can some on help me of i die

Answer:

Conservation of momentum means that the final momentum must be the same as the initial momentum, where the momentum is defined as:

P = m*v

where m is mass, and v is velocity.

First, let's calculate Pi, the initial momentum.

Pi = Pi₁ + Pi₂

Where the subscripts 1 and 2 refer to each puck:

Pi₁ = 0.17kg*15m/s = 2.55 (kg*m/s)

Pi₂ = 0.11kg*0m/s = 0 (kg*m/s)

Pi = 2.55 (kg*m/s) + 0 (kg*m/s) = 2.55 (kg*m/s)

Now, after the collision we have that:

The first puck comes to rest, then:

Pf₁ = 0.17kg*0m/s =  0 (kg*m/s)

And the second puck will have a velocity v, that we want to find:

Pf₂ = 0.11kg*v

Pf = Pf₁ + Pf₂ = 0 (kg*m/s) +  0.11kg*v =  0.11kg*v

And by conservation of momentum we have:

Pi = Pf

2.55 (kg*m/s) = 0.11kg*v

We divide in both sides by 0.11kg

2.55 (kg*m/s)/0.11kg = v

23.2 m/s = v

And from this, the final momentum will be the same as the initial:

Pf = 23.2m/s*0.11kg = 2.55 (kg*m/s)

The total final momentum of the system is 2.55 Kg m/sec and this can be determined by conserving the momentum.

Given :

A hockey puck with a mass of 0.17 kg is traveling to the right along the ice at 15 m/s it strikes a second hockey puck with a mass of 0.11 kg the first hockey puck comes to rest after the collision of conservation of momentum holds.

The formula of the momentum is given below:

P = mv

Now, let conserve the moment, that is:

[tex]\rm P_i=P_f[/tex]   --- (1)

where [tex]\rm P_i[/tex] is the initial momentum and [tex]\rm P_f[/tex] is the final momentum.

First, determine the initial momentum.

[tex]\rm P_i = 0.17\times 15 + 0.11\times 0= 2.55\;Kg\;m/sec[/tex]

Now, determine the final momentum.

[tex]\rm P_f = 0.17\times 0+ 0.11\times v = 0.11v\;Kg\;m/sec[/tex]

Now. substitute the value of [tex]\rm P_i[/tex] and [tex]\rm P_f[/tex] in the equation (1).

[tex]\rm 2.55=0.11v[/tex]

v = 23.18 m/sec

So, the final momentum can be calculated as:

[tex]\rm P = 23.18 \times 0.11[/tex]

P = 2.55 Kg m/sec

For more information, refer to the link given below:

https://brainly.com/question/4956182

Answer:

(-5, 0)

Step-by-step explanation:

f(x) = (x - 1)(x2 + x - 20) = 0

x - 1 = 0

x = 1

x^2 + x - 20 = (x + 5)(x - 4)

x + 5 = 0; x - 4 = 0

x = -5; x = 4

Answer: (-5, 0)

Answer:

correct answer is B

Step-by-step explanation:

Hope this helps

Answer:

Step-by-step explanation:

20. r= S/2πh

21. y= 2-3/5x

22. 4.3333333 minutes

23. 80 ounces

24. x= 21

25. c= -1

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Answer: Natural: G ; Whole: B ; Integer: H; Rational: A, D, F, J, I, E; Irrational: C, K

Step-by-step explanation:

Natural numbers- Counting numbers (1, 2, 3, 4, etc.)

Whole numbers- Counting numbers and 0

Integers- Counting numbers, 0, and their opposites

Rational numbers- any number that can be written as a fraction in which 0 isn't the denominator

Irrational numbers- all other numbers

Answer:

The answer is B.

Step-by-step explanation:

when x is 0, y is 5. So that is the yintercept and 4-5=-1 -4-0=-4 do 1/4

Answer:

kate can buy 20 tickets

Step-by-step explanation:

hope this helps

i am not sure about the answer

Answer: I think it's 160

Step-by-step explanation:

Answer:

1:3:4

Step-by-step explanation:

[tex]\frac{5}{5}: \frac{15}{5}: \frac{20}{5}=1:3:4[/tex]

Answer:

The value of x = 513

Step-by-step explanation:

Let x, y, and z be the three numbers

Given

[tex]x+y+z=855[/tex]

Assuming x be the number which is 50% more than the sum of the other two numbers.

i.e.

