At the start of a race, a runner’s velocity changes from 0 to 4,0 m/s. It takes him 2 seconds to speed up. His
acceleration is ___ m/s2.

Please answer with a explanation if you can.

Answers

Answer 1

Answer:

2 m/s²

Step-by-step explanation:

Given:

v₀ = 0 m/s

v = 4.0 m/s

t = 2 s

Find: a

a = (v − v₀) / t

a = (4.0 m/s − 0 m/s) / 2 s

a = 2 m/s²

Answer 2

Answer:

At the start of a race, a runner’s velocity changes from 0 to 4.0 m/s. It takes him 2 seconds to speed up. His acceleration is 2 m/s2.

Explanation:

Acceleration is the rate at which velocity changes. To find the acceleration, divide the change in velocity (final velocity − initial velocity) by the time interval. In this example, the change in velocity is 4.0 m/s in 2 seconds. So, divide 4.0 by 2.

I hope this explanation helps you understand accelerations!


Related Questions

Integer expression
-20-55-2-5-1-27

Answers

-20-55=-75-5=-80

-80-2=-82-1=-83

-83-27=-110

hope it helps!

Answer the following question: Melissa was collecting
stickers in her sticker album. She decided to organize
them with an equal amount on each page. If her album
had 40 pages, and she had 32 stickers on each page,
how many stickers will Melissa have if her album is
completely full?

Answers

Answer:

1,280

Step-by-step explanation:

6x+14y=28 in slope incerpt form?

Answers

Answer:

y = -2/7x + 2

Step-by-step explanation:

If we rewrite 6x+14y=28 into slope intercept form, it becomes 14y = -6x +28. When we divide the whole thing by 14 to get a singular y, -6x becomes -2/7x since 6/14 = 2/7, and 28 becomes 2.

Can you help me find x/5+7=16 Because I don’t know what it is.

Answers

Answer:  x=45

STEPS:

1

Add the same term to both sides of the equation

2

Simplify

3

Multiply all terms by the same value to eliminate fraction denominators

4

Simplify

Answer:

x = 45

Step-by-step explanation:

x/5 + 7 = 16

      - 7 = - 7

x/5 = 9

x times 5 = 9 times 5 = 45

therefore x = 45

Please help me thanks!

Answers

Answer:

1278.8 ft^3

Step-by-step explanation:

radius of cylinder = r = 5.8 ft

height of cylinder = h = 8.9 ft

radius of cone = r = 5.8 ft

height of cone = H - h = 18.5 ft - 8.9 ft = 9.6 ft

volume = volume of cylinder + volume of cone

V = (pi)(r^2)h + (1/3)(pi)(r^2)(H - h)

V = (3.14159)(5.8^2 ft^2)(8.9 ft) + (1/3)(3.14159)(5.8^2 ft^2)(9.6 ft)

V = 1278.8 ft^3

Answer:

If you use 3.14 for pi

1278.1 ft^2

Using the pi button on the calculator

1278.8 ft^2

Step-by-step explanation:

First find the volume of the cylinder

V = pi r^2 h where r is the radius and h is the height of the cylinder

V = pi ( 5.8) ^2 ( 8.9)

V = pi *33.64 * 8.9

V = 299.396 pi

The find the volume of the cone

V= 1/3 pi r^2h

The height of the cone is  18.5- 8.9 =9.6

V= 1/3 ( pi ) ( 5.8)^2 ( 9.6)

V= 1/3 ( pi ) 33.64 ( 9.6)

V = 107.648 pi

Add the two volumes together

299.396 pi + 107.648 pi

407.044 pi

If you use 3.14 for pi

1278.11816 ft^2

Rounding to the nearest tenth

1278.1 ft^2

Using the pi button on the calculator

1278.76644

Rounding to the nearest tenth

1278.8 ft^2

There are 34 people in a restaurant. Four groups of 3 people leave, and then
5 groups of 2 people arrive. Evaluate the expression 34 4 3 5 2 −•+• to
determine how many people are in the restaurant.

Answers

Answer:

22 people

Step-by-step explanation:

If 4 groups of 3 people leave, multiply:

4 x 3 = 12

5 groups of 2 people leave, multiply:

5 x 2 = 10

Now add:

12 + 10 = 22 people that left the restaurant.

Good luck, hope this helped!

help me i need help i am in desperate need bork bork squeal

Answers

Area of a square = side^2

In this problem,

Side = 4in

Therefore,

Area = 4^2 = 16in^2

Area of a rectangle = length * width

In this problem,

Length = 6in

Width = 12.5in

Area = 75in^2

Area of a parallelogram = base * height

In this problem

Base = 10in

Height = 3.5in

Area = 3.5 * 10 = 35in^2

Now we add up the area from each shape

35 + 75 + 16 = 126in^2

is 2/3 a rational number?

