For a moving object, the force acting on the object varies directly with the objects acceleration. When a force of 45 N acts on a certain object, the acceleration of the object is 9 m/s2. If the force is changed to 20 N, what will be the acceleration of the object.

Answers

Answer 1

Answer:

4m/s^2

Step-by-step explanation:

if 45N =9m/s^2

20N= x

20N*9m/S^2/45N

=4m/s^2


Related Questions

Can someone explain this to me since I don’t get it that well?

Draw axes of symmetry of these shapes. Circle the shapes that have vertical symmetry.

Question 25

Answers

so it'd be the first, third and fourth one. all you gotta do is draw a vertical line through the middle of the 1st, 3rd and 4th.

The average number of workers of 12 companies are 42. If the average number of women of the same companies are 25, calculate the number of men in the companies.

Please I really need your help now.​

Answers

Answer:

204 men.

Step-by-step explanation:

Total number of workers in all the companies = 42 * 12.

Total number of women in all the companies = 25 * 12.

So the total number of men = 12(42 - 25)

= 12 * 17

= 204 .

Answer:

204.

Step-by-step explanation:

There was 1/3 of a cake left after a party. Dad cut it into 4 equal pieces. What part of the cake was each piece?

Answers

Answer:

1/12

Step-by-step explanation:

Imagine a whole cake which is split into thirds, then you cut each third into four equal pieces, at the total you'll have 12 pieces so you'll have 1/12.

1/3 * 1/4 = 1/12

hi I just need help on b thank you ASAP

Answers

Answer:

Step-by-step explanation:

Convert −360° to radian measure in terms of π.

Answers

Answer:

[tex]to \: convert \: degree \: to \: radian \: \: multiply \\ \: by \: \frac{\pi}{180} \\ so \: here \\ - 360 \times \frac{\pi}{18 0 } \\ = - 2\pi \\ thank \: you[/tex]

Answers
A. 2
B. -2
C. 10
D. -10

Answers

Answer:b

10 to 20 is 10 and 80 to 60 is -20 so it’s -20/10 which is -2

what is the ratio equalevent for 1:2
7:?

Answers

Answer:

the ratio equalevent for 1:2

7:21

Does anyone know how to do this I really need help on this?

Answers

4+4=8
Hope that helps

Can i get help with 6=3/4(10x+16)

Answers

The answer would be -5x/4

Answer:

Check the steps shown in the picture : Hope it helps.

Bài 1: Tính giá trị của biểu thức sau:
a) A = 4x – ( x +3)2 + ( x+3)(x-3) với x = - 2,4
b) B = ( 3x +4)2 -10x – 9( x - 4)(4+x) với x = -0,1
c) C = ( x + 5)2 - 2 ( x – 6 )( x+ 6) + ( x+2)( x-4) với x = -1/2

Answers

Answer:

Lời giải có ở trong ảnh bạn nhé

How many terms are in the algebraic expression 2y + 3x - 5x^2 - 9

Answers

Answer:.

Step-by-step explanation:

A term is the product of its factor. Terms are combined to form a algebraic expressions.

Terms:

2y

3x

-5x²

-9

There are 4 terms in this expression.

How many milligrams are equal to 39 grams?

A 390 milligrams
B 390,000 milligrams
C 3,900 milligrams
D 39,000 milligrams

Answers

how many milligrams are equal to 39 g is 39,000 which is D

Answer:

39000

1 gram=1000milligrams

hence,

39 grams=39×1000milligrams

=39000milligrams

jamar bought a bicycle that cost 20 dollars when it was new. if he eventually sold it for 10%of the original cost,how much was it sold for?

Answers

Answer:

$2

Step-by-step explanation:

We're trying to find out 10% of the price of a bicycle

to do this, convert 20 to 0.20 and multiply it by 10%

0.20 × 10 = $2

it was sold for $2

11. What is the solution to the equation below
x = 5 - (32 + 1) + 2
-3
-1
Ο Α
OB
0
17

Answers

Answer:

-3

5-(9+1)+2

=7-10

=-3

I hope this helps you

[tex]\large \mathfrak{Solution : }[/tex]

let's solve for x :

[tex]5 - (3 {}^{2} + 1) + 2[/tex]

[tex]7- (9 + 1) [/tex]

[tex]7 - 10[/tex]

[tex] - 3[/tex]

hence, the value of x = -3

A pile of 15 boxes is 3 metres high. What is the depth of each box?

Answers

Answer:

15 boxes=3m=300cm

1 box=300cm÷15

=20cm

Answer:

Each box is 1/5 metres or 0.2 metres deep.

Step-by-step explanation:

There are 15 boxes, total height is 3 meters

Depth of each box:

[tex]15 \: boxes = 3 \: meters \\ 1 \: box = \{ \frac{(1 \times 3)}{15} \} \: meters \\ \\ = \frac{3}{15} \: m \\ \\ { \boxed{ \boxed{= \frac{1}{5} \: metres}}} \: \: or \: \: { \boxed{ \boxed{ = 0.2 \: m}}}[/tex]

13/17 as a decimal and a percent

Answers

Answer:

53.8462%

1.857

Step-by-step explanation:

A roller coaster car goes above and below ground. Use the number line to
changes in height. What is the height of the car at the end of the ride?

Answers

Answer:

The height of the car at the end of the ride is 4 meters

Step-by-step explanation:

The line joining (3, p) to (7, –4p) is parallel to the line joining (–1, –3) to (3, 7). Find p.

Answers

Answer:

p = - 2

Step-by-step explanation:

Calculate the slope m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (- 1, - 3) and (x₂, y₂ ) = (3, 7)

m = [tex]\frac{7-(-3)}{3-(-1)}[/tex] = [tex]\frac{7+3}{3+1}[/tex] = [tex]\frac{10}{4}[/tex] = [tex]\frac{5}{2}[/tex]

Parallel lines have equal slopes

Calculate the slope of the other 2 points and equate to [tex]\frac{5}{2}[/tex]

with (x₁, y₁ ) = (3, p) and (x₂, y₂ ) = (7, - 4p)

m = [tex]\frac{-4p-p}{7-3}[/tex] = [tex]\frac{-5p}{4}[/tex] = [tex]\frac{5}{2}[/tex] ( cross- multiply )

- 10p = 20 ( divide both sides by - 10 )

p = - 2

It is 2.5 to LR and another hour to Dallas
If I am traveling to Little
Rock for a flight, I have to
drive 2.5 hours. I am
flying to Dallas. To fly to
Dallas it takes
approximately an hour
from Little Rock. What
fraction of my trip is the
drive to Little Rock?
Round to the nearest
hundreth.

Answers

Answer:

Step-by-step explanation:

First make sure everything is in hours, yes everything is in hours !

So the fraction of little Rock to the rest is little Rock over the total.

2.5 hour/ 3.5 hours

0.714

In 2008, Social Security tax was 6.1%, to the maximum income of $108,000. If Randall
earned $116,200 in 2008, how much Social Security did he pay?

Answers

The answer is 8,200 because 108,000 plus 8,200 = 166,200

Nina can braid 144 inches of rope in 3 hours find her unit rate round your answer to the nearest thousand

Answers

Answer:

48 inches

or

0.8 minutes

Step-by-step explanation:

To find the unit rate of inches per hour, divide 144 by 3.

144÷3=48

You don't need to round because there are no decimals.

To find the time to braid 1 inch, first multiply 3 by 60 (because there are 60 minutes in 1 hour).

3×60=180

Then divide 144 by 180.

144÷180= 0.8

You don't need to round because there are no thousandths.

Find all the missing elements:
В.
a
С
B = 60°
b = 7
C = 3
Ab
C
A = [?]° C = [ ]º a = [ ]
Round to the nearest tenth.
I
Enter

Answers

Answer:

A=90° C=30° a=8

Step-by-step explanation:

A=90° C=30° a=8

Yo can you help with this

Answers

Answer:

yea for sure

Step-by-step explanation:

So  the equation is y = x + 8. We already have the answers for x, so we just need to solve for y.

We can use this same equatoin to find y.

Let's start with the first example, 2.

y = 2 + 8. 2 + 8 = 10, so the first box would be 10.

next is 0. 0 + 8 is 8 , so the second box would be 8.

The third box has x as 4. 4+8 is 12, so the last box is 12.

Hope this helps!

x, y

(2, 10)

(0, 8)

(4, 12)

all you need to do is add the numbers under x 2,0,4 to 8. y=x+8 just plug the numbers in.

10=2+8

12=4+8

8=0+8

Joes account was 1 more than one half of Chandras account. The sum of their accounts was $751. Find the amount of Joes account

Answers

Answer:

251$

Step-by-step explanation:

Let's say x represents Joes's account.

And y represents Chandra.

Since Joses account was 1 more than one half of chandra, the amount for Joes would be x = 1/2*y + 1

Now we can just say y = Chandra's amount.

So x + y = 751

And x = 1/2*y + 1

We have a systems of equation, and just plug in 1/2*y + 1 for x.

1/2*y + 1 + y = 751

1/2*y + y = 750 (subtract both sides by 1)

distribute y so...

y(1/2 + 1) = 750

y = 750/1.5

y = 500

Remember, y is Chandra. So plug in 500 for y in Joses equation, so 1/2(500) +

is 250 +1 so 251.

What are the percents of each of these?

Answers

Answer:

1. 80%

2. 12.5%

3. 10%

Step-by-step explanation:

The figure contains 100 equal squares, so the number of squares shaded is equal to the percentage of squares shaded.

I need help ASAP pleaseee

Answers

Answer:Price of laptop A = $1220

Step-by-step explanation:

Sum of the price: A + B = 2185

Sum of the price: A + C = 2571

B : C = 5 : 7

B = 5/7 × C

So, replace the B:

A + 5/7 C = 2185

A + C = 2571

Eliminate by subtracting the first from the second: 2/7 C = 386

C = 1351

So, A = 2571 - 1351 = 1220

Please help!!!! Due tm!!! NO LINK

Answers

Answer:

-42

Step-by-step explanation:

Kojo wants to be an author. To improve his writing skills, every day after school he writes 3 pages of a story he is working on. Kojo has been writing his story for days. He has a total of 81 pages completed.
Write an equation to describe this situation.

Answers

Answer:

days = pages / rate =  81 pages // 3 pages  / day

Step-by-step explanation:

pages = 81 pages

rate = 3 pages / day

days = ?

days = pages / rate

days = 81 // 3 pages / day

days = 27 days.

What is 2.1 written as a mixed number?

Answers

If your talking about decimals 2.1 then:

Step 1) Convert 2.1 into a fraction; 21/10

Step 2) Convert 21/10 into a mixed number. 10 can go in 21 2 times, leaving us with 1. 2 is the whole number and 1 is the numerator. 10 will continue to be the deniometor.

2 1/10

I hope I've helped!

Line l contains the points A(-2, 2) and B(-1,0), and line k contains the points C(0,4) and D(1, 2).
Are lines land k, parallel? Justify your response.

O Yes, both lines have a slope of —2, so they are parallel.

O No, the two lines do not have the same slope, so they are not parallel.

O There is not enough information to determine the answer.

O Yes, both lines have a slope of 2, so they are parallel.

Answers

yes, both lines have a slope of -2

Answer:

Yes, both lines have a slope of −2,

so they are parallel.

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