A pyrotechnician plans for two fireworks to explode together at the same height in the air. They travel at speeds shown below. Firework B is launched 0.25 s before Firework A. How many seconds after Firework B launches will both fireworks​ explode?

A Pyrotechnician Plans For Two Fireworks To Explode Together At The Same Height In The Air. They Travel

Answers

Answer 1

Answer:

  3.25 seconds after B launches

Step-by-step explanation:

In the 0.25 seconds before A launches, B will have traveled ...

  distance = speed · time

  distance = (240 ft/s)(0.25 s) = 60 ft

The speed of A is 20 ft/s faster, so will close that 60 ft gap at the rate of 20 ft/s. It will take ...

  time = distance/speed

  time = 60 ft/(20 ft/s) = 3 s

The fireworks will be at the same height 3 seconds after A is launched. That is 3.25 seconds after B is launched.

_____

Additional comment

Their heights will be (3 s)(260 ft/s) = 780 ft = (3.25 s)(240 ft/s).


Related Questions

How can magnets cause objects to have kinetic energy? How can magnets cause objects to move? Use and bold these key words in your answer. convert, kinetic energy, potential energy, magnets

Answers

Answer:

 If there is a system of magnets being held in place, there is potential energy

Step-by-step explanation:

pretty sure you've seen this answer before but 8ts right so just go along with it ok bud?

Answer:

Okay

Magnets work because opposite poles are attracted to each other, this is how the objects move (depending on how the atoms and how to iron is, it could be much stronger or weaker)

If there is a system of magnets there is potential energy, when you let go of the magnets (or when they stick together) it converts the potential energy to kinetic energy because it moved.

Step-by-step explanation:

3x-1 over 5 = x+1 over 3

I need asap

Answers

Answer:

(3x-1)/5= (x+1)/3

3(3x-1)=5(x+1)

then solve which the final answer will give you x=8

Solve for x
2(x−1)=5(x−2)
Give your answer as an improper fraction in its simplest form.

Answers

Step-by-step explanation:

2(x-1)=5(x-2)

=2x-2=5x-10

=2x-5x= -10+2

= -3x= -8

=

[tex] \frac{8}{3} [/tex]

Answer:

[tex]x \: = \: \frac{8}{3} [/tex]

Step-by-step explanation:

Given Question:-To solve for x

Given Equation:-2(x−1)=5(x−2)

Solution:-

2(x - 1) = 5(x - 2)

=> 2 × x - 2 × 1 = 5 × x - 5 × 2 [Distributive property]

=> 2x - 2 = 5x - 10 [Simplification]

=> 5x - 2x = 10 - 2 [Bringing like terms on one side]

=> 3x = 8 [Simplification]

[tex] = > x = \frac{8}{3}(ans) [/tex]

[In simplest form of improper fraction]

Angle ABC And BCA a are complementary angle ABC is 85° if angle BCA is named as 3b -7 what could be the value of b?

Answers

Complementary angles add to 90 degrees

Therefore,

angle ABC + angle BCA = 90

But, angle BCA = 3b - 7

and angle ABC = 85

Therefore,

85 + 3b - 7 = 90

3b - 7 = 5

3b = 12

b = 4

I’m in 7th grade and don’t know this. Dndjdjdjdjsnnsndxj

Answers

Answer:

Step-by-step explanation:

Let's go:

Right: have an angle measuring 90°.

Equilateral: all 3 sides of triangle are same value.

Obtuse: have an angle measuring > 90°

Scalene: all 3 sides of triangle are different value.

In this case:

The Green one is Scalene and obtuse.

The red one is equilateral.

I hope I've helped you.

Green- obtuse( angle above 90°)
Red- equilateral(all angles are the same

Could anybody help me out with this?
I would really appreciate it! (Algebra Problem)​

Answers

Answer:

44

Step-by-step explanation:

You substitute 9 for x and then work it out following the order of operations.

f(9) = | 1-5(9) |

     = | 1-45 |

     = | -44 |

     = 44

Answer: 44

Step-by-step explanation:

solve the equation and justify each step using the algebraic properties of equality

Answers

Answer:

-5

Step-by-step explanation:

3x=-13-2

3x=-15

x=-5

Please help me with this question. What formula would you use to find the missing lengths of the right triangles?

Answers

a2 + b2 = c2 can be use to find missing lengths of the right triangles

A school carnival sold 24 early-admission tickets and 72 regular tickets. What percentage of the tickets sold were early-admission tickets? Write your answer using a percent sign (%).