Answers

Answer:

Yes

Step-by-step explanation:

A number that can be written as a ratio of two integers, of which denominator is non-zero, is called a rational number.

Therefore 2/3 is a rational number.

Triangles U V W and X Y Z are shown. Angles V U W and Z X Y are congruent, angles U W V and X Z P are congruent, and angles U V W and Z Y X are congruent. The length of side U V is 50, the length of V W is 60, and the length of U W is 40. The length of side Z Y is 48, the length of Y X is 40, and the length of Z X is 32.
Which statement best describes triangles UVW and XYZ?
They are similar and congruent.
They are similar, but not congruent.
They are congruent, but not similar.
They are neither congruent nor similar.

Answers

The triangles UVW and XYZ are concurrent and similar, so option A is correct.

What is triangle?

Triangle is one of the fundamental shapes in geometry is represented by the symbol Δ and consists of three connected vertices, known as triangle.

Given:

Angles VUW and ZXY are congruent, angles UWV and XZP are congruent, and angles UVW and ZYX are congruent. The length of side UV is 50, the length of VW is 60, and the length of UW is 40. The length of side ZY is 48, the length of YX is 40, and the length of ZX is 32.

Here the triangles are congruent by the AAA congruence and the length of the first triangle is in the ratio 40:50:60 = 4:5:6 and the side of the second triangle is also in the ratio 32:40:48 = 4:5:6 therefore they are also similar.

Therefore, the triangles UVW and XYZ are concurrent and similar.

To know more about Triangles:

https://brainly.com/question/16886469

#SPJ6

Answer: B: They are similar, but not congruent

Step-by-step explanation: edge2022

Let X be a binomial random variable with p=0.3 and n=15. What is P(X=5)?

Answers

Answer:

0.20613038098

Step-by-step explanation:

The formula for Binomial Probability =

P(X) =[ n!/(n - x)! × x! ] × p^x × q^n - x

From the question

x = 5

n = 15

p = 0.3

q = 1 - p

= 1 - 0.3 = 0.7

P(x = 5) = [15!/(15 - 5)! × 5! ] × 0.3^5 × 0.7^15 - 5

P(x = 5) = 3,003 × 0.3^5 × 0.7^10

P(x = 5) = 0.20613038098

Therefore, P(x = 5) = 0.20613038098

How to check if a number is a power of another number?

Answers

Answer:

If x^n  = y, then y is a power of x

Step-by-step explanation:

Take two numbers, x & y

To check whether, y is a a power of x

By hit & trial method, calculate x^n (approximately considered to near y). Try for many such no.s

If at any value x^n = y, then y is a power of x

Ex : Let x = 5, y = 625

By hit & trial, n = 3 or 4,

5^3 = 125 , 5^4 = 625

So, 625 is a power of x

How do you do number 4 cuz omggg

Answers

LM + MN = LN

5x + 5 = 11x - 1

Add 1 to both sides and subtract 5x from both sides

6 = 6x

Divide each side by 6

1 = x

MN = 5

LM = 5(1) = 5

LN = MN + LM = 5 + 5 = 10

6 divided by 2 (1+2) = ?

Answers

Answer:

6/2 (1+2) = 9

Step-by-step explanation:

6/2 (1+2)

Order of operations PEMDAS

Parentheses first 6/2(3)

Multiplication and division go left to right

3(3)=9

Answer:6÷2(1+2)×3

Step-by-step explanation:

Katarina is buying types of bird seed by the pound. For 11.00, she can buy 2 pounds of thistle seed and 1.5 pounds of sunflower seed. For 23.50 she can buy 3 pounds of thistly seed and 4 pounds of sunflower seed. How much does a pound of sunflower cost

Answers

Answer:

Step-by-step explanation:

2t + 1.5s = 11

3t + 4s = 23.50

6t  + 4.5s = 33

-6t - 8s =   -47

-3.5s = -14

s = $4 a pound for sunflower seeds

helpp me please !!!!

Answers

51. is -150. you just minus 350 from 200

Step-by-step explanation:

55. 162 +54=216

216-75=141

balance $141

(10 pts) (a) (2 pts) What is the difference between an ordinary differential equation and an initial value problem? (b) (2 pts) What is the difference between a particular solution and a general solution? (c) (3 pts) Given an example of a second-order linear ODE and a second-order nonlinear ODE that is not in the text, Chapter 1. (d) (3 pts) Give an example of a nonlinear 4th-order ordinary differential equation.

Answers

Answer:

Step-by-step explanation:

(A) The difference between an ordinary differential equation and an initial value problem is that an initial value problem is a differential equation which has condition(s) for optimization, such as a given value of the function at some point in the domain.

(B) The difference between a particular solution and a general solution to an equation is that a particular solution is any specific figure that can satisfy the equation while a general solution is a statement that comprises all particular solutions of the equation.

