Calculate the slope of the line on the graph.

Answer:

Biology is the study of living organisms. Physics is the study of matter and the laws of nature to understand the behavior of matter and the universe.

Answer:

spin the weals on the train

Explanation:

Answer:

c

Explanation:

i took the test

Answer:

Meter

Explanation:

I'd say meters, cause it's the SI unit of length,

which is a Derived Quantity.

Answer:

chemical change

Explanation:

Answer:

d = 108 m

Explanation:

Given that,

Initial speed, u = 0

Mass of the boat, m = 600 kg

Time, t = 12 s

Force on boat, F = 900 N

Firstly, we can find the acceleration of the boat using formula, F = ma

[tex]a=\dfrac{F}{m}\\\\a=\dfrac{900\ N}{600\ kg}\\\\a=1.5\ m/s^2[/tex]

Let it will travel d distance. Using second equation of motion to find it as follows :

[tex]d=ut+\dfrac{1}{2}at^2\\\\d=0+\dfrac{1}{2}\times 1.5\times (12)^2\\\\d=108\ m[/tex]

So, the boat will travel 108 m.

Answer:

the heat is growing the particles bigger

Explanation:

Answer:

c

Explanation:

i think communication net

The term given to telecommunication networks is Cyberspace. The correct option is d.

Telecommunications network, an electronic network of links and switches, as well as the controls that govern their operation, that enables data transfer and exchange between multiple users. network of communication

A telecommunications network is a collection of nodes linked together by telecommunications links that allow the nodes to exchange messages.

To transmit messages and signals, the links may employ a variety of technologies based on circuit switching, message switching, or packet switching methodologies.

The Internet, telecommunications networks, computer systems, and embedded processors and controllers are all part of a global domain within the information environment. Telecommunication networks are referred to as Cyberspace.

Thus, the correct option is d.

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Answer:

Please find the answer in the explanation

Explanation:

Given that a light bulb will glow when electrons flow through it. As the electron flow increases, the brightness increases as well. A student hooks up two circuits containing three light bulbs in each circuit. In one circuit the lights are connected in series and in the other circuit the lights are hooked up in parallel.

If you could only see the lights in the circuit and the wires were covered up, how could you tell the type of circuit?

The type of the circuit can be determined if you loose or unscrew one light bulb, all other bulbs will be switched of if connected in series. But if the others remain on it is a parallel circuit.

Answer:

B

Explanation:

Gravity is when objects are pulled down to earth

Answer:

When the mass is drawn upwards and let go, the force of gravity accelerates it,

Explanation:

if you send me the video i can give you a better answer its just hard without seeing it

11

Explanation:

There are 11 protons in a sodium atom

Answer:

(a). The distance is 207 m.

(b). The initial velocity is 45.0 m/s

(c). The maximum height is 103.3 m

Explanation:

Given that,

Time = 4.60 s

We need to calculate the initial velocity

Using equation of motion

[tex]v=u-gt[/tex]

Put the value into the formula

[tex]0=u-9.8\times4.60[/tex]

[tex]u=45.0\ m/s[/tex]

We need to calculate the distance

Using formula of distance

[tex]d=v\times t[/tex]

Put the value into the formula

[tex]d=45\times4.60[/tex]

[tex]d=207\ m[/tex]

We need to calculate the maximum height

Using equation of motion

[tex]v^2=u^2-2gh[/tex]

Put the value into the formula

[tex]0=(45.0)^2-2\times9.8\times h[/tex]

[tex]h=\dfrac{(45.0)^2}{2\times9.8}[/tex]

[tex]h=103.3\ m[/tex]

Hence, (a). The distance is 207 m.

(b). The initial velocity is 45.0 m/s

(c). The maximum height is 103.3 m

Answer:

I can't read it if you zoom in its still blurry

Explanation:

read the question to me and I'll try to answer it thx

Answer:

Answer:

480cm or 0.48m

Explanation:

Given parameter:

Speed of the train = 8cm/s

time of travel = 1minute

Unknown:

Distance traveled = ?

Solution:

Speed is the rate of change of distance with time. This suggests that mathematically;

         Speed =  

       Distance covered = speed   x   time

Now to solve for the distance;

 Convert the time to seconds;

             60seconds = 1 minute

 Distance covered = 8cm/s  x 60s = 480cm

Distance covered is 480cm or 0.48m

Answer:

-6

Explanation:

a=vf-vi/t

vf=0

so that we you subtract vf to vi it will be -30/5=-6

Sound moves faster in warmer air than colder air the way bends away from the warm air and back towards of air.

Answer:

Sound travels slower in cold temperatures than in hot temperatures because the particles in cold air are more closely compacted together and move slower compared to the particles of hot air. Thus the sound, vibrations of particles in the atmosphere, will travel slower.

Answer:

B mate

Explanation:

Answer:

c) billions

Explanation:

there are more than 0 stars, because our sun is a star

and  there are more than one because the milky way has a lot of suns

there aren't infinite because the milky way is finite it has some volume and even you made the smallest star possible you wouldn't have infinite stars

so the only option is billions

Answer: A,B, and E

Explanation: Just checked I got them right:)

Answer:

waves

Explanation:

The correct word that completes the statement is that radiation transfers thermal energy in the form of waves. So, option A is correct.

Radiation is the movement of atomic and subatomic atoms as well as waves, like those that define X-rays, heat rays, and light rays. Radiation of both types, from cosmic and earthly sources, is constantly being thrown at all matter. The qualities and behavior of radiation, as well as the matter it interacts with, are outlined in this article, which also explains how energy is transmitted from radiation to its environment.

The effects of such an energy conversion to living things are given a lot of consideration, including how many aspects of life—such as photosynthesis in plants and sight in animals—are affected normally as well as any abnormal or harmful effects that may arise from exposing organisms to radiation of unusual types or to radiation doses that are higher than those found in nature.

Therefore, in radiation, the energy transfer through waves.

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Answer:

30-N

Explanation:

Because they are both acting on an object going opposite directions, then you simply subtract the 15 from 45 as 45N of force is stronger than 15N of force.

The net force on the object is 30 Newton due to these two opposite forces.

The definition of force in physics is: The push or pull on a massed object changes its velocity. An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude.

A spring balance can be used to calculate the Force. The Newton is the SI unit of force.

Here, a 15-N force and a 45-N force act on an object in opposite directions.

The net force on the object  due to these two opposite forces is = 45 N - 15 N

= 30 N.

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Answer:

Is there any thing miss from the question

Answer:

C. The symbol of each element in the substance

Explanation:

The chemical formula of a compound is a representation which shows the elements therein and the mole relationship between them expressed as subscripts.

Answer:

As the projectile starts it’s motion from a vertical height at y=10m, it’s vertical motion may be described as under-

y= 10+ut-0.5gt^2

Where “u” is initial vertical velocity

= 45 sin60,

“g” is acceleration due to the gravity (10m/sec^2)

and “t” is time.

When the projectile touches the ground the vertical height “y”=0

Therefore the time “t” taken for the flight of the projectile till it touches the ground may be calculated from the above equation when y=0 as under -

0= 10+45sin60 x t- 0.5x10 t^2

0= 10+45x (√3/2)x t-5 t^2

t^2-9x (√3/2)x t-2 =0

t= [4.5√3 + √(243/4+4)]/2

t=[7.794+ 8.047]/2

t= 7.92 sec.

The horizontal distance travelled during this time=

vt

Where “v” is horizontal velocity = 45 cos60.

Therefore,

vt =45cos60 x 7.92

= 45x0.5x7.92

= 178.2 m