Suppose that an asteroid traveling straight toward the center of the earth were to collide with our planet at the equator and bury itself just below the surface. What would have to be the mass of this asteroid, in terms of the earth's mass $M$, for the day to become 25.0% longer than it presently is as a result of the collision? Assume that the asteroid is very small compared to the earth and that the earth is uniform throughout.

Answer:

Water temperatures are slow to heat up, It takes 4 times the energy to heat up water than to heat air. Water also "feels" colder because water is a more efficent medium than air to cool our body down.

Re word it tho

Hope this helps!!

Answer:

how much?

Explanation:

Answer:

Mental time travel has been studied by psychologists, cognitive neuroscientists, philosophers and in a variety of other academic disciplines. Major areas of interest include the nature of the relationship between memory and foresight, the evolution of the ability (including whether it is uniquely human or shared with other animals), its development in young children, its underlying brain mechanisms, as well as its potential links to consciousness, the self, and free will.

Explanation:

The linear distance Δ between the ninth order maximum and the fourth order maximum on the screen is 729.6 mm.

Use formula Δ = L * (y9 - y4).

where L is the distance between the double gashes and the screen, and y9 and y4 are the distances between the centre  outside and the ninth and fourth order maxes.

 To get y9 and y4, we may use the maximum position formula in a double- slit  hindrance pattern

 y =  m * λ * L/ d  

where m is the loftiest order, is the light wavelength, L is the distance between the double gashes and the screen, and d is the slit distance.   With the  handed values, we get

d = 0.100 mm = 0.0001 m

λ = 552 nm = 0.000552 m

L = 49.0 cm = 0.49 m

m = 9

y9 = m * λ * L / d = 9 * 0.000552 * 0.49 / 0.0001 = 2.6876 m

Δ = L * (y9 - y4) = 0.49 * (2.6876 - 1.2056) = 0.7296 m

Δ = 729.6 mm

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The combined force of the two ropes on the swing is : 4.56 ∠ 77° above X -axis

Given data :

Tension in the ropes ( T ) = 2.28 N

Angle made by ropes = 13° vertical

F ( combined force ) = T + T

                                  = 2.28 + 2.28 = 4.56 N

from the question  13° vertical is approximately equal to 77° above the positive X-axis.

Therefore the  combined force of the two ropes on the swing is : 4.56 ∠ 77° above the X-axis of the swing.

Hence can conclude that The combined force of the two ropes on the swing is : 4.56 ∠ 77° above X -axis

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Answer:

Explanation:

The combined force of the two ropes on the swing is : 4.56 ∠ 77° above X -axis

Given data :

Tension in the ropes ( T ) = 2.28 N

Angle made by ropes = 13° vertical

Determine the combined force of the two ropes

F ( combined force ) = T + T

                                 = 2.28 + 2.28 = 4.56 N

from the question  13° vertical is approximately equal to 77° above the positive X-axis.

Therefore the  combined force of the two ropes on the swing is : 4.56 ∠ 77° above the X-axis of the swing.

Hence can conclude that The combined force of the two ropes on the swing is : 4.56 ∠ 77° above X -axis

Answer:

Explanation is in the picture and the answer is 16

From the calculation, the mass of the dummies head is 1647.44 Kg

We know that the momentum after collision is equal to the momentum before collision.

Mass of the headrest = 2005.6 kg

Initial velocity of the head rest = 4.524 m/s

Final velocity of the head rest =  4.487 m/s

Mass of the dummy = m

Initial velocity of the dummy = -1.005 m/s

Final velocity of the dummy = 9.965 m/s

Then;

(m *  -1.005) + (2005.6 * 4.524 ) = (2005.6 *   4.487) + (m * 9.965)

-1.005m + 9073.33 = 8999.13 + 9.965m

9073.33 - 8999.13  = 9.965m + 1.005m

18072.46 = 10.97m

m = 18072.46/ 10.97

m = 1647.44 Kg

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Answer:

the answer is A. acceleration mom

Explanation:

:)

The correct order of the stages of translation is initiation, elongation, and termination. The process of translation is the second phase of protein biosynthesis.

It includes translating the genetic information coded in DNA into proteins. The translation is processed in ribosomes, which are responsible for assembling amino acids and linking them to form proteins.

The following are the three stages of translation:-

(1) Initiation: It is the first step in the process of translation, in which the mRNA molecule is first bound by a small subunit of the ribosome. This process requires the help of translation initiation factors that bind to the ribosome and the mRNA molecule.

(2) Elongation: In this phase, the ribosome helps to bring in the next amino acid, which is added to the growing polypeptide chain. In this phase, the mRNA is read, and amino acids are linked to create a polypeptide chain.

(3) Termination: When the ribosome reaches the end of the mRNA molecule, a stop codon is recognized, and the polypeptide chain is released. Finally, the small and large subunits of the ribosome detach, and the newly synthesized protein is released.

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Answer:

Natalia is correct.

