Why does Earth's moon have no atmosphere? A. The average temperature is too high.
B. There are no plants to release oxygen.
C. The moon is too far away from Earth.'
D. The moon's gravity is too weak t hold onto gas molecules

Answers

Answer 1

Answer: You can eliminate the answer A because the moon is super cold
For answer B, atmosphere is contained of gasses, not just oxygen alone
Definitely not C
The answer is D because the moon's gravity isn't strong enough to hold the gasses, as a result, only a small amount of gasses has an attraction to it ( the moon has a little atmosphere though) but not enough to be considered

Answer 2

Answer:

The moon does not have an atmosphere hence it has no magnetic field and is too small to have an atmosphere. Another reason why is because the moon has a weak gravitational field. Gravity helps the moon hold on to its atmosphere, the moon is small leaving no atmosphere on the moon.

Your answer is D. The moon almost has no gravity thus it cannot hold onto the gas molecules. The gravity on earth is in fact weak which is also the other reason it cannot hold onto the gas molecules. Your answer is most definitely D, The moon's gravity is too weak to hold onto gas molecules.

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Charmane throws a rock into a lake. She has created _____.a. impact waves b. spring tides c. wind-generated waves d. deep-ocean waves
a 0.4 kg block rests on a desk. the coefficient of static friction is 0.2. You push the side of the block but do not have a spring scale to measure the force you use. the block does not move. which statement is true about the force of static friction?

A ball is dropped off a bridge and it takes 5 seconds to hit the water below. About how fast is the ball traveling just before it hits the water?

Answers

Explanation:distance between bridge and water as "x"meters

speed=distance * time

speed= x * 5

speed=5x m/s

Final answer:

The speed of a ball dropped off a bridge that takes 5 seconds to reach the ground is calculated using the equation of motion v = gt. With the acceleration due to gravity approximately 9.8 m/s², the ball would be traveling about 49 m/s just before it hits the water.

Explanation:

This question relates to the physics concept of gravity. When an object is dropped off with no initial velocity, the only force acting upon it is gravity. The speed of the falling object can be found using the equation of motion: v = gt, where g is the acceleration due to gravity (approx. 9.8 m/s²) and t is the time the object is in motion. Therefore, for a ball being dropped off a bridge for 5 seconds, the speed just before hitting the water would be approximately 49 m/s (9.8 m/s² * 5s).

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A 20 kg box moving at an initial speed of 10 m/s slides 25 m to the right on a horizontal floor before it comes to a complete stop. What is the coefficient of friction between the box and the floor?

Answers

The coefficient of friction between the 20 kg box and the floor is 0.2

We'll begin by calculating the acceleration of the box. This can be obtained as follow:

Initial velocity (u) = 10 m/s

Final velocity (v) = 0 m/s

Distance (s) = 25 m

Acceleration (a) =?

v² = u² + 2as

0² = 10² + (2 × a × 25)

0 = 100 + 50a

Collect like terms

0 – 100 = 50a

–100 = 50a

Divide both side by 50

a = –2 m/s²

Finally, we shall determine the coefficient of friction. This can be obtained as follow:

Mass (m) = 20 Kg

Acceleration (a) = –2 m/s²

Acceleration due to gravity (g) = 10 m/s²

Frictional Force (F) = –ma = – (20 × –2) = 40 N

Normal reaction (N) = mg = 20 × 10 = 200 N

Coefficient of friction (μ) =?

$\mu = (F)/(N) \n\n\mu = (40)/(200)\n\n$

μ = 0.2

Therefore, the coefficient of friction between the box and the floor is 0.2

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The coefficient of friction between the box and the floor is 0.204.

Given data:

The mass of box is, m = 20 kg.

The initial speed of box is, u = 10 m/s.

The sliding distance is, s = 25 m.

The linear force acting on the fox is providing it necessary friction. Then,

$F = -F_(f)\nma = -\mu mg\na= -\mu * g$

Here, a is the linear acceleration and $\mu$ is the coefficient of friction between the box and the floor.

Applying the third kinematic equation of motion as,

$v^(2)=u^(2)+2as\n0=10^(2)+2(a)* 25\na = (-100)/(50)\na =- 2\;\rm m/s^(2)$

Then,

$a=- \mu * g\n-2= -\mu * 9.8\n\mu = 0.204$

Thus, we can conclude that the coefficient of friction between the box and the floor is 0.204.

Learn more about frictional force here:

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What is the expression of the chemical composition of a compound

Answers

Element formula....

I do hope this helps you Darling

Answer: the correct answer is chemical formula .

Explanation:

Express your emotions on how bad fraud and corruption and how they must be avoided

Answers

Fraud is dishonest activity causing actual or potential financial loss to any person or entity including theft of personal identity, moneys or other property by employees or persons external to the University and where deception is used at the time, immediately before or immediately following the activity. This also includes the deliberate falsification, concealment, destruction or use of falsified documentation used or intended for use for a normal business purpose or the improper use of information or position for personal financial benefit.

The concept of fraud involves fraudulent or corrupt conduct by internal parties or external entities targeting the University, or fraudulent or corrupt conduct by the University itself targeting external entities.

What is corruption?

Corruption is dishonest activity in which a person abuses his/her position of trust in order to achieve some personal gain or advantage for themselves, or provide an advantage/disadvantage for another person or entity.

Corrupt conduct can take many forms including:

conflicts of interesttaking or offering bribesdishonestly using influenceblackmailfraudtheftembezzlementtax evasionforgerynepotism and favouritism

NOTE: Corruption does not include mistakes or unintentional acts.

which situation involves shear? a. convergent boundaries b. isolated rift valleys c. volcanic mountain ranges d. frequent shallow earthquakes e. new rock formations

Answers

Answer:

Frequent shallow earthquakes

Explanation:

Shear is the response of a rock to deformation usually by compressive stress and forms particular textures.

During an earthquake when the earth shakes it produces a super shear earthquake in which the propagation of the rupture along the fault surface occurs at speeds in excess of the seismic shear wave (S-wave) velocity.

The mechanisms of shearing depend on the pressure and temperature of the rock and on the rate of shear which the rock is subjected to.

Which describes the electric forces inside an atom?A. Gravitational forces are much stronger than electric forces.

B. Electric forces and gravitational forces are equal in this setting.

C. Electric forces are much stronger than gravitational forces.

Answers

Answer:The correct answer is option C.

Explanation:

Electrical forces are forces between the charge particles of different charges or of same charges.This type of force is termed as electrostatics forces.

Like charges repel each other and unlike charges attract.They are dipole forces and stronger than the gravitational forces which only attracts and are monopole forces.

Atom consist of protons and electrons with positive and negative charge respectively.The force between these subatomic particles are very stronger than the gravitational forces between these particles.This is due to very smaller masses of protons and electrons the gravitational force between them is very small.

the correct answer is C hope this helps a little

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You drive your car for 2.0 h at 40.0 km/h then for 2.0 h at 60.0 km/h what is your average velocity?