Please help!! I'll name you brainliest!!

Answer:

ability to react with oxygen

Answer:

5m/s

Explanation:

p=mv, or momentum (p) is equal to mass (m) times velocity (v).

so:

m=5Kg

p=25Kgm/s

v=p÷m

v=25÷5

v=5m/s

hoped this helped :)

Answer:

5hrs

Explanation:

Mass•Accelleration=Momentum (5kg•5hrs=25Mps)

Mass÷Momentum=Accelleration (25Mps÷5kg=5hrs)

Answer:

Tellurium

Explanation:

Answer:

Tellurium

Explanation:

Answer:

it is the Hubble law

Explanation:

Hubble's law, also known as the Hubble–Lemaître law, is the observation in physical cosmology that galaxies are moving away from the Earth at speeds proportional to their distance. In other words, the farther they are the faster they are moving away from Earth.

Answer:

The hubble law

is the observation in physical cosmology that galaxies are moving away from the Earth at speeds proportional to their distance. In other words, the farther they are the faster they are moving away from Earth.

Answer:

[tex]40 + 37 + 33 + 25 + 20 \div 5 = 155 \div 5 = 31[/tex]

Answer:

Or you could just say 31 :)

Explanation:

Answer:

False

Explanation:

The internet uses various mediums (fibre optic being only one of the newer ones) to transfer information.

A .

Explanation:

Tiny water drops hovering in the air are called fog. Fog is like a cloud, but it is near the ground, not high in the sky. Thick fog makes it difficult to see the surrounding landscape

we have that from the Question"which of these might be carried by the wind, which causes the weathering of rocks? " it can be said that  

From the Question we are told

which of these might be carried by the wind, which causes the weathering of rocks?

A. fog

B. mud

C. pollen

D. sand

Generally

Therefore

Which of these might be carried by the wind, which causes the weathering of rocks will be

Option C

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Answer:

CO2 has a higher solubility in cold water

Explanation:

The solubility of gases decreases with increasing temperature,  the cold water will take up more CO2 and less will be escaping to the air. Furthermore, cold water is denser than warm water, causing it to sink.

Answer:

The answer is "36 grams".

Explanation:

In this question, the weight of the ball is not mentioned but is the weight of the cookies is declared, which is equal to 36 grams, and all the cookies are squeezes into the ball and after that, it calculates the overall weight so, let assume that ball weight is =0 and then the overall weight is:

[tex]=\text{weight of ball + cookies weight}\\\\=0+36 \ grams \\\\=36 \ grams[/tex]

[tex] \sf{• \: Power \: (P) = 60 \: w}[/tex]

[tex] \sf{• \: Resistance \: (R) = 880 \: Ω}[/tex]

[tex] \\ [/tex]

[tex] \sf• \: The \: Current \: (I).[/tex]

[tex] \\ [/tex]

[tex] \huge\bf{ \underline{ Solution :- }}[/tex]

[tex] \sf We \: know \: that,[/tex]

[tex] \bf \red {\bigstar{ \: P = I^{2} R}}[/tex]

[tex] \rightarrow \sf 60 = I^{2} \times 880[/tex]

[tex] \rightarrow \sf \frac{60}{880} = I^{2} [/tex]

[tex] \rightarrow \sf I^{2} = 0.0681[/tex]

[tex] \rightarrow \sf I = \sqrt{0.0681}[/tex]

[tex] \rightarrow \sf I = 0.261 \: \: (approx.)[/tex]

[tex] \\ [/tex]

[tex]\bf The \: \: value \: \: of \: \: I \: \: is \: \: 0.261 \: \: Amps. \: \: (approx.)[/tex]

Answer: 13720

Explanation: the equation is....

Answer:

400Pa

Explanation:

The question asks for you to substitiute in known values into the formula to solve for pressure which is calculated through force/area

in this instance

force=300N

area=0.75m^2

substitute in the values and solve for pressure

300/0.75=pressure

pressure=400Pa (the si unit for pressure is Pa or pascal)

Answer:

So, if a wave hits a mirror at an angle of 36°, it will be reflected at the same angle (36°). ... An incident ray of light hits a plane mirror at an angle and is reflected back off it. The angle of reflection is equal to the angle of incidence. Both angles are measured from the normal.

Explanation:

Answer:

Explanation:

C goes to 1

D goes to 3

B goes to 4

A goes to 2

Answer:

v=m/s m=v.s -1*3= -3 meter/second

The velocity of the elevator after 3 seconds will be equal to 3 m/s.

We have three equations of motion that can be used to calculate components such as displacement(s), initial (u) and final velocity (v), time(t), and acceleration(a). The expressions for the three equations of motion are as follows:

First Equation of Motion :

v = u + at

Second Equation of Motion :

S = ut + (1/2) at²

The third equation of motion is:

v² - u² =2aS

Given, the initial velocity (u) of the elevator is zero as the elevator is at rest initially.

