HII PLEASE HELP ME IN THIS

HII PLEASE HELP ME IN THIS

Answers

Answer 1

Step-by-step explanation:

(i) Sum the forces at point M in the x direction.

∑F = ma

-T sin 30° − T sin 30° + 5 N = 0

2T sin 30° = 5 N

T = 5 N

(ii) Sum the forces on the ring in the x direction.

∑F = ma

T sin 30° − N = 0

N = 2.5 N

Sum the forces on the ring in the y direction.

∑F = ma

T cos 30° − mg − Nμ = 0

Nμ = T cos 30° − mg

2.5 μ = 5 cos 30° − 2

μ = 0.932

(iii) Sum the forces on the ring in the y direction.

∑F = ma

T cos 30° − m₁g − m₂g + Nμ = 0

m₂g = T cos 30° − m₁g + Nμ

m (10) = 5 cos 30° − 2 + (2.5)(0.932)

m = 0.466 kg


Related Questions

Find ordered pair that is solution for liner equation 4x - 5y=20

Answers

Answer:

(0,-4) (5,0)

Step-by-step explanation:

4x-5y=20

First, we must put the equation into slope intercept form: y= mx+b

5y=4x-20=y=4/5x-4

The y intercept, by definition, is b. In this scenario, b is -4.

One ordered pair that works is (0,-4).

Also, we can find the ordered pair for the x intercept. By definition, the x intercept is the value of x when y equals zero. hence, we substitute 0 for y and then we can find an ordered pair that works and solve for x!:

0=4/5(x)-4= 4=4/5x4x=20x=5

Therefore, (5,0) works as well!

A temperature recorded in Antarctica was - 122°F. The temperature recorded in the Sahara Desert was 130°F. How many degrees warmer is 130°F than - 122°F?
ebook

Answers

Answer:

252* warmer

Step-by-step explanation:

130 -(-122) = 130 + 122 = 252

Perform the calculations and determine the absolute and percent relative uncertainty. Express each answer with the correct number of significant figures. To avoid rounding errors, do not round your answers until the very end of your calculations. [8.47(±0.06)]1/3=[8.47(±0.06)]1/3= absolute uncertainty: ±± percent relative uncertainty: ±± %% log[6.56(±0.05)]=log[6.56(±0.05)]= absolute uncertainty: ±± percent relative uncertainty ±± %%

Answers

Answer: (a). 0.2% (b). 0.4%

Step-by-step explanation:

This is quite straightforward, so let us follow this carefully.

(a) let us consider the expression that was given in the question;

(8.47 + 0.06)1/3 from the binomial expression,

⇒  (x + ∆x)n = xn + nxn-1∆x

So using the stated formula above

(8.47 + 0.06)1/3 = (8.47)1/3+ 1/3(8.47)1-(1/3) (0.06) = 2.038 + 1/3(8.47)(2/3) (0.06)

= 2.038 + 0.005

This gives us the algebric value as x = 2.038

Also, the uncertainity is ∆x = 0.005

Let us calculate the percentage of relative uncertainity;

Relative uncertainity percent is given thus;

(∆x / x) * 100

= (0.005 / 2.038) * 100 = 0.2%

We have that the relative uncertainity percent is 0.2%

(b). Also we will consider the expression;

log(6.56 + 0.05)

Let us apply the binomial expression to this;

log(6.56 + 0.05) = log(6.56) + ((0.05)2 / 6.56) = 0.817 + 0.003

This makes the algebric value of x = 0.817

and the uncertainity is  ∆x = 0.003

Therefore the Relative uncertainity percent is = (∆x / x) * 100

= (0.003 / 0.817) * 100 = 0.4%

We have the relative uncertainity percent as 0.4%

cheers I hope this helped !!

Which of the following is equal to the opposite of −45? −(−45) −45 −|−45| −|45|

Answers

Answer:

−(−45)

I hope this helps.

Answer:

−(−45)

Step-by-step explanation:

Write a decimal expansion for 2/9. Chose the correct decimal notation.

Answers

Answer:0.222222

Step-by-step explanation:

DIVIDE 2 BY 9

Find the value of 4!.

Answers

☺ Hi ☺

Find the value of 4!.