(150)% of (y+z) = 1.5(y+z)

                y + z = x/1.5

As we know that

[tex]x + y + z = 855[/tex]

substituting y + z = x / 1.5 in the equation

[tex]x+\frac{x}{1.5}=855[/tex]

Multiply both sides by 1.5

[tex]x\cdot \:1.5+\frac{x}{1.5}\cdot \:1.5=855\cdot \:1.5[/tex]

[tex]1.5x+x=1282.5[/tex]

[tex]2.5x=1282.5[/tex]

Divide both sides by 2.5

[tex]\frac{2.5x}{2.5}=\frac{1282.5}{2.5}[/tex]

[tex]x = 513[/tex]

Therefore, the value of x = 513

Answer:

A.

Step-by-step explanation:

Answer:

Conductors are materials that provide easy paths for the flow of electrons. Conductors are generally made from materials that have large, heavy atoms. And insulators are the things that have very large resistance to the flow of electric current.

Hope this helps!!

9514 1404 393

Answer:

  7 +11·i

Step-by-step explanation:

  √-121 = (√-1)(√121) = i·11

So, 7 +√-121 = 7 +11·i

Answer: x = 174, and x < 174.

Let the number be x.

Then 1/3 of the number = 1/3*x

1/3*x is decreased by 36 is the same as 1/3*x - 36

If 1/3*x - 36 is at most 22, we can write:

1/3*x - 36 is less than or equal to 22.

Therefore,

1/3*x - 36 <= 22

1/3*x - 36 = 22 (i), and 1/3*x - 36 < 22 (ii)

From (i):

1/3*x = 22 + 36 = 58, or x = 58 * 3 = 174.

From (ii):

1/3*x < 22 + 36 = 58, or x < 58 * 3 , or x < 174.

Therefore,

x = 174, and x < 174.

Answer

FALSE

Step-by-step explanation:

Answer:

$12, 14%

Step-by-step explanation:

Find the amount of discount:

84 - 72 = 12

Find the amount of discount as a percentage

12 / 84 = 0.1428

Answer:

-5, -3.5, -2.5, 0, 5

Step-by-step explanation:

Answer:

-5, -3.5, -2.5, 0, 5

Step-by-step explanation:

Just got it right on the assignment

Edg 2021

Answer:

I hope it help, it can be wrong, Im so sorry!

Step-by-step explanation:

1.

y=x+6

y=x6

2.

y=2x+1

y=x.2+1

y=x.2

y=2

Answer:

What do you want me to do? It is already solved

Step-by-step explanation:

Answer:

27. chord

28. radius

29. diameter

30. secant

31. tangent

32. secant

Step-by-step explanation:

I guess thats the correct answer

Answer: it would take off would be $1.39 so you would subtract $6.95-$1.39 would be $5.56

Step-by-step explanation:

Answer:

$5.56

Step-by-step explanation:

Answer:

bro got you

x>-6

Step-by-step explanation:

 [tex]\bold{x}[/tex] ≥ [tex]\bold{-6}[/tex]

______________________________

  - We have to get rid of both numbers on each side, so to do so, we do the opposite of what we see: Since we have a negative 7, we add 7 on each side.

Equation at the end of Step 1:

 -  We have to get rid of numbers on each side, so do to so, we do the opposite of what we see. Since we have a negative 3 being multiplied, we divide by -3 instead.  

 - Since -3 is negative, the inequality direction is changed as well.

Equation at the end of Step 2:

______________________________

Answer:

C

Step-by-step explanation:

Cant really give one, im just reviewing.

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[tex]2x - 11 = k[/tex]

Add sides 11

[tex]2x - 11 + 11 = k + 11[/tex]

Simplification

[tex]2x = k + 11[/tex]

Divide sides by 2

[tex] \frac{2}{2} x = \frac{k + 11}{2} \\ [/tex]

[tex]x = \frac{k + 11}{2} \\ [/tex]

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Thus the correct answer is (( B )) .

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Answer:

7/12

Step-by-step explanation:

7/6÷2

7/6÷2/1

7/6*1/2

7/12

Answer:

7/12

Step-by-step explanation:

7/6 ÷ 2

7/6 * 1/2

=7/12

Answer:

I dont know why my answer was removed nor why i was warned for it. But the answer is C

Step-by-step explanation:

Answer: 1, 7 is he answer I just took the quiz and got it correct.

Step-by-step explanation:

Answer: C

Step-by-step explanation:

Obtuse angles are greater than 90 degrees