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oee [108]
2 years ago
10

The statements below are all true. Some of them represent important reasons why the giant impact hypothesis for the Moon’s forma

tion is taken seriously, and some of them are not relevant to deciding between this and other hypotheses. Sort the statements into the correct bin according to whether or not they provide important support to the giant impact hypothesis.a) models indicate early solar system had mars-size leftover panetesimals.b) moon's composition is similar to earth's mantle.c) moon has a low proportion of easily vaporized ingredients.d) moon lacks active volcanoes.e) moon's distance is gradually increasing.f) moon has synchronous rotation.
Physics
1 answer:
Molodets [167]2 years ago
5 0

Answer:

the order of importance must be     b e a f c

Explanation:

Modern theories indicate that the moon was formed by the collision of a bad plant with the Earth during its initial cooling period, due to which part of the earth's material was volatilized and as a ring of remains that eventually consolidated in Moon.

Based on the aforementioned, let's analyze the statements in order of importance

b) True. Since the moon is material evaporated from Earth, its compassion is similar

e) True. If the moon is material volatilized from the earth it must train a finite receding speed

a) True. The solar system was full of small bodies in erratic orbits that wander between and with larger bodies

f) False. The moon's rotation and translation are equal has no relation to its formation phase

c) false. The amount of vaporized material on the moon is large

Therefore, the order of importance must be

         b e a f c

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If the loss of 3500 kcal is equal to a loss of 1.0 lb, how many days will it take charles to lose 5.0 lb
rusak2 [61]
We are missing an important piece of information needed to answer this question: the number of kcal Charles losses per day. However, we can come up with a general equation in which kcal/day is the only independent variable.

We know that it takes 3500 kcal to lose one pound. To lose 5 pounds, Charles needs to lose 5 x 3500 kcal = 17,500 kcal. 

To find how many days it takes Charles to lose 17,500 kcal (5 pounds), we must divide that amount by the number of kcal Charles loses per day. 
Here is the equation to calculate that number

Number of days= 17500 / (kcal per day)

If given calories, remember that 1000 calories = 1 kcal, and .001 kcal = 1 cal

4 0
2 years ago
A single-threaded power screw is 25 mm in diameter with a pitch of 5 mm. A vertical load on the screw reaches a maximum of 5 kN.
ioda

Answer:

0.243

Explanation:

<u>Step 1: </u> Identify the given parameters

Force (f) = 5kN, length of pitch (L) = 5mm, diameter (d) = 25mm,

collar coefficient of friction = 0.06 and thread coefficient of friction = 0.09

Frictional diameter =45mm

<u>Step 2:</u> calculate the torque required to raise the load

T_{R} = \frac{5(25)}{2} [\frac{5+\pi(0.09)(25)}{\pi(25)-0.09(5)}]+\frac{5(0.06)(45)}{2}

T_{R} = (9.66 + 6.75)N.m

T_{R} = 16.41 N.m

<u>Step 3:</u> calculate the torque required to lower the load

T_{L} = \frac{5(25)}{2} [\frac{\pi(0.09)(25) -5}{\pi(25)+0.09(5)}]+\frac{5(0.06)(45)}{2}

T_{L} = (1.64 + 6.75)N.m

T_{L} = 8.39 N.m

Since the torque required to lower the thread is positive, the thread is self-locking.

The overall efficiency = \frac{F(L)}{2\pi(T_{R})}

                        = \frac{5(5)}{2\pi(16.41})}

                        = 0.243

                 

8 0
2 years ago
Consider a long, closely wound solenoid with 10,000 turns per meter. What current, in amperes, is needed in the solenoid to prod
Makovka662 [10]

Answer:

0.4344A

Explanation:

From Ampere's law, it can be shown that the magnetic field B inside a long solenoid is

B= \mu_0NI

Where

B= Magnetic field strenght at distance d

I= current

\mu_0 =Permeability of free space (4\pi*10^{-7} Tm/A)

N= Number of loops

Our values are defined as follow,

N=10000

B=5.25*10^{-5}T

B'=5.25*10^{-5} * 104 = 5.46*10^{-3}T

As a current required to become 104 times the Earth's magnetic field is required, we use B '

B'= \mu_0NI

5.46*10^{-3}=4\pi*10^{-7}*10000*I

I=\frac{5.46*10^{-3}}{4\pi*10^{-7}*10000}

I=0.4344A

<em>Therefore is needed 0.4344A in the solenoid to produce a magnetic field inside the solenoid, near its center, that is 104 times the Earth's magnetic field.</em>

4 0
1 year ago
Which statements describe how chemical formulas, such as H2O, represent compounds? Check all that apply.
Pani-rosa [81]

The statements that apply in this case are:

They show the elements that make up a compound.

They show the types of atoms that make up a molecule.

They show the number of each type of atom in a molecule.

5 0
2 years ago
Read 2 more answers
What is the volume of an irregularly shaped object that has a mass 3.0 grams and a density of 6.0 g/mL
pogonyaev

Answer: The volume of an irregularly shaped object is 0.50 ml

Explanation:

To calculate the volume, we use the equation:

\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}

Density of object = 6.0g/ml

mass of object = 3.0 g

Volume of object = ?

Putting in the values we get:

6.0g/ml=\frac{3.0g}{\text{Volume of substance}}

{\text{Volume of substance}}=0.50ml

Thus the volume of an irregularly shaped object is 0.50 ml

4 0
2 years ago
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