• Let's find the value of 4! :

[tex]4! = 4 × 3 × 2 × 1 = {24}[/tex]

How much is 18% Equal to in a decimal

Answers

Answer: .18

Step-by-step explanation:

Part 1: Use the transformations to prove congruency​

Answers

Answer:

See Explanation

Step-by-step explanation:

[tex] \overline{CB} ||\overline {ED}... (GIVEN) \\

\& BD\:\&\: CE \: are \: transversals\\

\angle CBF\cong \angle EDF.. (alternate \: \angle 's) \\

\overline{CB} \cong \overline {ED}..... (GIVEN) \\

\angle BCF \cong \angle FED.. (alternate \: \angle 's) \\

\therefore \triangle CBF \cong \triangle EDF.. (By \: ASA\: Postulate) [/tex]

Answer:  see proof below

Step-by-step explanation:

   Statement                     Reason

1. CB || ED                       1. Given

2. ∠E ≅ ∠C                     2. Alternate Interior Angle Postulate

3. ∠D ≅ ∠B                     3. Alternate Interior Angle Postulate

4. CB ≅ ED                     4. Given

5. ΔCBF ≅ ΔEDF            5. ASA Congruency Theorem

Evaluate the expression: 15c4
A. 8,190
B. 32,760
C. 1,365
D. 5,460

Answers

Answer:

C. 1365

Step-by-step explanation:

The expression nCr can be written with the simple equation:

n! / ((n-r)! * r!)

So to evaluate 15C4:

15! / ((15-4)! * 4!)

= 1365

So 15C4 = 1365

Cheers.

Answer:

1365

Step-by-step explanation:

15!/4!(15-4)!

1365

Simplify. Show your work 9x5+4=

Answers

Answer:

49 or 7^2

Step-by-step explanation:

9 x 5 + 4

=> 45 + 4

=> 49 or 7^2

Answer: 49

Step-by-step explanation: Multiply 9 and 5. Then add 4. Use PEMDAS.

9 × 5 = 45

45 + 4 = 49

When two lines crosses, it is found that the angle opposite each other are thesame sizes. They are known as what

Answers

Answer:

vertical angles

Step-by-step explanation:

Opposite angles that are congruent are known as vertical angles.

Hey Jean’s grandmother is teaching him how to make a salsa recipe each batch of salsa requires one for 12 cup of red onions if they have one and a half cup of red onions how many batches of salsa can they make

Answers

Answer:

Number of salsa batches produced = 18 batches

Step-by-step explanation:

Given:

1 red onion = 12 batch of salsa

Amount of red onion = one and half (1.5)

Find:

Number of salsa batches produced

Computation:

Number of salsa batches produced = 1.5 × 12

Number of salsa batches produced = 18 batches

In a multiplicative model, if the seasonal factor is 1.15 for a particular season, then we expect that the time series in that season would be (other things being equal

Answers

Answer:

15% above the trend.

Step-by-step explanation:

A time series represented by Y comprises of dataset observed over a particular period of time. Time series is handy in determining the future of a particular business.

In a multiplicative model, if the seasonal factor is 1.15 for a particular season, then we expect that the time series in that season would be

Y = T × C × S × 1

where;

Seasonal S = 1.15

As such Y would increase by 15% above the trend if all other things are being equal.

Y=4x-3; A(5,17) Use substitution to determine whether the point is on the line.

Answers

Answer:

  the point is on the line

Step-by-step explanation:

The ordered pair gives the values of (x, y). Put those values in the equation and see if it is true:

  y = 4x -3

  17 = 4(5) -3 = 20 -3 . . . . . . for (x, y) = (5, 17)

  17 = 17 . . . . true, the point is on the line

A unit vector lies in the xy plane, at an angle of 137 degrees from the x axis, with a positive y component. What is the unit vector

Answers

Answer: ( -0.731,  0.682)

Step-by-step explanation:

The unit vector is defined as a vector that points in the same direction as our vector (137 degrees from the x-axis) and has a magnitude of 1.

Knowing the angle, is really simple to do it.

First, we know that for a radius R and an angle A, the rectangular coordinates can be written as:

x = R*cos(A)

y = R*sin(A)

And if we want that the magnitude/modulus of our vector to be 1, then R = 1, and we know that A = 137°

x = 1*cos(137°) = -0.731

y = 1*sin(137°) = 0.682

Then the unit vector is: ( -0.731,  0.682)

The unit vector is ( -0.731,  0.682)

The calculation is as follows:

[tex]x = R\times cos(A)\\\\y = R\times sin(A)[/tex]

And the magnitude/modulus of our vector to be 1, then R = 1, and we know that A = 137°

so,  

[tex]x = 1\times cos(137) = -0.731y = 1\times sin(137) = 0.682[/tex]

Then the unit vector is: ( -0.731,  0.682)

learn more: https://brainly.com/question/20492533?referrer=searchResults

NEED HELP ASAP!! I need to find out x!! Trigonometry!!

Answers

Answer:

Hey there!

Well first, don't feel bad, since trig is really hard, especially if you are just learning it.

