A car moving on a straight level road changes its speed from Find its acceleration . (3 pts ) 3.5 m/s to 4.5 m/s in 5.00 seconds .

Answer:

5 remainder 5

Explanation:

divide 120 by 2.3

To calculate the time it would take for information to travel a certain distance along a neuron, you can use the formula: Time = Distance / Speed.

Given that the information travels at 120 meters per second and the distance is 2.3 meters:

Time = 2.3 m / 120 m/s

Time ≈ 0.019167 seconds

To convert seconds to milliseconds, multiply by 1000:

Time in milliseconds ≈ 0.019167 s * 1000 ms/s ≈ 19.167 ms

So, it would take approximately 19.167 milliseconds for the information to travel 2.3 meters along a neuron.

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Answer:

im in hardvard dont cheat and get good grades and become a graduate

it is c

Explanation:

Answer:

10m

Explanation:

Answer:

an exothermic process and the change in enthalpy, ΔH, will be a negative number

Water is turned into ice cubes in a freezer is an example of an exothermic process.

An exothermic process can be described as a thermodynamic process or reaction that releases energy from the system to its surroundings, usually in the form of heat, light, or sound.

While an endothermic process is an opposite of an exothermic process where the heat absorbs energy usually in the form of heat. In the physical sciences of chemical reactions, the chemical bond energy is changed into thermal energy (heat).

In exothermic reactions, the heat that is liberated by the reaction occurs the form of the kinetic energy of molecules. The transition of electrons from one energy level to another leads light to being released. This light is equal to the stabilization energy of the energy for chemical reaction.

The freezing of water is an exothermic process as the water becomes solid it releases energy to the surroundings.

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Answer:

Large-diameter pipelines can be used to convey water over large distances, while smaller-diameter pipelines can be used to provide bulk or individual supplies at the point of use. Aqueducts are canals used to bring water from a river or reservoir to a water distribution center.

Explanation:

Answer:

a)15m/s

b)7.5m/s

Explanation:

a)use the formula for acceleration

b)calculate distance then calculate speed

Explanation:

according to my sensation : its distance traveled is 24km and time is 6 days.

therefore, the speed is = 24km/6day = 4km/day.( first option)

hope this helps you.

Answer:

because it is not nesscery

Explanation:

We have that  the final velocity of a ball thrown downward at 10 m/s after 2 seconds is

V=29.6m/s

From the question we are told

What is the final velocity of a ball thrown downward at 10 m/s after 2 seconds?

Where

Generally the Newton's equation for Motion   is mathematically given as

[tex]V=U+at\\\\V=U+gt\\\\V=10+9.8*2\\\\V=29.6m/s[/tex]

Therefore

the final velocity of a ball thrown downward at 10 m/s after 2 seconds is

V=29.6m/s

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Answer:

127.4 newtons

Explanation:

Assuming g = 9.8:

F = ma = 13(9.8) = 127.4 N

The force of a 13 Kilogram ball that has been dropped and has fallen for 1 second, then the force offered by the ball would be 127.53 Newtons.

Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum.

As given in the problem we have to find the force of a 13-kilogram ball that has been dropped and has fallen for 1 second,

The force of the dropped ball = mass of the ball × acceleration due to gravity

The force of the dropped ball = 13 × 9.81

                                                  = 127.53 Newtons

Thus , the force of a 13kg ball that has been dropped and has fallen for 1 second would be 127.53 Newtons.

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Answer:

 I think the anwser is (C)

Explanation:

Answer:

Density of liquid (ρ)

Depth of liquid (h)

Acceleration due to gravity (g)

Explanation: Pressure within a liquid depends only on the density of the liquid, the acceleration due to gravity, and the depth within the liquid.

Answer:

depth

height

acceleration due to gravity

Answer:

United states creates the most waste per person

sound is caused by vibrations

Answer:

Vibrations

Explanation:

Sounds are produced by vibrations.

Sound travels as waves, which in turn create other particles to vibrate creating vibrating particles and change sound.

Sound waves are reflected by surfaces.

