Please answer this fast. This was due October 6th and I need to get it done!!!!! The energy E of a moving object is called its
kinetic energy. It is calculated using the formula E = { mv2,
where m is the object's mass in kilograms and v is its
speed in meters per second. The units of kinetic energy are
kilograms - meters
abbreviated as kg • m²/s2.
seconda
a. Solve the given formula for m.
b. What is the mass of an object moving at 10 m/s with a kinetic
energy of 2500 kg · mº/s2?
. n

Answers

Answer 1

Answer:

Question a:

[tex]{ \rm{kinetic \: energy = \frac{1}{2} m {v}^{2} }} \\ [/tex]

• then let's make m the subject:

[tex]{ \rm{E = \frac{1}{2}m {v}^{2} }} \\ \\ { \rm{m {v}^{2} = 2E }} \\ \\ { { \green{ \boxed{ \boxed{ \bf{m = \frac{2E}{ {v}^{2} } }}}}}} \\ [/tex]

Answer: m = 2E/v²

Question b:

[tex]{ \rm{m = \frac{2E}{ {v}^{2} } }} \\ \\ { \rm{m = \frac{(2 \times 2500)}{ {10}^{2} } }} \\ \\ { \rm{m = \frac{5000}{100} }} \\ \\ { \boxed{ \boxed{ \rm{ \: m = 50 \: kg \: }}}}[/tex]

Answer: mass is 50 kg

Please Answer This Fast. This Was Due October 6th And I Need To Get It Done!!!!! The Energy E Of A Moving

Related Questions

2. Find the value of x and y.
62°
(4x+2)°
(12y)
144°
Ox= 15, y= 12
Ox= 14, y= 11
Ox=14, y = 12
Ox= 15, y= 11

Answers

Answer:

x=15,y=12

Step-by-step explanation:

Alternate angles are those angles that are on the opposite side of the parallel lines transverse with a line touching both parallel lines.

The value of x and y are 15 and 12.

x = 15

y = 12

Option A is the correct answer.

What are corresponding angles?

The angles that are in the same position on two parallel lines intersected by a transversal line on the parallel lines.

Corresponding angles are equal.

We have,

The figure contains four angles.

62 and (4x + 2) are alternate angles.

12y and 144 are alternate angles.

We know that alternate angles are equal.

So,

62 = 4x + 2 ____(1)

12y = 144 _____(2)

From (1) we get,

62 = 4x + 2

Subtract 2 on both sides.

62 - 2 = 4x + 2 - 2

60 = 4x

Divide both sides by 4.

4x = 60

x = 60/4

x = 15

From (2)

12y = 144

Divide both sides by 12.

y = 144/12

y = 12

Thus,

The value of x and y are 15 and 12.

x = 15

y = 12

Option A is the correct answer.

Learn more about corresponding angles here:

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A model of a building is 18 inches tall. If the building is really 678 feet tall, how tall is a window that is 1/9 in on the model? Round to the nearest tenth if needed.

Answers

Answer:

50.2in or 4.2ft

Step-by-step explanation:

This is a problem about proportions so I generally set up my problems like below. I just set some variable here to make it easier to refer back to the measurements for each. You don't have to do this, I am just showing it for clarity. I will convert everything to inches too. We need to find the real window height.

Mb = model building = 18in

Mw= model window = [tex]\frac{1}{9}[/tex]in

Rb = real building = 678ft = 8136in

Rw = real window = ?

[tex]\frac{Mw}{Mb}[/tex] = [tex]\frac{Rw}{Rb}[/tex]

[tex]\frac{1/9}{18}[/tex] = [tex]\frac{Rw}{8136}[/tex]

[tex]\frac{1}{9*18}[/tex] = [tex]\frac{Rw}{8136}[/tex]  

[tex]\frac{1}{162}[/tex] = [tex]\frac{Rw}{8136}[/tex]

[tex]\frac{1*8136}{162}[/tex]= [tex]\frac{8136*Rw}{8136}[/tex]

[tex]\frac{8136}{162}[/tex] = Rw

[tex]\frac{452}{9}[/tex] = Rw

Rw ≈ 50.2in ≈ 4.2ft

Answer the question and explain how you got what you got please

Answers

Answer:

[tex]\frac{3}{2}[/tex]

Step-by-step explanation:

The simple formula for slope is: [tex]\frac{rise}{run}[/tex] or "rise over run".

The rise is 3 and run is 2.

Hope it helped :)

AHHHH SWEAR THIS IS THE LASt ONEEEEE

Answers

Answer:

the answer is 145°

Step-by-step explanation:

seeing as the two largest angles are 50° and 95° we add them and the answer is 145°

that's what I think :)

The answer is 7200 minutes

is it
A) M T L
B)M T P
C)L || M
D)N || P

Answers

Answer:

C

Step-by-step explanation:

since L and M are both perpendicular to the same transversal they are parrallel

who likes stranger things 2+2-5=6

Answers

Answer:

2+2-5=6 is false.