If you've learned about SOH CAH TOA, you will see that TOA is the best identity to use here.

tangent 20=x/10

tangent 20 (10)=x

x=3.64

Let me know if you have any other trig questions, I'm always here to help :)

Two bags contain 10 balls each. Every round, you choose with equal probability one of the 2 bags and pick out a ball. After a while, you choose an empty bag. What is the probability for the other bag to contain exactly 4 balls at that time?
a. 2.90%
b. 6.10%
c. 10.80%
d. 12.20%

Answers

Answer: b) 6.10%

Step-by-step explanation:

to find the probability for the other bag to contain exactly 4 balls at that time;  

is only possible if you have chosen a particular bag 10 times and other bag 6 times.

After that, once again at the 17th attempt

so the required probability =     ¹⁶c₁₀ × (1/2¹⁰ × (1/2)⁶ × (1/2)

= 0.610

CONVERT TO PERCENT

0.610 × 100

= 6.10%

What is the value of 4 in the number 45?

Answers

Answer:

40

Step-by-step explanation:

4 is in "Ten's place".

So, the number is multiplied with 10.

=> 4 x 10

=> 40

The value of 4 in 45 = 40

9 6/1​ − 5 3/1 is equal to what?

Answers

Answer:

7

Step-by-step explanation:

Convert the mixed numbers to improper fractions, then find the LCD and combine.

Which value of x makes the equation true?
X + 7 = -9
A.-16
B.-2
C. 2
D.16

Answers

the answer is:

A. -16

What mixed
number represents thirty-eighths?

Answers

Answer:

............... 3 6/8

Thirty eighths would be
30/8
= 3.75
0.75=6/8
3 6/8
It can be simplified to 3 3/4

If a=8 and b=5 and x=4 and y=6m -2 what is the value of m ?

Answers

Answer:

m = 2

Step-by-step explanation:

Given:

x = 4

y = 6m - 2

a = 8

b = 5

Required:

Value of m

SOLUTION:

x and y are segments of a chord divided when it intersects another chord that also has segments a and b.

According to the Intersecting chords theorem, [tex] a*b = x*y [/tex]

Thus:

[tex] 8*5 = 4*(6m - 2) [/tex]

Solve for m

[tex] 40 = 24m - 8 [/tex]

[tex] 40 + 8 = 24m - 8 + 8 [/tex]

[tex] 48 = 24m [/tex]

[tex] \frac{48}{24} = \frac{24m}{24} [/tex]

[tex] 2 = m [/tex]

The value of m = 2

Solve equation x-9= -12

Answers

Answer: x=-3

Step-by-step explanation:

move -9 over to -12 and the 9 becomes positive and then add -12+9 and your answer will be negative

x-9=-12
+9=+9
————
X=46

) A basketball court is 94 feet by 50 feet. Eight fans can
fit next to each other in a 3 ft. by 3 ft. area. How
many kids would you estimate can fit side by side
over the entire floor?

Answers

Answer:

4178kids

Step-by-step explanation:

Area of the basket ball court = Length * Breadth (since it is rectangular in nature)

Area of the basket ball court = 94 feet * 50 feet

Area of the basket ball court = 4700ft²

Area of the space covered by 8 kids = 3ft * 3ft = 9ft²

To know the number of kids that would fit the entire floor, we will use the expression;

Number of kids in the floor = 8*Area of the basket ball court /Area of the space covered by 8 kids = 8*4700/9

= 8*4700/9

= 8*522.22

≈ 4,178 kids

Hence approximately 4,178 kids can fit side by side  over the entire floor

3-7 Please Help BRAINLEST

Answers

Hi there! Hopefully this helps!

----------------------------------------------------------------------------------------------

Answer: r = 7.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[tex]17 = r + 10[/tex]

Swap sides so that all variable terms are on the left hand side.

[tex]r + 10 = 17[/tex]

Subtract 10 from both sides.

[tex]r = 17 - 10[/tex]

Subtract 10 from 17 to get, you guessed it, 7!
Answer : r = 7
Using transposition method taking 10 to LHS will be -10
= r = 17-10
r = 7
Verification :
17 = r + 10
17 = 7+10
17 = 17
HENCE, LHS=RHS

What is the prime factorization of 315?

Answers

Positive Integer factors of 315 = 3, 9, 5, 45, 7, 315 divided by 3, 3, 5, 7, gives no remainder. They are integers and prime numbers of 315, they are also called composite number.

Help! ASAP pls There is a frog dead in the center of the pond on a lily pad. The pond is 7 meters in diameter. There are 6 lily pads leading to the edge, which the frog MUST jump onto if he wishes to get out. The frog can only jump to 3 pads each day. How many days will it take him to get to the edge of the pond? And give an explanation

Answers

Answer:

Approximately 2 days.

Step-by-step explanation:

The frog can only jump 3 lily pads each day.

24 hours = 1 day

[tex]\frac{24}{3}[/tex] = 8 hours

Thus, it would take the frog 8 hours to cover a lily pad.

To get to the edge of the pond, the frog would jump through 6.5 lily pads (since he is at the middle of a lily pad at the center of the pond).