Answers

Answer:

25%

Step-by-step explanation:

add both kinds of tickets first to get the total

24 early admission + 72 regular = 96 total tickets

then divide 24 early tickets by 96 total tickets to get the decimal, then multiply by 100 to get percent

[tex]\frac{24}{96} = 0.25 * 100 = 25[/tex]%

Question: What does the slope represent in this situation?

Answers:

(A) The total cost of the tomatoes

(B) the cost for each pound of tomatoes

(C) the total number of pounds of tomatoes

(D) the number of pounds of tomatoes for each dollar paid

Answers

The answer is a it says it above the graph

4e+ g2- Зе – 9 – g help​

Answers

Answer:   e + g2 - g - 9

Step-by-step explanation:

Pleased help math experts urgent

Answers

Answer:

1. get closer to 0

2. symmetrical across y=-x

3. x cannot be equal to 0

4. decreasing if x<0, increasing if x>0

Step-by-step explanation:

yes

2). You are to construct the walls for the storage building that will be 8' high; using the

dimensions previously given, how many sheets of paneling will be needed to cover all four

walls? (1 panel size is 4' wide and 8' tall).

3). The vertical members for the wall are spaced 16" apart. How many vertical members is

needed for a wall 12' long?

Answers

Answer:28

Step-by-step explanation:

This diagram shows a pre image triangle ABC and its image triangle A'B'C.,after a series of transformations. Select from the drop down menu to correctly complete the transformations. NEED HELP ASAP!!!!​

Answers

Answer:

First blank: translated

Second blank: Reflected across the x axis

Third blank: Rigid (if that's an answer choice)

Fourth blank: congruent

Step-by-step explanation:

This graph shows a system of equations what is the solution to the system of equations 1.(-2,2) 2.(2,2) 3.(2,-2) 4.(-2,-2)

Answers

Answer:

I honestly don't know that fashoo

Michael paid an entrance fee of $8 plus an additional $2.25 per game at the bowling alley. He spent $50.00. Write and solve an equation to determine how many games Michael played.

Answers

Answer:

4

Step-by-step explanation:

$8.00+$2.25 = $10.25

$50.00÷$10.25= 4.

guys help right now i need a answer

Answers

Answer:

Step-by-step explanation:

Four quadrants:

Quadrant I (right side, above the x-axis to the right of the y-axis).

Quadrant II (left side, above the x-axis to the to the left of the y-axis).

Quadrant III ( left side , below the x-axis to the left of the y-axis).

Quadrant IV  (right side, below the x-axis to the right of the y-axis

                          Y

                            l                      

           II  (-x, y)    l           I      (x, y)      

    x                      l                        x

             III            l        IV    

         (-x, -y)         l        (x, -y)

                            l

                          Y      

 Now you can answer the questions by locating the point and explain.

Craig has a job waiting tables where he earns $3.45 per hour plus tips. Craig earned $73.68 in tips during his shift yesterday.

If x represents the number of hours Craig worked yesterday, which of the following equations can be used to find the amount of money Craig earned yesterday?
A. y = 3.45x - 73.68
B. y = 73.68x + 3.45
C. y = 3.45x + 73.68
D. y = 73.68x - 3.45

Answers

C is the right answer

Solve graphically x=-3 y=5

Answers

Go sideways -3 and go up 5

state whether slope will be positive, negative, or zero.
(-2,3) (-1,-3)

Answers

Answer:

the Slope is 0 because the x value is going up as the y stays the same

Brainliest please

Slope would be negative

The question is in the image! Please answer quickly.

Answers

Answer:

She thought the multiplication symbol was the addition symbol

actual answer: 1.39 x 10^12

Step-by-step explanation:

If it was addition, then she’d be correct;

6.75x10^6 + 0.2x10^6

= (6.75 + 0.2)x10^6

= 6.95x10^6

But really, it was a multiplication, meaning the answer really is;

(6.95x10^6)x(0.2x10^6)

= 1.39 x 10^12

Does anyone know what 1.2 divided by 0.4 is?

Answers

Answer:

it's 3. how could u not know that 0.4 x 3 = 1.2 duh

The value of the expression is 3.

What is an expression?

An expression contains one or more terms with addition, subtraction, multiplication, and division.

We always combine the like terms in an expression when we simplify.

We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.

Example:

1 + 3x + 4y = 7 is an expression.

