Define the problem. Look around your house or outside. Is there anything that you're wondering about or have questions about?

Answer:

injecting

Explanation:

I guess a missile?

A bird is not a projectile, a ball isn't really, and an airplane isn't, so, yeah.

?:]

Answer:yes

Explanation:

ice melter because it causes freezing point depression.This means that salt helps in lowering the freezing point.

Answer:New technology can provide cleaner energy for the environment

Can also help clean the environment.

Explanation:

Which option is potentially environmental benefit of adopting a new technology?

Answer:D

Explanation:

The characteristic shared by extrusions, intrusions, and faults is  all are younger than surrounding rocks.

The correct option is fourth.

Extrusion is a process of extruding.

Intrusion is the process of intruding. The forced entry of molten rock or magma into two different rock formations. It is also the intruded magma.

The movement of magma over the surface of the Earth coming out through volcano craters and cracking in the earth's crust forms igneous rock.

The characteristic shared by extrusions, intrusions, and faults is  all are younger than surrounding rocks.

The surrounding rocks are already present. After that the entry of magma occurs which forms new rock. So, in age surrounding rocks are older than the middle.

Thus, the correct option is fourth.

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Answer:

Average force = 3.5 kN

Explanation:

Given:

Mass of Jennifer (m) = 50 kg

Initial velocity = 35 m/s

Time taken to stop body = 0.5 s

Find:

Average force

Computation:

v = u + at

0 = 35 + a(0.5)

Acceleration (a) =  - 70 m/s² = 70 m/s²

Average force = ma

Average force = (50(70)

Average force = 3500 N

Average force = 3.5 kN

Answer:

measurement of force amplification

Answer:

CAN'T UNDERSTAND YOUR QUERY

Explanation:

What is your qurey. plz explain properly.

Answer: a, they are membrane proteins

Explanation:

Awnser A is the correct awnser

Answer: 114.543 i think

Answer:

1 millicoulomb = 1000000 nanocoulombs.

Explanation:

The SI unit for electric charge is Coulomb.

1 coulomb = 1000000000 nC (nanocoulombs)

1 coulomb = 1000 mC (millicoulombs)

Answer:

b

Explanation:

[tex]\sf{\pink{\underline{\underline{\blue{GIVEN:-}}}}}[/tex]

[tex]\sf{\pink{\underline{\underline{\blue{TO\: FIND:-}}}}}[/tex]

[tex]\sf{\pink{\underline{\underline{\blue{SOLUTION:-}}}}}[/tex]

⚡ Let [tex]\rm{\vec{a}}[/tex] and [tex]\rm{\vec{b}}[/tex] are the two vectors .

✍️ We have know that,

[tex]\orange\bigstar\:\rm{\pink{\boxed{\green{\vec{a}\:.\:\vec{b}\:=\:ab\cos{\theta}\:}}}}[/tex]

Where,

[tex]\rm{\implies\:\vec{a}\:.\:\vec{b}\:=\:ab\cos{90^{\degree}}\:}[/tex]

[tex]\rm{\implies\:\vec{a}\:.\:\vec{b}\:=\:ab\times{0}\:}[/tex]

[tex]\rm{\implies\:\vec{a}\:.\:\vec{b}\:=\:0\:}[/tex]

[tex]\rm{\red{\therefore}}[/tex] [1] The dot product of two vectors is “ 0 ” .

✍️ We have know that,

[tex]\orange\bigstar\:\rm{\pink{\boxed{\green{\vec{a}\:\times\:\vec{b}\:=\:ab\sin{\theta}\:}}}}[/tex]

Where,

[tex]\rm{\implies\:\vec{a}\:\times\:\vec{b}\:=\:ab\sin{90^{\degree}}\:}[/tex]

[tex]\rm{\implies\:\vec{a}\:\times\:\vec{b}\:=\:ab\times{1}\:}[/tex]

[tex]\rm{\implies\:\vec{a}\:\times\:\vec{b}\:=\:ab\:}[/tex]

[tex]\rm{\red{\therefore}}[/tex] [2] The cross product of two vectors is “ ab ” .

the dot and cross product will become zero if the angle becomes 90°

hope it helps you...

#from india ✌✌✌

Answer:

Abiotic factors include water, sunlight, oxygen, soil and temperature. Water (H²0) is a very important abiotic factor - it is often said that "water is life." All living organisms need water. Plants must have water to grow.... Without the sun, plants could not live, and without plants, animals could not live!