So that;

Total time required to get to the edge of the pond can be determined by;

6.5 × 8 hours = 52 hours

Number of days to get to the edge of the pond = [tex]\frac{52}{24}[/tex]

                                                                    = 2.2

It would take him approximately 2 days to get to the edge of the pond.

Which of the following is an odd function?
f(x) = x3 + 5x2 + x
f (x) = StartRoot x EndRoot
f(x) = x2 + x
f(x) = –x

Answers

Answer: [tex]f(x)=-x[/tex]

Step-by-step explanation:

When f(-x)= -f(x), then it is known as an odd function.

i) [tex]f(x) = x^3 + 5x^2 + x[/tex]

Then, [tex]f(-x)=(-x)^3+5(-x)^2+(-x)=-x^3+5x^2-x\neq -x^3-5x^2-x[/tex]

i.e. [tex]f(-x)\neq-f(x)[/tex]

ii) [tex]f(x)=\sqrt{x}[/tex]

[tex]f(-x)=\sqrt{-x}\neq-\sqrt{x}[/tex]

i.e. [tex]f(-x)\neq-f(x)[/tex]

iii) [tex]f(x)=x^2+x[/tex]

[tex]f(-x)=(-x)^2+(-x)=x^2-x\neq-x^2-x[/tex]

i.e. [tex]f(-x)\neq-f(x)[/tex]

iv) [tex]f(x)=-x[/tex]

[tex]f(-x)=-(-x)=x[/tex]

[tex]-f(x)=-(-x)=x[/tex]

i.e. [tex]f(-x)=-f(x)[/tex]

Hence, f(x) is an odd function.

Answer:

D

Step-by-step explanation:

if you don't want to read

In triangle abc, the length of side and is 10 inches and the length of side be is 17 inches . Which of the following could be the length of side ac

Answers

Answer:

a^2=b^2+c^2.

a^2=10^2+17^2.

a^2=100+289.

a^2=389.

a=√389.

a=19.72~20cm.

Can someone help me!!!

Answers

Answer:

Step-by-step explanation:

[tex]a.\\sin \theta =\frac{12}{13}\\\theta=sin ^{-1}(\frac{12}{13}) \approx 67^\circ\\b.\\cos75=\frac{x}{13}\\x=13 cos ~75 \approx 7.5 ~ft[/tex]

it forms a right angled triangle.

ladder=hypotenuse.

side of house=perpendicular.

from the base of house to the foot of ladder on the ground=base

Other Questions
what steps did balban take to increase revenue Which is one way that scientists communicate the results of an experiment? Which statement about the number of earthquakes thestates had for the given time span is true?State A had approximately 1,533 more earthquakes thanState B.State B had approximately 1,533 more earthquakes thanState AState A had approximately 3,362 more earthquakes thanState B.State B had approximately 3,362 more earthquakes thanState A. The __________ process is designed to find and document vulnerabilities that may be present because there are misconfigured systems in use within the organization. a. ISP b. PSV c. SVP d. ASP The presence of a transit sequence directs a protein from the ________ to the ________. The presence of a transit sequence directs a protein from the ________ to the ________. signal recognition particle; nucleus cytosol; plasma membrane endoplasmic reticulum; Golgi apparatus endoplasmic reticulum; nucleus cytosol; mitochondrion or chloroplast differences between fundamental unit and derived unit (any two) You have 2.2 mol Xe and 2.0 mol F, but when you carry out the reaction you end up with only 0.25 mol XeF. What is the percent yield of this experiment? Xe(g) + 2 F (g) XeF (g) In a hypothesis test, standard error measures ____. a. variability for the sample data b. the amount of difference expected just by chance c. the size of the treatment effect d. the likelihood of a Type I or Type II error (2x-) + (1/2xy-10) x=4 and y=7 Which of the following statments is true regarding the solutions to the quadratic equation 5x^2 +6x+2=0? See picture Your mom gives you 6.20 moles of Dr. Pepper. How many particles is that? -8-7-6-5-4+0 1 2-3-2-8-7-6-5-4-3-2-10 1 2-8 7-6 -5-4-3.-2-10 12-8+2-7-6-3-2-101Compare and contrast the four number lines. Decide which number line doesn't belong. Justify your reasoning. 1.2|-9|2.4|-4|3.1|1|4.11|11|5.9|-2| S Assignment2Which of the following is the best example of a hypothesis?A11 Plants arow all over the world 11 Can someone please help on both questions!! Thank you Can someone please help me with this and give an explenation please listen to his speech with attention.change to passive voice plz helpaaaaaaaaaaaa 2x + 5 = 25 solve for xwill give brainliest Which part of an investigation is obly found in an experimental investigation?A. a hypothesisB. a control groupC. a procedureD. a conclusion