The acceleration of the elevator, a = -1 m/s² moving downward.

The  final velocity of the elevator after 3 seconds will be:

v = u + at

v = (0) + (-1 m/s²) (3 s)

v = - 3 m/s

Therefore, the velocity of the elevator after 3 seconds will be equal to 3 m/s in the downward direction.

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Answer:

True.

Explanation:

A diode, which allows current to flow in one direction only, consists of two types of semiconductors joined together.

A semiconductor can be defined as a crystalline solid substance that has its conductivity lying between that of a metal and an insulator, due to the effects of temperature or an addition of an impurity. Semiconductors are classified into two main categories;

1. Extrinsic semiconductor.

2. Intrinsic semiconductor.

An intrinsic semiconductor is a crystalline solid substance that is in its purest form and having no impurities added to it. Examples of intrinsic semiconductor are Germanium and Silicon.

In an intrinsic semiconductor, the number of free electrons is equal to the number of holes. Also, in an intrinsic semiconductor the number of holes and free electrons is directly proportional to the temperature; as the temperature increases, the number of holes and free electrons increases and vice-versa.

In an intrinsic semiconductor, each free electrons (valence electrons) produces a covalent bond.

Answer:

ELASTIC collision

kinetic energy is conservate

Explanation:

As the ball bounces to the same height, it can be stated that the impact with the floor is ELASTIC.

As the floor does not move the conservation of the moment

            po = pf

            -mv1 = m v2

- v1 = v2

So the speed with which it descends is equal to the speed with which it rises

Therefore the kinetic energy of the ball before and after the collision is the same

Answer:

CORRECT (SELECTED)

It is elastic since kinetic energy was conserved.

Explanation:

Answer:

b

Explanation:

in this condition the atom is not stable so in order to become stable ( trying to have the last energy level completely filled like the Nobel gases) it tends to lose or gain or share the electrons and that debend on its condition . I hope that's the right answer

Answer:

2 m/s

Explanation:

Answer:

Do it yourself

Explanation:

gsh

Answer: cool and dim :)

Explanation:

Answer:

  about 602 milliseconds

Explanation:

The motion can be approximated by the equation ...

  y = -4.9t^2 -22.8t +15.5

where t is the time since the arrow was released, and y is the distance above the ground.

When y=0, the arrow has hit the ground.

Using the quadratic formula, we find ...

  t = (-(-22.8) ± √((-22.8)^2 -4(-4.9)(15.5)))/(2(-4.9))

  = (22.8 ± √823.64)/(-9.8)

The positive solution is ...

  t ≈ 0.60195193

It takes about 602 milliseconds for the arrow to reach the ground.

Answer:

The time for both of the balls to reach the ground would be the same.

Explanation:

If no air resistance is present, the rate of descent depends only on how far the object has fallen, no matter how heavy the object is. This means that two objects will reach the ground at the same time if they are dropped simultaneously from the same height. ... In air, a feather and a ball do not fall at the same rate.

Answer:

the impulse experienced by the egg is 0.053 kgm/s.

Explanation:

Given;

mass of the egg, m = 60 g = 0.06 kg

initial velocity of the egg, u = 6 m/s

height moved by the egg, h = 50 cm = 0.5 m

Determine the final velocity of the egg as it moves upward;

v² = u² + 2(-g)h

v² = u² - 2gh

where;

v is the final velocity

-g is negative acceleration due gravity as it moves upward

v² = 6² - 2(9.8 x 0.5)

v² = 26.2

v = √26.2

v = 5.12 m/s

The impulse applied to the egg is the change in linear momentum;

J = ΔP

ΔP = mu - mv

ΔP = m(u - v)

ΔP = 0.06(6 - 5.12)

ΔP = 0.053 kgm/s

Therefore, the impulse experienced by the egg is 0.053 kgm/s.

Answer:

Maximum Height

Explanation:

The maximum height is the highest point reached by a projected body. At this point, final velocity, v of the body is equal to 0; because upward motion is at its peak and the body start to fall again.

Hence, final velocity v is always 0 at this maximum point and the direction of motion changes from upward to downward.

Final velocity at this maximum height is zero because of the directional change experied by the object and the fact that upward motion of the body terminates at this point.

Answer:

fif = 0.01 x 5000 = 50 N

Explanation:

u=150 m/s

v=0

m-10 y =0.01 kg

t=0.03s

s

v=utat

o= 150+a (0.03)

therefore a= -5000 m/s power 2

v power 2 = u power 2 + 2as

0=150 power 2+ 2 x (-5000) x s

therefore f=2.25 m

Answer:

W>R...............

Explanation:

.........................

Yes

Answer:

58.933195 u or 59 u

Explanation:

Atomic mass of cobalt is 58.933195 u