Step-by-step explanation:

2+2 = 4

4-5 = -1

-1 does not equal 6, so the equation is false.

Also, I like Stranger Things, but my advice to you is to not try to meet people on brainly like this because 1 you can get banned, and 2 you have no idea who you might be talking to or if they're dangerous or not.

Answer:

the person who are not in mannered

they like strangers things.

For examples

one person who are well mannered they all know what we can do or what we cannot do.

what is the value of x 3/6x+9 =12

Answers

Answer:

x=6

Step-by-step explanation:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

1. One skater paid $108.00 for
36 fancy jewels to sew on her
costume. What did each
jewel cost?

Answers

Answer:

each jewel was 3 $

Step-by-step explanation:

divide 108.00/36= 3

Step-by-step explanation:

$3 for each jewel.

Cómo se resuelve esto?


(2-x)²=36

Answers

Aquí esta la respuesta

Answer:

Step-by-step explanation:

You have to factor but we start by simplifying both sides which will be x^2-4x+4=36. Then you subtract 36 from both sides

x^2-4x+4-36=36-36

x2-4x-32

Now that the equation is set up, you can factor

(x+4)(x-8)Set the factors equal to 0

x=-4 or

x=8

PLEASE HELP FAST!!!

Answers

y=-2x+[-1]

Hope it is correct

Kimmy is at the beach and wants to rent a jet ski for the day. The cost of the rental is a base charge of $125 and an additional fee of $75 per hour that she keeps the jet ski.

Part A: Write a function that can model this situation where y is the total charge for the rental and x represents the number of hours of the rental.

Part B: Determine how much Kimmy can plan to spend if she rents the jet ski for 5 hours.

Answers

1) y=75x+125

2)y=75(5)+125

=375+125

=500$

factorize:
x²+3x-4

3x²+5x+2

6x² + 11x + 4

x²-3x +2

x²+3x-40​

Answers

Answer:

1. (x-1) (x+4)

2. (3x+2) (x+1)

3. (3x+4) (2x+1)

4. (x-1) (x-2)

5. (x-5) (x+8)

6. Vocabulary Tell whether each equation is in
slope-intercept, point-slope, or standard form.
a. y + 2 = -2(x - 1)
C. -x - 2y = 1
b. y = ** +9
d. y - 3 = 4x

Answers

Answer:

They are all in standard form

Step-by-step explanation:

60 students at campbell middle school were surveyed on their favorite sports. 1/4 of them choose basketball. 3/10 of them choose hockey the remaining students chose soccer. How. many students choose soccer as their favorite sport

Answers

Answer:

27 students

Step-by-step explanation:

b/c 1/4×60=15 students

3/10×60=18

18+15=33

60-33=27

brainlist please

Question 2 (14 points)

What is 151st term of the sequence: -3,0,3, 6, ...

O a

450

447

Ob

ос

Od

440

443

Answers

Can’t understand it

Evaluate |15 - 15|.

O 20
O 10
O -10
O -20​

Answers

Answer:

The answer I was able to get was 0.

help me plz
thank u!

Answers

Answer:

x = 41

y = 65

z = 107

Step-by-step explanation:

y and 65 are vertically opposite angles. Vertically opposite angles are equal.

y = 65

74 + y + x = 180

74 + 65 + x = 180

139 + x = 180

x = 180 - 139

x = 41

z is the exterior angle, whereas 66 and x are interior angles in a triangle.

Formula : -

Exterior angle = Sum of two interior angles

z = 66 + x

  = 66 + 41

z = 107

How can 7 1/5+-8 3/5 be expressed as the number of its integer and fractional parts?

A) -7+ -8+-1/5+-3/5

B) 7+ -8+1/5+-3/5

C) 7+ -8+1/5+3/5

D) -7+ -8+1/5+3/5

Answers

Answer:

-7/5

Step-by-step explanation:

7×5=35

35+1=36

7 1/5 = 36/5

8×5=40

40+3=43

8 3/5 = 43/5

36/5 - 43/5 = 36-43/5=-7/5

Answer:

7 +(-8) +1/5 +( -3/5 )

Step-by-step explanation:

I got it correct!

Express 92 as a product of its prime factors

Answers

2² × 23

Step-by-step explanation:

92 = 2 × 46

92 = 2 × 2 × 23

92 = 2² × 23

What is the denominator of 24⁄32? *

a. 6⁄8

b. 8

c. 24

d. 32

Answers

the correct answer is b

Help ASAP I’ll mark you as brainlister

Answers

Answer:

about 0.10 cents a unit

Step-by-step explanation:

If I'm wrong, I'm sorry!!

I hope you have a great day! Good luck with your math!

The following formula gives the volume V of a pyramid, where A is the area of the base and h is the height:


[tex]v=\frac{1}{3} Ah[/tex]

How do you find A?