Explanation:

*Hope this helps*

Answer:

E. An object’s velocity changes at a constant rate, and its acceleration remains constant.

Explanation:

When an object is in freefall, it implies that the object is falling freely under gravity. If it falls towards the earth surface, the fall is in the direction of the Earth's gravitational force.

At the point of release of the object, its initial velocity is zero because it is at rest. But when released, its velocity increases at a constant rate until it is acted upon by an external force. But its acceleration remains constant, acceleration due to gravity.

Answer:

Explanation:

According to the NASA, astronomers can estimate how old the universe is by comparing the age of the oldest stars and the rate of expansion of the universe. The rate of expansion of the universe is based on the Big Bang theory and it states that our universe is continuously expanding since it first developed. Astronomers measure Cosmic Microwave Background radiation resulting from the Big Bang.

Answer:

Patterns of background radiation

Explanation: well astronomy states that they are able to tell by the radiation gaps

Answer:

A remote-controlled, pilot-operated _Relief__ valve is type of pilot-operated relief valve that uses one or more external pilot valves to set the pressure at which the relief valve will open.

Answer:

precise

Explanation:

usatestprep

The degree of agreement between two or more measurements is what is referred to as a substance's precision. Your measurement is incredibly exact, but not necessarily correct if you weigh the same substance five times and obtain 3.2 kg each time.

The level of agreement between measurements of the same thing is known as precision. Accuracy is not necessary for precision. In other words, it is possible to be accurate without being exact, as well as to be highly precise but not particularly accurate.

As was mentioned before, you can be extremely exact but inaccurate. You can also be precise while being inaccurate. For instance, you have accuracy without precision if, on average, your measurements for a specific substance are close to the known value, but the measurements are far apart.

Therefore, The standard deviation, or the amount and frequency of measurement variation, is what determines precision. A high standard deviation indicates low precision, according to the metric.

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Look at this table. Accleration of gravity means gravitational constant.

Answer: A-B-C-E-G-K-H-I

Explanation:

Ok, we start at A.

16 pints = x gallons.

We know that:

1 pint = 0.125 al

then:

16pint = 16*(0.125gal) = 2 gal.

The second letter is B.

Now we have:

12,320 yd = X mi

And we know that:

1 mi = 1760 yd.

Then 12,320yd = (12,320/1760) mi = 7mi

the letter is C.

Now we have:

432 cups = X gals

and:

1 cup = 0.0625 gal

then 432 cups = 432*(0.0625 gal) = 27 gal.

The next letter is E.

Now we have:

1/4 ton = X pounds.

And 1 ton = 2000 pounds

then 1/4 ton = (1/4)*2000 pounds = 500 pounds

The next letter is G.

Now we have:

3.5 gal = X ounces.

and we know that:

1 gal = 128 oz

Then:

3.5 gal = 3.5*(128oz) = 448oz

The next letter is K.

Now we have:

1/2 day = x minutes.

and we know that:

1 day = 24*60 min = 1440 min

then 1/2 day = (1/2)*1440 min = 720 min.

The next letter is H.

Now we have:

360 in = x yd

And we know that:

1yd = 36 inches.

then 360 in = (360/36) = 10 yd.

The next letter is I

Now we have:

56 cups = x quarts.

and we know that;

1cup = 0.25 quart

then: 56 cups = 56*0.25 quart = 14

So here this ends.

Then the code is:

A-B-C-E-G-K-H-I

Answer:1.3 m/s north

Explanation:

just did it on apex

Answer:

Purplemath

The first term in the binomial is "x2", the second term in "3", and the power n is 6, so, counting ... x12 + 18x10 + 135x8 + 540x6 + 1215x4 + 1458x2 + 729 ... So memorize the Theorem and get the easy points.

Answer:

the distance of the center of gravity of the stick from

Δ = 5 cm to make it equilibrium or balance.

Explanation:

         100 g

______Π___________________________________)

             |<--- 15-----Δ--- x--->|

weight of stick (w) = 300 g acting on center with x distance from support Δ.

to get the x distance to make stick and a block balance, take moment from support.