3 + 4 is an expression.

2 x 4 + 6 x 7 – 9 is an expression.

33 + 77 – 88 is an expression.

We have,

1.2 ÷ 0.4

= 1.2 / 0.4

The decimal point gets canceled.

= 12/4

= 3

Thus,

The value of the expression is 3.

Learn more about expressions here:

https://brainly.com/question/3118662

#SPJ5

Is 3/7 and 10/21 proportional ? 15 points

Answers

Answer:

NOT proportional.

Step-by-step explanation:

Get a common denominator of 21 by multiplying 7 and 3 by 3.

[tex]\frac{3}{7}(\frac{3}{3})=\frac{9}{21}[/tex]

When both fractions have the same denominator, their numerators are different. Therefore, they are NOT proportional.

I need to know that answer please help if you can

Answers

Answer:

$180

Step-by-step explanation:

y = 30x +150

30(1) + 150

= 180

Find the critical value zα/2 that corresponds to a 83% confidence level

Answers

The critical value zα/2 that corresponds to a 83% confidence level is 1.37.

The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

[tex]z=\frac{x-\mu}{\sigma} \\\\where\ x=raw\ score,\mu=mean,\sigma=standard\ deviation[/tex]

Given that the confidence level (C) = 83% = 0.83

α = 1 - C = 0.17

α/2 = 0.17/2 = 0.085

The z score of α/2 corresponds with the z score of 0.415 (0.5 - 0.085) which is equal to 1.37

Find out more at: https://brainly.com/question/15016913

During a 4-day back-to-school promotion, The Cone Shop sold 232 chocolate sundaes, 181 butterscotch sundaes, 68 strawberry sundaes, and 55 black-and-white sundaes. The shop sold the same number of sundaes each day. How many sundaes were sold each day?

Answers

Answer:

536

Step-by-step explanation:

Answer:

536

Step-by-step explanation:

just add all of then together 232 + 181=413 413+68+55

Which of the following is not a solution of the equation below (3x(x-1)(x-2)=0

Answers

What is the options?

x t-3 = y solve for t.

Answers

Answer:

t = (y+3)/x

Step-by-step explanation:

Step 1: Add 3 to both sides.

[tex]tx - 3 + 3 = y + 3[/tex] [tex]tx = y + 3[/tex]

Step 2: Divide both sides by x.

[tex]\frac{tx}{x} = \frac{y+3}{x}[/tex] [tex]t = \frac{y+3}{x}[/tex]

Therefore, the answer is [tex]t = \frac{y+3}{x}[/tex].

[tex]\sf{Heya}[/tex] ~

*ੈ✩‧₊˚  [tex]\mathfrak{Satori~ Tendō~is~here~to~help}[/tex]  ੈ✩‧₊˚

[tex]X~t-3=y[/tex] Solve for t.

[tex]\sf{solve~for~t,~Xt~-~3=y~:~t=\frac{y~+~3}{X} ;~X~∉~0[/tex]

STEPS :

[tex]\bold{Add~3~to~both~sides~:}[/tex]

[tex]\sf{Xt~-~3~+~=~y~+~3}[/tex]

[tex]\bold{Simplify~:}[/tex]

[tex]\sf{Xt~=~y~+~3}[/tex]

[tex]\bold{Divide~both~sides~by~X;}~X~∉~0[/tex]

[tex]\sf{\frac{Xt}{X}~=~\frac{y}{X}~+~\frac{3}{X};~X~≠0[/tex]

[tex]\bold{Simplify~:}[/tex]

[tex]\sf{t=\frac{y~+~3}{X};~X~≠0[/tex]

Hopefully This Helps !

#LearnWithBrainly

[tex]\underline{Answer~:}[/tex]

[tex]\sf{Tendou}[/tex] ~

Refer to the map shown in exercise.2. If m.angle 1 os 64° what is the measure of angle.2?

Answers

post the map
we need to see α photo in order to answer the question.

Answer:180

Step-by-step explanation:

*What is the correct value of b?
~50/100 = b/28
-b=14
-b=20
-b=10
*What is the value of n?
~25/100 = 7/n
-n=28
-n=24
-n=32

Answers

Answer:

-b = 14

-n = 28

Step-by-step explanation:

For b

50/100=b/28 cross-multiply

1400= 100b divide both sides by hundred

-b = 14

For n

25/100= 7/n cross multiply

25n = 700 divide both sides by 25

-n = 28

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