Explanation:

i got it right when it said natalia

A mass-containing crate must stop with a net effort of 24.63 joules.

When a physical influence called force is imparted to an item, the object accelerates in the direction the force was applied from. The amount of matter that makes up an object is expressed by its mass, which is expressed in kilograms. The rate at which an object's velocity along the same straight line as the unbalanced force changes is known as its acceleration.

Force and Mass

According to the question,

Mass, m = 72 kg

Speed, v = 1.89 m/s

Acceleration due to gravity, g = 9.8

We know,

The force, F = mg

By substituting the values,

       = 72×1.89

      = 136.08 N

By using Equation of motion,

v² = u² + 2gS

(1.89)² = 0 + 2ₓ 9.81 S

3.57 = 19.62 S

S = 3.57 / 19.62

S = 0.181 m

hence,

The work done (W) will be:

= F × S

= 136.08 ₓ 0.181

= 24.63 joule

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Given the statement:

The further away the galaxy is, the ____________ the shift found by the Hubble.

Let's complete the statement.

According the Hubble's brilliant observation, the shift of the galaxy is directly proportional to the distance of the galaxy from the Earth.

This means that as the distance of the galaxy increases, the shift also increase.

Therefore, the further away a galaxy is, the greater the shift found by the Hubble telescope.

ANSWER:

D. Greater

A bullet and a base ball

Objects with a small mass can produce a large acceleration if they experience a large force. This is described by Newton's second law of motion, which states that the acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to its mass.

It's important to note that while these objects can produce a large acceleration, they can also cause significant damage or harm if not handled properly. It's important to always take appropriate safety precautions when working with objects that have the potential to produce large forces and accelerations.

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The statement that counts as an "exception to the rule" in being unusual for our solar system is: "Saturn has no solid surface." Option D is the correct answer.

This refers to  a group that includes one or more suns along with planets, moons, asteroids, comets, and other extraterrestrial object. Our solar system includes one sun and nine planets.

There are nine planets in the solar system. The four inner terrestrial planets are Mercury, Venus, Earth, and Mars, all of which consist mainly of rock. The four outer planets are Jupiter, Saturn, Neptune, and Uranus, giant planets that consist mainly of either gases or ice and Pluto.

While other gas giants in our solar system also lack a solid surface, such as Jupiter, Uranus, and Neptune, it is unusual for a planet to not have a solid surface. The majority of the planets and moons in our solar system have a solid surface, so Saturn's lack of one is exceptional.

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Answer:

The answer is thallium.

Explanation:

Answer:

the answer is 6e+79

Answer:

yea the answer is 6e+79 i did use a couculater though

Explanation:

The D. critical path is a series of events and activities with no slack time.

It is a path that defines the longest duration required to complete a project. It is significant in the project management methodology as it helps the project manager establish a timeline for the project while also identifying the activities that are most critical to the project's completion. If an activity on the critical path takes longer than anticipated, the whole project will be delayed, and if an activity is completed earlier than expected, then it might not be worth it to continue the project, and the client might not be willing to pay for it.

The critical path analysis allows managers to identify and control the critical factors that can impact a project's success, enabling them to focus on the most important areas and make informed decisions about the project. So the correct answer is D. critical path, is a series of events and activities with no slack time.

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The work done on the spelunker by the force lifting them during each stage is,

(a) 718 J

(b) 0 J

(c) -718 J

The kinetic energy is given by, K = (1/2)mv², where m is the mass and v is the velocity. Initially, the spelunker is at rest, so their initial kinetic energy is zero. The final kinetic energy is:

K = (1/2)mv² = (1/2)(73.0 kg)(4.40 m/s)² = 718 J

Therefore, the work done on the spelunker during the acceleration stage is: W = K - 0 = 718 J

The spelunker is lifted at a constant speed, so their kinetic energy remains constant. Therefore, the work done on the spelunker during this stage is zero.

W = 0 J

Finally, the spelunker is decelerated to a stop. The initial kinetic energy is,

K = (1/2)mv² = (1/2)(73.0 kg)(4.40 m/s)² = 718 J

The final kinetic energy is zero. Therefore, the work done on the spelunker during the deceleration stage is:

W = 0 - 718 J = -718 J

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It's important to know that nuclear fusion consists of two nuclei with low mass numbers combining to form a single nucleus with higher mass numbers. On the other hand, nuclear fission is about the opposite phenomena because the atom splits, releasing a great amount of energy.

Answer:

speed

Explanation:

The distance traveled and time, the average speed of an object can be calculated. The correct answer would be option (A).

Average speed is defined as the total distance traveled by an object divided by the total time it took to travel that distance. This is a measure of the overall pace of an object's motion over a period of time.

Instantaneous speed is the limit of the average speed as the time interval approaches zero. In other words, it's the rate of change of an object's position with respect to time at a specific moment.