ΣM at Δ = 0

0 = 100 (15) - 300(x)

0 = 1500 - 300x

300x = 1500

x = 1500 / 300

x = 5

therefore, the distance of the center of gravity of the stick from Δ = 5 cm

                  to make it equilibrium or balance.

Answer: he did travel 15 meters.

Explanation:

We have the data:

Acceleration = a = 1.2 m/s^2

Time lapes = 3 seconds

Initial speed = 3.2 m/s.

Then we start writing the acceleration:

a(t) = 1.2 m/s^2

now for the velocity, we integrate over time:

v(t) = (1.2 m/s^2)*t + v0

with v0 = 3.2 m/s

v(t) = (1.2 m/s^2)*t + 3.2 m/s

For the position, we integrate again.

p(t) = (1/2)*(1.2 m/s^2)*t^2 + 3.2m/s*t + p0

Because we want to know the displacementin those 3 seconds ( p(3s) - p(0s)) we can use p0 = 0m

Then the displacement at t = 3s will be equal to p(3s).

p(3s) = (1/2)*(1.2 m/s^2)*(3s)^2 + 3.2m/s*3s = 15m

Explanation:

Fnet = ma.

Assume that there is no resistance acting on the mass. Therefore a = 15N / 45kg = 0.33N/kg or 0.33m/s^2.

Answer:

Yes

Explanation:

Answer:101.325 kilopascals

Explanation:

Answer:

K.E=?

Mass=7.56 kg

Velocity=2m/s

Solution::

K.E = 1/2mv^2

K.E=0.5*7.56*(2)^2

K.E= 0.5*7.56*4

K.E=15.12 joules.

Answer:

Explanation:

There are only two possible situations if the motion of an object has an acceleration of 0 m/s²,

Either the object is at rest or the object is moving at a uniform velocity

The rate of change of the velocity with respect to time is known as the acceleration of the object. Generally, the unit of acceleration is considered as meter/seconds².

As we know the rate of change of velocity is known as acceleration

acceleration =change in velocity/change in time

As given in the problem statement the motion of an object has an acceleration of 0 m/s²

Considering that every moving particle has zero overall acceleration. The particle will then experience zero overall applied force.

Newton's first law states that if all forces acting on a moving object are equal to zero, the object will be traveling in a straight line at a constant speed.

When there is no acceleration, the particle's motion will continue in the same direction. Additionally, the particle's velocity will not remain constant if the direction of motion changes.

Thus, If an object's motion has an acceleration of 0 m/s², there are only two possible outcomes: either the object is at rest or it is moving at a constant speed.

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Answer:

a) 12614.4 m^3

b) 28.8 m

Explanation:

The complete question is

Four astronauts are in a spherical space station. (a) If, as is typical, each of them breathes about 500 cm^3 of air with each breath, approximately what volume of air (in cubic meters) do these astronauts breathe in a year? (b) What would the diameter (in meters) of the space station have to be to contain all this air?

The average breathing rate is 12 breaths per minute

there are 60 minutes x 24 hours x 365 days in a year = 525600 minutes in a year

if an average human takes 12 breath per minute, then in a year an average human take 12 x 525600 = 6307200 breath

For the four astronauts, the amount of breath = 4 x 6307200 = 25228800 breath in total.

The volume of air per breath = 500 cm^3

1 cm^3 = 10^-6 m^3

500 cm^3 = [tex]x[/tex] m^3

[tex]x[/tex] = 500 x 10^-6 = 5 x 10^-4 m^3

Therefore in a year, the volume of these astronauts breath in a year = 5 x 10^-4 x 25228800 = 12614.4 m^3

b) If the space station is spherical, the volume will be given as = [tex]\frac{4}{3} \pi r^3[/tex]

where r is the radius of the space station

This volume of the space station must be able to contain all the volume of breath produced by the astronauts which is = 12614.4 m^3

Equating, we have

12614.4 = [tex]\frac{4}{3} \pi r^3[/tex]

12614.4 = [tex]\frac{4}{3}*3.142*r^3[/tex]

12614.4 = 4.1893[tex]r^{3}[/tex]

[tex]r^{3}[/tex] = 12614.4/4.1893 = 3011.1

r = [tex]\sqrt[3]{3011.1}[/tex] = 14.4 m

diameter of the space station = 14.4 m x 2 =  28.8 m

Answer:A and C

Explanation:

Answer:

a

Explanation: