A car driving at 10.0 m/s southward accelerates at 4.11 m/s2 southward for 7.25 s. what is the car's speed after this amount of time?

Answers

Answer 1

The car's speed after the given amout of time is 19.8 m/s²

How would you define acceleration?

The rate at which an object's velocity with respect to time changes is referred to as acceleration in mechanics. They are vector quantities, accelerations. The direction of the net force acting on an object determines the direction of its acceleration. A point or object going straight ahead is accelerated when it accelerates or decelerates. Any alteration in an object's velocity could take the form of a change in direction of motion or a speed increase or reduction. The moon orbiting the earth, an apple falling to the ground, and a car stopped at a stop sign are a few instances of acceleration.

Average Acceleration =Change in Velocity/ Time Taken

So Change in Velocity is 10-x m/s

Time taken is 7.25 s

Given accelaration 4.11 m/s²

Putting the values we get,

4.11 = (10-x)/7.25

⇒29.8 = 10-x

⇒x=19.8 m/s²

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Related Questions

PLEASE HELP
i don’t understand geometry that well and i need to get this in soon

Answers

Step-by-step explanation:

Take Reference of Z-angle forward and backward and X-Angle if none are  in this category then write none.

-Mark As Brainliest If It Helped You Out

If there are no references for the Z-angle forward and backward or the X-Angle in this category, write none.

Please help me!!! I need help asap on this question Whoever is correct will get brainly!

Answers

Answer:

I am not 100% sure more like 12% sure that it is c

Step-by-step explanation:

A particle moving uniformly along the x axis is located at 16.5 m at 1.82 s and at 4.97 m at 3.81 s. find its displacement during this time interval. answer in units of m\

Answers

For a particle moving uniformly along the x axis is located at 16.5 m at 1.82 s and at 4.97 m at 3.81 s, the displacement is -11.53 m

For given question,

A particle moving uniformly along the x axis is located at 16.5 m at 1.82 s and at 4.97 m at 3.81 s.

We can observe that, for t1 = 1.82 s and t2 = 3.81 s

object is moving from right to left along the x axis.

We know that, the displacement of a particle moving in a straight line is the change in its position.

so, d = 4.97 - 16.5

d = -11.53

The negative sign indicates that the object is moving from right to left along the x axis  for t1 = 1.82 s and t2 = 3.81 s

Therefore, for a particle moving uniformly along the x axis is located at 16.5 m at 1.82 s and at 4.97 m at 3.81 s, the displacement is -11.53m.

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Cynthia Besch wants to buy a rug for a room that is 23 ft wide
and 33 ft long. She wants to leave a uniform strip of floor around
the rug. She can afford to buy 651 square feet of carpeting.
What dimensions should the rug have?

Answers

Answer:

21 feet wide and 31 feet long

Step-by-step explanation:

−4⋅(45)(−1)

What is the product?

Answers

answer: 180

first I multiplied -4 with 45, which gave me -180, then I made 180 positive by multiplying it with -1

Which expression shows the prime factorization of 36? O2×2×3 O 2×3×3 O 2×2×2×3×3 O 2×2× 3x3​

Answers

Answer:

Prime Factorization is 2x2x3x3 also can be written as [tex]2^2x3^2[/tex]

Step-by-step explanation:

Take Lcm Of 36 (Lowest Divisible)

2 | 36

2 | 18    -> Prime Factorization is 2x2x3x3 also can be written as [tex]2^2x3^2[/tex]

3 | 3
3 | 3

  | 1

- If it did help please mark as brainliest

2x24 equals 2x. x6 whats the answer

Answers

I believe we are looking at the equation
2 x 24 = 2X and want to find what 6X would be

So to start off we would want to find X
2 x 24 -> 48
48 = 2X
So divide both sides by 2 to get
24 = X

So now to find 6X
6 x 24 = 144
So 6X = 144

Comment if you have any questions or better clarification! Happy to Help!

Find the difference between simple interest and annual compound interest on Rs 9,600 for 2 yers at the rate of 5 % per annum.​

Answers

Answer:

Rs 984

Step-by-step explanation:

Principal (P) = Rs 9,600

Time (T) = 2 years

Rate (R) = 5%

Simple Interest (SI) = [tex]\frac{PTR}{100}[/tex]

SI = [tex]\frac{9600*2*5}{100}[/tex]

SI = [tex]\frac{9600}{10} = Rs 960[/tex]

Compound Interest (CI) = 9600 * [tex]\frac{41}{100} = 24*41 = Rs 984[/tex]

Question content area the calculation for annual depreciation using the units-of-output method is:________

Answers

Content area the calculation for annual depreciation using the units-of-output method is yearly output.

What are the output method's units?

The productive output, units of production, or units of activity methods are other names for the units of output approach. Depreciation is computed based on the output of the equipment over a given period of time, taking into account the equipment's anticipated lifetime output units.

What is the annual depreciation formula?

The formula for calculating the annual depreciation rate is (100 x Number of Periods in Year)/Number of Periods in Expected Life. The formula annual depreciation rate/number of periods in the year is used to determine the amount of depreciation for each period.

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SOH CAH TOA

I don't understand this stuff I have a test coming up can someone pls help me with this i am stuck​

Answers

I'll help with the question at the bottom of the page. The rest are unfortunately too blurry.

The x is the adjacent side to the reference angle. The 7 is the hypotenuse. The hypotenuse is always opposite the 90 degree angle.

Let's use the trig ratio cosine.

cos(angle) = adjacent/hypotenuse

cos(39) = x/7

7*cos(39) = x

x = 7*cos(39)

x = 5.44002 which is approximate

x = 5.4

Make sure your calculator is in degree mode.

The distance between points A and B is 120 km. A cyclist went from A to B. After 1 hour, the second cyclist went from B to A, whose speed is 2 km/h higher. They met each other in the middle of the road. Find the speed of the cyclist leaving A.​

Answers

Answer: 120km/hr

He went from A to B in 1 hour

Write the equation that represents the line use exact numbers

Answers

Answer:

y= 6/5 x -5

Step-by-step explanation:

You have 2 points. (0,-5) and (5,1)

If you use the formula Y2-Y1 / X2-X1,

you will have 1 - (-5) on the numerator, which equals 6

you will have 5 - 0 in the denominator, which equals 5

6/5 is your slope, and the point on the y-intercept is what you put at the end of the equation.

1. a bank offers a cd that pays a simple interest rate of 7.5%. how much money in dollars must you put in this cd in dollars now in order to have $5,000 in 3 years?

Answers

The money in dollars that must be put in this cd in order to have $5,000 in 3 years is $4,081.63

The formula for simple interest and procedure we will use to solve this exercise is:

A = P {1 + [(R/100) * T]}

Where:

P = principalR = rate of interest in % per annumT = timeA = amount

Information about the problem:

P = ?R = 7.5%T = 3 yearsA = $5,000

Applying the simple interest formula and isolating the principal (P), we get:

A = P {1 + [(R/100) * T]}

$5,000 = P {1+[(7.5/100) * 3]}

$5,000 = P [1+(0.075*3)]

$5,000 = P (1+0.225)

$5,000 = P (1.225)

P = $5,000/ 1.225

P = $4,081.63

What is simple interest?

It is the operation in which we calculate the profit produced by a capital loaned at a given percentage.

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Classify the polynomial by degree and number of terms
v4 - 3v² +5v + 10

Answers

Quadratic polynomial with 4 terms is what this is

Which sequences are arithmetic
-5,5,-5,5…
96,48,24,12,6
18,5.5,-7,-19.5,-32
-1,-3,-9,-27,-81
16,32,48,64,80
Check all that apply

Answers

The option for  sequences are arithmetic are:

18,5.5, –7, –19.5, –3216, 32, 48, 64, 80.

How can the sequence  of arithmetic be calculated?

From the first option we can see that -5,5,-5,5… dose not follow any sequence  of arithmetic.

if we take the  18,5.5, –7, –19.5, which are the digits from the second option and if we find their differences we will get 12.5

Then if we take the numbers from the 16, 32, 48, 64 and find the differences between the first two numbers as well as the last two numbers then we will have 16.

Therefore, since we can have constant results between consecutive numbers then it is sequence  of arithmetic.

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Abby ad brenda had total 190.4 kg rice. after abby gave brenda 64.5kg rice, brenda had 6 times as much as abby. how much rice did abby had at first

Answers

Abby has 36.4 kg rice at first.

Here,

Abby and Brenda had total 190.4 kg rice.

After Abby gave Brenda 64.5kg rice, Brenda had 6 times as much as Abby.

We have to find amount of rice at first.

What is Total amount?

A total is whole or complete amount, and to total is to add numbers or to destroy something.

Now,

Abby and Brenda had total 190.4 kg rice.

Let amount of rice Abby has = x kg

Let amount of rice Brenda has = y kg

x + y = 190.4 kg .....(i)

Abby gave Brenda 64.5kg rice, Brenda had 6 times as much as Abby.

64.5 + y =  6x

6x - y = 64.5 .....(ii)

From equation (i) and (ii) we get;

x = 36.4

Hence, Abby has 36.4 kg rice at first.

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write the value of this expression as a fraction 14/33 x 55/8 x 12/35

Answers

Answer: 1

Step-by-step explanation:

[tex]\displaystyle\\\frac{14}{33} *\frac{55}{8} *\frac{12}{35} =\\\\\frac{14*55*12}{33*8*35}=\\\\\frac{2*7*5*11*3*4}{3*11*2*4*5*7}=\\\\\frac{1}{1}=\\\\1[/tex]

What is the pattern of these numbers 8, 7, 5, 2?

Answers

Answer: The pattern is that you -1 then -2 then -3.

Step-by-step explanation:

If you got 9, 8, 6, 3. You would be subtracting 1 then 2 then 3 then 4 then on and on.

Given f(-3) = -30 for some polynomial, what factor can f(x) be divided by that will result in a remainder of -30?​

Answers

Answer:If you can spot a factor of

f(x)

then you can use synthetic division to divide by that factor to give a simpler polynomial to factor.

Step-by-step explanation:

4/24 = 1/? denominator=​

Answers

the denominator equals 6

Two similar bottles are shown.
The smaller bottle can hold 500 ml of water. How much water can the larger bottle hold? + 2³ 15 cm 主要 66% E 21 cm​

Answers

The larger bottle holds a 700ml volume of water.

What is volume?

Volume is a measure of enthralled three-dimensional space. It's frequently quantified numerically using SI-deduced units or by colorful Homeric units. The description of length is interrelated with volume. Volume is the volume of three-dimensional space enthralled by a liquid, solid, or gas. Common units used to express volume include liters, boxy measures, gallons, milliliters, ladles, and ounces, however, numerous other units live. In mathematics,' Volume' is a fine volume that shows the quantum of three-dimensional space enthralled by an object or an unrestricted face.

Two(2) bottles given in the pic are similar(no difference)

Therefore, the volume/cm height of both(2) bottles will proportional

By using the proportionality rule, [tex]\frac{15}{500} =\frac{21}{x}[/tex]

   x = 700ml(seven hundred)

Hence, the correct answer is 700ml.

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i need help and im so tired PLSSSS

Answers

Answer:

60 ft^2

Step-by-step explanation:

The cubed root of 125 is 5 because (5x5x5) = 125 and there are 12 cubicles so multiply 12 times 5 and that equals the length of 1 row, 60 ft^2.

Help with my math !!

Answers

The third one should be your answer

Answer: 3rd down :D

Step-by-step explanation:

This is because the problem is asking for Q to be in the middle of B and N and the only answer that applys to this is 3 :D.

(-0.216) - (-87.1) please solve within 5 mins

Answers

Answer: I believe the answer is 86.884

Step-by-step explanation:


Solve for y.
23 +18y=-21 + 14y
Simplify your answer as much as possible.
y =

Answers

Answer:

y = -11

Step-by-step explanation:

23 + 18y = -21 + 14y

Combine like terms

18y - 14y = -21 -23

Do the math

4y = -44

Divide both sides by 4

y = -11

use mathematical symbols to write 3 different expressions to represent three groups of five

Answers

The different expressions to represent three groups of five are 3 * 5, 5 + 5 + 5 and 3 + 3 + 3 + 3 + 3

How to write different expressions to represent three groups of five?

The mathematical statement is given as:

three groups of five

The statement three groups of five means

Three multiplied by 5

i.e. 3 * 5

This can also be written as

5 + 5 + 5

Also, it can be expressed as

3 + 3 + 3 + 3 + 3

Hence, the different expressions to represent three groups of five are 3 * 5, 5 + 5 + 5 and 3 + 3 + 3 + 3 + 3

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greatest to least,
7.
1
33,34,3
3 17
20' 5
3.

Answers

The numbers arranged in decreasing order from greatest to least is given by 133 , 53 ,34 ,33 ,20 ,17 ,7 .

Decremental Order When numbers (or other items) are arranged from largest to smallest, this is known as decreasing order.

This is called the sorting of numbers. When various data are given then we can sort the number s accordingly.Numbers can be sorted in the increasing order or decreasing order.Increasing order is sorting from lowest to greatest.

Given numbers are 7, 133 , 34, 33 ,17, 20 , 53.

From looking at the numbers to arrange them in decreasing order we can see that 133 is the greatest of the numbers , so it will come first.

Then comes 53 which is the second highest number , then comes 34 the third highest number and so on unless we get the least number which is 7.

Hence the given numbers are arranged greatest to least:

133, 53, 34, 33, 20, 17.

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The number 3465 is divisible by 11 and 5. Given that you change the position of two or more of these four digits, how many of the resulting numbers are divisible by 11 but not by 5?

Answers

Answer:

Divisible rule of 11

If the number of digits of a number is even, then add the first digit and subtract the last digit from the rest of the number

Divisible rule of 5

Divisibility by 5 is easily determined by checking the last digit in the number.  If the last number is either 0 or 5, the entire number is divisible by 5.

First of all, the number 3456 is not divisible by 11 and 5.

But if we change position of digits then the numbers divisible by 11 are-

3564 / 11= 324

3465 / 11= 315

3465 / 5= 693

4356 / 11 = 396

4653 / 11 = 423

5346 / 11 = 486

5643 / 11 = 513

6534 / 11 = 594

6435 / 11 = 585

6435 / 5=1287

But the numbers 3465 and 6435 are also divisible by 5

So the numbers divisible by 11 but not with 5 are:

3564 , 4356, 4653, 5346, 5643 and 6534

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find measure of MK in the image below

Answers

Answer:

ok is the corr!ctewwwdeeecceeeeecrrr\g

There are 3 less than twice as many cats than dogs in the local animal shelter. If there are 210 cats and dogs
combined, how many dogs are in the animal shelter?
71 dogs
70 dogs
76 dogs
80 dogs

Answers

Answer: 71 dogs ==> 1st option

Step-by-step explanation:

c=cats. d=dogs.

2d-3=c

d+c=210

d+2d-3=210

3d-3=210

3d=213

d=71 dogs ==> 1st option

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