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ollegr [7]
3 years ago
11

Why was an attack against Vicksburg by river just not possible for Union forces?

Mathematics
1 answer:
Vsevolod [243]3 years ago
8 0
<span>Because the town was built above sheer cliffs that were heavily defended by artillery.</span>
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What's 6/7 written as a fraction with a denominator of 42
zimovet [89]
36/42 
multiply the top and bottom by 6. 
7 x 6 = 42 
6 x 6= 36 
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What is the common difference of the arithmetic sequence?<br>​
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Answer:

Step-by-step explanation:

You can look at it and see that 1/3 is added to each term. The common difference is 1/3. If you want to be be more formal,

d = d4 - d3

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d = 0 + 1/3

d = 1/3

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Which expression is eqivalent to 9a +12
koban [17]

3(3a + 4)

this the anwers

8 0
3 years ago
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A basketball hoop has a circumference of 144 cm.what is its diameter
levacccp [35]
Formula\ for\ circumference \ of\ circle:\ \ \ 2 \pi r\\\\&#10;144= 2 \pi r\ \ \ \ | divide\ by\ 2 \pi\\\\&#10;r=\frac{72}{\pi}cm\\\\diameter=2radius\\\\&#10;diameter=2r=2*\frac{72}{\pi}=\boxed{\frac{144}{\pi}}
8 0
3 years ago
A large rock (mass = 4.0 kg) moving at a velocity of 2.0 m/s has a momentum of _______ kg*m/s
Elodia [21]

Step-by-step explanation:

❁ \underline{ \underline{ \text{Given} }}:

  • Mass of a large rock ( m ) = 4.0 kg
  • Velocity ( v ) = 2.0 m/s

❁ \underline{ \underline{ \text{ \: To \: find}}}:

  • Momentum ( p )

✑ \underline{ \underline{ \text{Solution}}} :

\boxed{ \underline{ \sf{Momentum \:  =  \: mass \:  \times  \: velocity}}}

plug the known values :

⟹ \sf{Momentum = 4.0 \: kg \:  \times  \: 2.0 \:m/s }

⟹ \sf{Momentum = 8 \: kg \: m/s}

\red{ \boxed{ \boxed{ \tt{⟿ \: Our \: final \: answer :   \bold{ \underline{8} }\: kg*m/s}}}}

⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆⋆

✑ \underline{ \underline{ \text{Learn \: more about \: momentum}}}:

Imagine that a car and a truck both have the same speed on the road. Which one can stop easily ? Of course , it is hard to stop the truck relative to the car. The reason is that the car and the truck have the same speed bit different masses. Thus , we can say that to stop a heavier body is harder than to stop a lighter one even both of them have the same speed.

If two tennis balls are hit towards you in different velocities , it is not equally easier to stop them. The ball in more velocity is difficult to stop relatively. Thus , we can say that to stop a body in more velocity is harder than to stop a body with less velocity , eventhough they have the same speed.

The physical quantity that describes the quantity of motion of a body is called momentum. The momentum of a moving body or linear momentum is defined as the product of mass & velocity of a moving body.

Mathematically ,

Momentum = mass × velocity

i.e p = m × v

The SI unit of momentum is kg • m/s. Since velocity is a vector quantity and multiplied with mass ( scalar quantity) , momentum becomes a vector quantity. Direction of momentum is the same as velocity.

Hope I helped ! ♡

Have a wonderful day / night ツ

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7 0
3 years ago
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