Answers

You have to move everything to other side besides A
(h)v= 1/3 A
3(h)v=A
Your answer is A= 3hv

Which choice is equivalent to the expression shown below?
-3(3y-2x) + 2(5x-4y)

Answers

Answer:

[tex] - 3(3y - 2x) + 2(5x - 4y) \\ - 9y + 6x + 10x - 8y \\ 16x - 17y[/tex]

I hope I helped you^_^

Mr.and Mrs. Hawkins have a budgeted $500 from Marion's graduation. the rent is $150.how much can they spend per person on food if each of the 30 guest gets $2.50 group photos.

Answers

Answer:

45

Step-by-step explanation:

45! £€#^_#÷5€£¥¥*^

5(6+9) what is the sum of 30 and another whole number

Answers

Answer:

75

Step-by-step explanation:

5(6+9)

Times the five by the numbers in the bracket

30 + 45

= 75

Answer:

75

Step-by-step explanation:

5 x 6 = 30

5 x 9 = 45

30 + 45 = 75

12y x 7.5 So what do you think the answer is?

Answers

Answer:

I believe it's 90y

Step-by-step explanation:

12 × 7 = 84, then you add 6, which is half of 12, to get 90.

Please let me know if I'm wrong.

(7x10^10)x(3x10^2) in standard form

Answers

Answer:

70 x 15 = 1050

Step-by-step explanation:

do your work lol

(7×10¹⁰) × (3×10²)

(7×3) × (10¹⁰×10²)

21 ×10¹²

W standard form can only be between 1 and 10, so in standard form,

21÷10=2.1

10¹²+¹

10¹³

2.1×10¹³

Please mark BRAINLIEST!

x=?
what does x equal

Answers

Answer:

a

Step-by-step explanation:

Here is the histogram of a data distribution.
4
3
2
1
5 6 7 8
9
10
What is the shape of this distribution?
A. Bimodal symmetric
B. Bimodal skewed
Ο Ο Ο Ο Ο
C. Unimodal symmetric
D. Unimodal skewed
E. Uniform

Answers

Answer:

Uniform

Step-by-step explanation:

The shape of the given histogram is uniform.

Option E is the correct answer.

We have,

A uniform histogram is a type of histogram where all the bars have approximately the same height, indicating that the data is evenly distributed across the range of values.

In other words, the frequency of occurrence for each value or interval is roughly the same.

For example, consider the following data set of 20 numbers:

{4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23}

If we create a histogram of this data set with five bars, each representing a range of four values (e.g., 4-7, 8-11, etc.), we would expect to see a uniform histogram with approximately the same height for each bar.

This indicates that the data is evenly distributed across the range of values.

Uniform histograms are useful for visualizing data that is evenly distributed or to identify outliers that are not consistent with the rest of the data. However, in some cases, a uniform histogram may not accurately represent the underlying distribution of the data, especially if there are gaps or clusters of data within certain ranges.

In such cases, other types of histograms or statistical methods may be more appropriate.

Thus,

The shape of the given histogram is uniform.

Learn more about histograms here:

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Please help!!
Which number is greater?
a)The square root of 64
b) The square root of 16

Answers

Answer:

Neither, they are both equal.

Step-by-step explanation:

FYI, that three in front of the radical in the first expression is actually cube root. The cube root of 64 is 4, and the square root of 16 is 4.

[tex]\sqrt[3]{64} =4\\\sqrt{16}=4\\4=4[/tex]

[tex]\huge\text{Hey there!}[/tex]

[tex]\huge\textsf{Option A }\huge\boxed {\downarrow}[/tex]

[tex]\huge\boxed{\rm{\sqrt[3]{64}}}}\\\huge\boxed{= \rm{\sqrt[3]{4^3}}}}\\\huge\boxed{= \rm{\sqrt[3]{4\times4 \times4}}}\\\huge\boxed{\rm{\rightarrow \sqrt{64}= 8, \ because \ 8\times8 = \bf 64}}\\\huge\boxed{\rm{{= \dfrac{8}{2}\rightarrow 8\div 2 \rightarrow \bf 4}}}[/tex]

[tex]\huge\boxed{\textsf{Option A.) answer: \bf 4}}[/tex]

[tex]\huge\textsf{Possible Option A. part II }\huge\boxed\downarrow[/tex]

[tex]\huge\boxed{\rm{\sqrt{64} = \sqrt{8\times8}= \bf 8}}\\\huge\boxed{\text{Possible answer for Option A. part II: \bf 8}}[/tex]

[tex]\huge\textsf{Option B }\huge\boxed\downarrow[/tex]

[tex]\huge\boxed{\rm{\sqrt{16}}}\\\huge\boxed{\rm{= \sqrt{4\times4}}}\\\huge\boxed{\rm{= \sqrt{16} \rightarrow \bold{4}\rightarrow 4\times4 \rightarrow \bf 16}}[/tex]

[tex]\huge\boxed{\textsf{Option B.) answer: \bf 4}}[/tex]

[tex]\huge\boxed{{\textsf{Based on the given information \boxed{\textsf{\bf NEITHER}} is}}}\\\huge\boxed{\textsf{the answer because it seems reasonable \& both}}\\\huge\boxed{\textsf{choices are very much equivalent to each other}}\huge\checkmark[/tex]

[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

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