Answer:

eye ,mouth,and,ears face

Answer:

knee, elbow, and wrist

Explanation:

Answer:

Good conducters of heat and electricity. High melting points. high density. malleable. Ductile.

Explanation:

Answer: We need the referenced table to discern which isotopes are likely to be found.  But there is still an interesting piece of information.

Explanation:

An interesting story behind the US penny.  It has been around since 1787 and consisted of primarily a copper, or copper-plated coin.  In 1982 the design was changed, due to the high price of copper.  A zinc core was copper plated to have the same appearance, but less expensive composition.  If one of these pennies is slightly filed to expose the zinc, it can be placed in a strong acid that will react with and dissolve the zinc core.  Fun, but a waste of money.

Answer:

in the penny Cooper(Cu),un the nickel nickel(Ni),in both Cooper(Cu)

Explanation:

Answer:

this is only there definition

Explanation:

☺️

Answer:

V = d/t = 20

20=d/4 so d = 80

Answer:

B. fitness goal I believe. please like this, I need points. ty!

Explanation:

Answer:

because one the moon just resets and the other is a whole other thing

l=500m

speed=70m/s

t=?

t=500/70=7.14s

The scaled diameters of the missing planets are listed below:

Mercury                      1.4 cm

Venus                        3.3 cm

Mars                           1.9 cm

Jupiter                     39.2 cm

Saturn                      33.1 cm

Uranus                     14.0 cm

Neptune                  13.6 cm

In this question we must use conversion factor to calculate the scaled diameters by means of the following direct relationship:

d = k · D     (1)

Where:

The conversion factor is found by using the real and scaled diameter of the Earth:

k = 3.5 cm/12,756 km

k = 7/25512 cm/km

Then, we determine the scaled diameters of the rest of planets:

Mercury                      1.4 cm

Venus                        3.3 cm

Mars                           1.9 cm

Jupiter                     39.2 cm

Saturn                      33.1 cm

Uranus                     14.0 cm

Neptune                  13.6 cm

The statement reports a table with numerous mistakes, the correct table is shown below:

Planet               Diameter (km)             Scaled Diameter (cm)

Mercury                  4,879

Venus                    12,104

Earth                      12,756                                    3.5

Mars                        6,792                                    

Jupiter                 142,984

Saturn                120,536

Uranus                    51,118

Neptune               49,528

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Answer:

0.00278 km/sec2 or 36,000 km/hr2 .

Explanation:

The size and aperture of the telescopes determine its ability to gather light

and reveal details.

A) Observatory X can detect dimmer stars and Observatory Y reveals more

details.

Reasons:

The benefits of using several small telescopes included the production

high resolution images of bright objects such as binary stars that reveal

more details similar to a telescope with a very large aperture, with a

process known as interferometry, through which a star's diameter can be

determined.

The benefit of a large telescope is its ability to gather light from a source,

thereby making possible to detect a dim light source, such as dimmer

stars.

Therefore;

The single large telescope in observatory X can detect dimmer stars while

the interferometer consisting of five 10-meter telescopes, spread out over a

region 100 meters across can see more detail in its images.

The correct option is; A) Observatory X can detect dimmer stars and

Observatory Y reveals more details.

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Question options:

A) Observatory X can detect dimmer stars and Observatory Y reveals more

details.

B) Observatory Y can detect dimmer stars and Observatory X reveals more

details.

C) Observatory X both detect dimmer stars and reveals more details

D) Observatory Y both detect dimmer stars and reveals more details

Answer:

Explanation:

5. Fill in the blanks with either "More," "Less," or "The Same."

a) If an object has more mass than another object, it will accelerate_less____

b) In order to accelerate an object more, one would need to apply_more____ force.

c) If an equal force is applied to two different objects, the less massive object will accelerate_more___

The answer is less, more and more.

If an object has more mass than another object, it will accelerate less. In order to accelerate an object more, one would need to apply more force. If an equal force is applied to two different objects, the less mass of an object will accelerate more

The acceleration of an object depends directly on the force acting upon the object, and inversely on the mass of the object.

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