calculate the time taken for a train to travel 1000m if its initial is 3 m/s and it is moving at a constant acceleration of 0.1m/s^2

Answers

Answer 1

Answer:

Step-by-step explanation:

For obects already in motion, the distance travelled, s, is:

s = vi*t + (1/2)at^2

where vi is the initial velocity, a is the acceleration, and t is the time in seconds.

We want the time, t, to reach 1000 meters.

1000 m = (3 m/s)*t + (1/2)*(0.1m/s^2)*(t^2)

(1/2)*(0.1m/s^2)*(t^2) = 0.05t^2

0.05t^2 + 3t -1000 = 0

Solve quadratic equation:

t = 114.6 seconds


Related Questions

HELPOOPPP AND IF YOU DONT GET IT RIGHT I REPORT

Answers

Answer:

(-4,2)

Step-by-step explanation:

Answer:

(-4,2)

Step-by-step explanation:

hope this helps

y+5=(x+7) in slope-intercept form

Answers

Answer:

(x)/(7)+(y)/(5)=2

Step-by-step explanation:

(x)/(7)+(y)/(5)=2

Find the vaule of x. then classify each triangle as acute, right, or obtuse

Answers

Answer:

1) = 90=acute angle   2)103=acute angle

Step-by-step explanation:

Answer:

1.) x = 90 (Right angle)

2.) x = 103 (Obtuse angle)

Step-by-step explanation:

All triangles' angles have a sum of 180°.<90° = Acute, 90° = Right, >90° = Obtuse

[tex]1.)\\x+48+42=180\\x+90=180\\x=90\\\\2.)\\x+45+32=180\\x+77=180\\x=103[/tex]

Can 0.06 be rational or irrational???

Answers

Step-by-step explanation:

it would be irrational insta dfl.jacob if you need more help

Answer:

Rational

Step-by-step explanation:

0.06=3/50

if the graph of an inverse passes the ______, you know that the inverse is a function

Answers

Answer:

1) vertical-Line test(VLT)

2)y=x

3)x

4)domain

Step-by-step explanation:

I had to look this up because I don't think you gave the full question.

How many solutions exist for the given equation?

3(x – 2) = 22 – x

Answers

3(x - 2) = 22 - x

3x - 6 = 22 - x

3x + x = 22 + 6

4x = 28 / : 4

x = 7

Only one solution

PLS HELP WILL MARK BRAINLIEST, NO FAKE ANSWERS

Answers

Answer:

1. 4a+5b

2. 6p+4r

3.  -20y-3x

Answer:

1.   4a + 5b;   2.  6p + 4r;    3.  -22y - 3x

Step-by-step explanation:

1. (4a + 5b) + (2a - 6b) - 2(a - 3b)

  (4a + 5b) + (2a - 6b)  + (- 2a + 6b)         Distributive

 (4a + 2a -2a) + (5b - 6b + 6b)                 Combine like terms

  4a + 5b

 2.  2(5p - q + 2r) - (p + 4q + 3r) - 3(p -2q - r)  

       10p - 2q + 4r - p - 4q - 3r - 3p + 6q + 3r

       (10p - p -3p) + (-2q - 4q + 6q ) + ( 4r - 3r + 3r)

         6p + 0 + 4r

          6p + 4r

3.    - (9y + x) + 2(x - 6y) - (4x + y)

         -9y - x  + 2x - 12y - 4x - y

        (-9y -12y -y) + (-x + 2x - 4x)

           -22y - 3x

     

bindus choir class is performing a concert. she wants to buy as many tickets as she can afford. if tickets cost $3.25 each and she has $14.25 to spend, how many tickets can she buy?​

Answers

Answer:

4 tickets

Step-by-step explanation:

1 ticket is $3.25

2 ticket is $6.5

3 ticket is $9.75

4 ticket is $13

5 tickets is over and makes $16.25

Determine whether the ordered pair (0, 2) is a solution to the equation –2x + y = –1.

Answers

Answer:

Below.

Step-by-step explanation:

The ordered pair (0, 2) tells us that x = 0 when y = 2.

We just plug these values in the given equation and see if the left side = the right.

Left side = -2(0) + 2 = 2.

Right side = -1.

- so they are not a solution.

find the gcf

x^2 -4x-21

Answers

Answer:

i hated doing those

Step-by-step explanation:

GIVING BRAINLIEST! PLZ HELP !!!!!

Answers

[tex]\huge\mathtt\colorbox{white}{}[/tex]

What is m<M?
no links please!!!!​

Answers

Answer:

m<M is 98°............

What is the value of each number in 8,236,014,597?

Answers

Answer:

8= 8 Billion,2 = 2 Hundred Million,  3 = 30 Million , 6 = 6 Million , 0 =Hundred Thousands , 1 = 10 Thousand , 4 = 4 Thousand , 5 = 5 Hundreds , 9= 9 Tens, and  7 = 7 Ones

Step-by-step explanation:

Select all that apply. To create perpendicular lines, I can transform a line by:
1. Rotating the line 270° around any point.
2. Translating the line horizontally.
3. Rotating the line 45° around any point, then rotating it another 45° around any point.
4. Translating the line vertically.
5. Reflecting the line over itself.
6. Rotating the line 45° around any point.
7. Reflecting the line over any point on the line.
8. Rotating the line 90° around any point.

Answers

Answer:

8. Rotating the line 90° around any point.

Step-by-step explanation:

Perpendicular lines intersect each other at a right angle. Therefore, the transformation should create an image that intersects the preimage at an angle of 90∘. Since a rotation changes the angle between the preimage and the image, it can create perpendicular lines.

Jessica is stacking items on a shelf she has large books that weigh 5 pounds each and medium books that weigh 3 pounds each. The shelf should hold at most 50 pounds.
Let x represent the number of large books.
Let y represent the number of medium books.

Which inequality represents the situation?

a.) 5x + 3y < 50 b.) 5x +3y ≤ 50 c.) 5x + 3y ≥ 50 d.) 5x + 3y > 50

Answers

Answer:

b) 5x +3y ≤ 50

Step-by-step explanation:

4a+3=40 help please!!!!

Answers

4a + 3 = 40

---Subtract 3 from both sides

4a = 37

---Divide both sides by 4

a = 37/4 = 9 1/4 = 9.25

Hope this helps!! :)

Answer:a= 9 1/4 as a mixed number

Improper: 37/4

Move all terms that don't contain a to the right side and solve.

The product of Victor's savings and 4 is 48.

Answers

Product=result of multiplication. We know that a number, we will cal “x,” times 4 = 48. Therefore:
• 1) 4x=48
• 2) 4x/4=48/4 [Division Property of Equality]
• 3) X=12

Now, we can substitute in 12 for x to check that the product is 48:
• 4) 4(12)=48
•5) 48=48 [Reflexive Property of Equality]

the sum of the measures of the angles of all triangles is 180 degrees.if one angle of the triangle measures 45 degrees,and other two angles are equal.what is the measure of the other two angles?

Answers

Answer:

67.5 degrees.

Step-by-step explanation:

Let the measure of two equal angles of the triangles is x.

Thus, the angles of the triangles are x, x and 45 degrees.

Answer:

67.5°

Step-by-step explanation:

Given:

All triangles is 180°

One Triangle measure 45°

2 Other Angles are equal

To Find:

Two Other Angles

Solution:

180°- 45° = 135°

135° ÷ 2 = 67.5°

Therefore the other two angles are 67.5°

write 4270000 in scientific notation​

Answers

4.27x10*6
i cant get it to come up properly but its to the power of 6

What is the value of x in the equation 2(x−3)+9=3(x+1)+x?
a. x = −3
b. x = −1
c. x = 0
d. x = 3

Answers

Answer:

x=0

Step-by-step explanation:

1st Step(Plug in 0 for x):   2(0-3)+9=3(0+1)+x

2nd Step(Simplify):   2*(-3)+9=3*(1)+x

3rd Step(Multiply):   -6+9=3+x

4th Step(Add):   3=3+x

5th Step(Subtract 3 from both sides): x=0

For any questions saying what is the value of x in the equation, just plug in one of the options from a,b,c,d. And work from there

HELP ME PLEASE IM CRYING

Answers

When setting compensation, it is generally better to use the median as opposed to the mean for a simple reason: the mean or average is very sensitive to outliers (abnormally low or high values), while the median is much less affected by outliers.

Write the standard form of 7384000000​

Answers

Answer:To write a linear expression in standard form, rearrange the terms in alphabetical order.

7384000000

Step-by-step explanation:

Answer:

738400000.0

Step-by-step explanation:

738400000.0*10^10

Which algebraic expression represents this phrase?
the product of 40 and the distance to the finish line
A. 40 - d
B. 40 • d
C. 40/d
D. 40 + d

Answers

the answer is B

the product of something means to multiply

plz help with this question ill mark u brainlist

Answers

You should find the area under the curve. Which will give you multiple shapes. That are 3 triangles and one rectangle. Then use the Rule of the area of the triangle which is 1/2 × base × height then lastly. When you find the area for each shape you then find the sum of all the distance to give you the full area under the curve.

WILL GIVE BRAINLIST PLZ ANSWER THX


Solve the equation you wrote in part b to find how many hours you would have to work to pay for the first year of video streaming service. Show your work and round your answer to the nearest tenth

Answers

Answer:

c=4.95+3.99b

Step-by-step explanation:

4.95 is the monthly fee. we do not need a variable for this because we know what it is and it only happens once in the problem. the b is how many movies you purchase times 3.99

The person above me is correct I got it right

The height of the tide at the Bay of Fundy in New Brunswick decreases 36 feet in 6 hours. What is the mean hourly change in the height in feet per hour?

help

Answers

Answer:

6 feet per hour

Step-by-step explanation:

36 / 6 = 6

Find an equation for the perpendicular bisector of the line segment whose endpoints
are (8, 7) and (-4,3)

Answers

Answer:

y = -3x + 11.

Step-by-step explanation:

The slope of the given line segment  is (3-7)/(-4-8) = -4/-12 = 1/3.

The midpoint of the line has  coordinates (8-4)/2, (7+3)/2.

= (2, 5).

The slope of  the  perpendicular bisector = -1/ 1/3 = -3.

So it's bisector has equation:

y - y1  = m(x - x1)=

y - 5 = -3(x - 2)

y = -3x + 6 + 5

y = -3x + 11.

Where on the coordinate plane is the point (-85, 52) located?

Answers

Right answer but i am not conform

x = - 85

y = 52

Solve.
17. Kevin lives on a city block that has a perimeter of w- 2 miles. Each day he
runs around the block 3 times and then runs to the high school, which is an
additional 2 miles. How many miles does Kevin run in d days?

Answers

Answer: 8 miles a day

Step-by-step explanation:

help rn please!! I’ll mark as brainliest for the first person to answer

Answers

c is the answer i thinkkk
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