Average acceleration is defined as the change in velocity (speed in a certain direction) divided by the time interval over which that change occurred. This is a measure of the rate of change of an object's speed over a period of time.

Instantaneous acceleration is the limit of the average acceleration as the time interval approaches zero. In other words, it's the rate of change of an object's velocity at a specific moment.

In summary, with the given information of distance traveled and time, the average speed of an object can be calculated, but the instantaneous speed, average acceleration, and instantaneous acceleration cannot be calculated.

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The complete question would be as:

If the distance an object travels and the time it takes to travel the distance are known, which of the following can be calculated?

A. Average speed

B. Instantaneous speed

C. Average acceleration

D. Instantaneous acceleration

Answer:0

Explanation:

because it ran out when it hit the ground

The equivalent capacitance between points a and b for the combination of capacitors shown in Figure 1 is equal to C1 + C2 + C3 + C4.

The equivalent capacitance between points a and b for the combination of capacitors shown in Figure 1 can be determined by evaluating the capacitances of each individual capacitor and then adding them together. The capacitance of C1 is directly connected between points a and b, so it is simply C1. The capacitance of C2 and C3 are in parallel, so the equivalent capacitance of these two is C2 + C3. Similarly, the capacitance of C4 is in parallel with C2 + C3, so the equivalent capacitance of the combination is C1 + C2 + C3 + C4. Therefore, the equivalent capacitance between points a and b for the combination of capacitors shown in Figure 1 is equal to C1 + C2 + C3 + C4.

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The acceleration a1 of the block when it passes through its equilibrium position can be expressed as: a1 = -a (m/k) where a is the amplitude of the oscillation, m is the mass of the block, and k is the spring constant.


When the block passes through its equilibrium position, the net force acting on it is zero.

At this point, the spring force and the gravitational force cancel each other out. Therefore, the acceleration of the block is also zero at this point.
However, as the block moves away from the equilibrium position, the spring force begins to dominate over the gravitational force and causes the block to accelerate towards the equilibrium position.

The acceleration is directly proportional to the displacement from the equilibrium position and is given by a = -kx/m, where x is the displacement.
When the block reaches the maximum displacement (amplitude) a, the spring force is at its maximum and the gravitational force is negligible. At this point, the acceleration is given by a = -a (m/k).
In conclusion, the acceleration of the block when it passes through its equilibrium position is zero. However, as it moves away from the equilibrium position, the acceleration is given by a = -a (m/k). This expression shows that the acceleration is directly proportional to the amplitude of oscillation, inversely proportional to the mass of the block, and inversely proportional to the spring constant.

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Answer:

A bicycle on the top of the hill has the highest potential energy, and when the bike goes down, it transfers to kinetic because it is moving

Explanation:

yeah

If an air parcel cools adiabatically at the surface with a temperature of 17 °C, the temperature drops by about 10 °C for every 1000 meters of altitude. 500mb is typically about 5500 meters from the surface, so with dry adiabatic cooling the package temperature will be about 17°C - (10°C * 5.5) = -33°C.

On the other hand, if the air parcel is moist and adiabatically cooled, the temperature change will be slower because latent heat is released when the water vapor condenses. The adiabatic temperature drop rate when wet is typically about 6°C per 1000 meters.

However, it is generally cooler than the dry adiabatic decay rate, so for wet adiabatic cooling, the -15°C, -25°C, 0, and -35°C options are possible temperatures for a 500MB package. There is a possibility. . 

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Answer: An orbit cleared of other objects.

There are three basic characteristics that a planet must have. Dwarf planets have two of these characteristics: an orbit and a spherical shape. However, dwarf planet orbits are not cleared of other objects like the orbits of planets.

The coefficient of static friction between the tires and the road is  0.16.

The coefficient of static friction between the tires and the road for the car to safely navigate the curve at the posted speed is calculated as follows;

Static friction = centripetal force

μmg = mv²/r

μ = ( v² ) / ( rg)

where;

The coefficient of static friction between the tires and the road is calculated as follows;

μ = ( 12² ) / ( 95 x 9.8)

μ  = 0.16

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The force the person must exert on the lawn mower to accelerate it from rest to 1.5 m/s m / s in 2.5 seconds, assuming the same friction force, is 18 N.

To calculate the force required to accelerate the lawn mower from rest to 1.5 m/s in 2.5 seconds, we can use the formula:

Force = mass x acceleration

First, we need to determine the acceleration of the lawn mower:

Acceleration = (final velocity - initial velocity) / time
Acceleration = (1.5 m/s - 0 m/s) / 2.5 s
Acceleration = 0.6 m/s²

Next, we need to determine the mass of the lawn mower. Let's assume it has a mass of 30 kg.

Now we can calculate the force required:

Force = mass x acceleration
Force = 30 kg x 0.6 m/s²
Force = 18 N

Therefore, the person exerting a force of 18 N is required to accelerate the lawn mower from rest to 1.5 m/s in 2.5 seconds, assuming the same friction force.

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