(C) Example of a second order linear ODE:

M(t)Y"(t) + N(t)Y'(t) + O(t)Y(t) = K(t)

The equation will be homogeneous if K(t)=0 and heterogeneous if [tex]K(t)\neq 0[/tex]

Example of a second order nonlinear ODE:

[tex]Y=-3K(Y){2}[/tex]

(D) Example of a nonlinear fourth order ODE:

[tex]K^4(x) - \beta f [x, k(x)] = 0[/tex]

Zoe buys a new car for $26,750. If that price includes a 7% sales tax, what is the price of
the car before taxes?

Answers

Answer:

24877.5

Step-by-step explanation:

%7 of 26,750 is 1,872.5

Subtract: 26,750 - 1,872.5

Then the answer is 24877.5

the midpoint of is M(4,-3) One endpoint is G(-2,2). find the coordinates of end point​

Answers

The other endpoint is (10, -8

Peter bought 8 lemons for $6dollar sign, Each lemon was the same price.

Answers

Answer:  Each lemon costs 75 cents

Step-by-step explanation:

If you divide 8 from 6 then the answer is .75 and that is your answer.

What is x( -3 -x) equal to?

Answers

Answer:

-3x-x^2

Step-by-step explanation:

It is known that 4 PLEASE HELP

Answers

Answer:

  4 < 2a -4 < 10

Step-by-step explanation:

You have an expression for 'a'. To get an expression for 2a-4, multiply it by 2 and subtract 4.

  4 < a < 7

  8 < 2a < 14 . . . . . . multiply by 2

  4 < 2a -4 < 10 . . .  subtract 4

2.
Find the distance between A and B.
O A. 355 units
B. 7 units
O C. 3 units
OD. 153 units

Answers

Answer:

D

Step-by-step explanation:

Delta x is 7 and delta y is 2, according to Pythagoras a^2+b^2=c^2 so 49+4=53 and sqrt(53) is your answer.

The answer is D) 153 units

A tree is 66 inches tall. How tall is it in feet and inches?

Answers

Answer:

5 feet and 6 inches

Step-by-step explanation:

5 feet is 60 inches

Answer:

5 feet 6 inches

a foot is 12 inches. Go by 12s until you get to a number that's as close as you can make it without going overboard, then count what's left. 12 × 5 = 60, 66 - 60 = 6, hence 5 feet 6 inches

Which table represents the same relation as the set StartSet (negative 6, 4), (negative 4, 0), (negative 3, 2), (negative 1, 2) EndSet?

Answers

Negative 4,0 because I know it

Answer:

Graph b

Step-by-step explanation:

ED2020

Find the average rate of change from 1 to 6
Let f(x)=8x-3

Answers

Answer:

8

Step-by-step explanation:

To find the average rate of change we use the function

[tex]f(x) = \frac{f(b) - f(a)}{b - a} \\ f(x) = \frac{f(6) - f(1)}{6 - 1} \\ \frac{(8(6) - 3) - (8(1) - 3)}{5} \\ \frac{48 - 3 - (8 - 3)}{5} \\ \frac{45 - 5}{5} \\ \frac{40}{5} \\ 8

[/tex]

Error Analysis your friend evaluate (10-5)/5 and gets 9 for an answer. Explain your friend's error​

Answers

Answer:

REEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEeeeeEEEEEEEEEEEEeeeeeee make sure you thank it.

Step-by-step explanation:

How does the precision of linear measurements affect calculated measurement?

Answers

Answer:

Find the difference (subtract) between the accepted value and the experimental value, then divide by the accepted value. To determine if a value is precise find the average of your data, then subtract each measurement from it.

Step-by-step explanation:

14. Joe has 3 more than half the number of pets his
friend does. Joe has 4 pets. He represented this
situation with the following equation: 4 = 3 + x.
1
2
To figure out how many pets his friend has, Joe wants
to subtract a number from four. He will then multiply the
result by a number to determine how many pets his
friend has.
What number should Joe subtract?
What number should Joe multiply by?
Hey I

Answers

Answer:

3 and 1 respectively.

Step-by-step explanation:

Subtract 3 from 4.

4 = 3 + x

4 - 3 = x

1 = x

Multiply 1 by 1.

The no. of pets friend has = 1

Simplify. (32+1)×2 Enter your answer in the box.

Answers

(32+1) x 2
(33) x 2
66

At Appliance Market, a salesperson sells a dishwasher for $569. She gets a commission rate of 18 percent. Which expression represents how much she will receive in commission from the sale?
569 (0.18)
569 (0.72)
569 (1.18)
569 minus left-bracket (569) (0.18) right-bracket

Answers

Answer:

its A

Step-by-step explanation:

Answer:c

Step-by-step explanation:

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