velocity u = -9.8 m/s (negative because the diver is moving downward).

Next, we can calculate the average upward force using the formula F = ma, where F is the force, m is the mass, and a is the acceleration. The acceleration is determined by the change in velocity and the time taken to stop, which is 9.8 m/s divided by 1.0 s. Substituting the values, we have F = (70 kg)(9.8 m/s²/1.0 s), which gives us the average upward force of 686 N.

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By applying this rule, you can determine the force between objects at any given distance by comparing it to the force measured at a reference distance.

F1 / F2 = \((r2 / r1)^2\)

The rule based on the measured force between objects that are 10 meters apart to find the force between objects at any distance apart is as follows:

"The force between two objects is inversely proportional to the square of the distance between them."

Mathematically, this can be expressed as:

F1 / F2 = \((r2 / r1)^2\)

Where:

F1 is the measured force between objects at a distance r1.

F2 is the force between objects at a distance r2.

r1 is the initial distance between the objects where the force was measured.

r2 is the new distance between the objects at which the force is to be calculated.

By applying this rule, you can determine the force between objects at any given distance by comparing it to the force measured at a reference distance.

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Answer: 4 seconds are elapsed before the cannonball strikes the ground.

Explanation:

Height of tower (h) = 80m

Initital velocity in x-dir (\(u_{x}\)) = 337m/s

Initial velocity in y-dir (\(u_{y}\)) = 0m/s

Time of flight (T)

Gravitational acceleration (g) = 10 m/s

Using second equation of motion,

h = \(u_{y}\) + \(\frac{1}{2}\)g\(t^{2}\)

80 = \(\frac{1}{2}\)×10×\(T^{2}\)

\(T^{2}\) = 16

T = 4s

Answer:

I believe it wouled be Nutrients

Explanation:

hope this helps if not please let me know

Answer:

I assume its c. Since its talking about testing.

Explanation:

Answer:

The answer is test of durability

Explanation:

Answer:

3.the distance away from the sun where it to hot or too cold for life to exist

The fish appears to be located 37.6 cm below the surface of the pond when viewed from directly above.The correct answer is: O 37.6 cm below the surface of the pond.

This is because when light travels from water (with an index of refraction of 1.33) to air (with an index of refraction of 1.00), it undergoes refraction. This means that the light bends as it passes through the surface, which causes objects to appear shifted from their actual position.

In this case, the fish is actually located 50.0 cm below the surface of the pond. However, when the light from the fish enters the air above the pond, it bends away from the normal (a line perpendicular to the surface of the water), causing the fish to appear higher up than it actually is. Using the formula for calculating the apparent depth of an object underwater:

apparent depth = real depth / index of refraction

We can calculate the apparent depth of the fish:

apparent depth = 50.0 cm / 1.33 = 37.6 cm

Therefore, the fish appears to be located 37.6 cm below the surface of the pond when viewed from directly above.

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Answer:

D.

they are looking to find a doctor to give them a diagnosis

Explanation:

cause I had this answer

Individuals suffering from somatoform disorder generally see many doctors as they are often referred for a second opinion.

The somatoform disorder also known as a somatic symptom disorder refers to any mental disorder, which displays as physical symptoms that suggest injury or illness. However, it cannot be explained completely by a general medical condition or by the direct effect of a substance.

They are also not attributable to another mental condition like panic disorder. For the individuals diagnosed with somatoform disorder, the results of the medical test either do not explain the symptoms of the person or are either normal.

Therefore, the person with the somatoform disorder generally visits many doctors as they are often referred for a second opinion.

Thus, the correct statement is option A.

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Answer:

25joules

Explanation:

The experimental evidence led to the development of have gathered new evidence. One of the atomic models this atomic model from the one before it is the colors of light emitted from heated atoms had very specific energies.

As scientific knowledge about the structure of the atom has changed, so have models of the atom.

The Rutherford planetary model, which depicts electrons travelling around the nucleus like planets move around the sun in the solar system, is the direct precursor of the model illustrated in the figure attached.

This model was created as a result of the study of light hues released by heated atoms with highly particular energies.

The Bohr model of the atom is so named because Niels Bohr had a major role in developing it. The passage of electrons between energy levels caused the light hues released by heated atoms. Electrons are grouped in shells or energy levels.

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