1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ch4aika [34]
3 years ago
9

An explosion causes debris to rise vertically with an initial velocity of 160 feet per second. What is the speed of debris when

the height is 300 feet?
I am using the formula: -16t^2 + vot + h0 because the question is referring to feet.
Mathematics
1 answer:
lisov135 [29]3 years ago
5 0
The question is asking what v_final is, given that v_initial is at 300 feet. and v_initial is at 0 feet.  
We know there will be a constant downward acceleration of 32.15 ft/s^2.
 Use the following equation: 
 v_final^2 = v_initial^2 + 2ah
 v_final^2 = (160 ft/s)^2 + 2(-32.15 ft/s^2)(300 ft) = 6310 ft^2/s^2
 v_final = (6310 ft^2/s^2)^1/2 = 79.4 ft/s.
You might be interested in
It takes Chad six hours to put his own miniature bike together . If Andrew helps him, it only takes four hours. How long would i
wel

Answer:

it would take 10 hours

Step-by-step explanation:

8 0
3 years ago
Divided the following rational expressions<br> t^3-t^2-2t/t-5 divided by t^2-t-2
butalik [34]

t³-t²-2t/t -5 )/(t²-t-2)

(t^4-t^3-7t)/t^3-t^2-2t)

(t³-t²-7)/(t²-t-2)


I hope that's help !

7 0
3 years ago
Janet wants to purchase a new car. At the car dealership, a salesperson tells her she can choose from 10 car models, 7exterior c
nydimaria [60]

uhh isnt it just 10×7×9=630

6 0
3 years ago
Read 2 more answers
PLEASE ANSWER FAST AND CORRECTLY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Paha777 [63]

Answer:

C. 7790.83 cm^3

Step-by-step explanation:

The volume of a sphere is given by

V = 4/3 pi r^3

We know the radius is 12.3

Using 3.14 for pi  (This will give us an approximation, not an exact value)

V = 4/3(3.14) (12.3)^3

   =7790.82984 cm^3

6 0
3 years ago
You are asked to help out in the merchandise department. You sell $750 worth of $30 math teaching kits. How many kits did you se
Alex Ar [27]
$750 / $30 = 25 maths teaching kids

$350 / $25 = 14 maths starter kits
if you wanted to see if it was right, you would just do 14*25 and you would get $350

hope I helped!!
7 0
3 years ago
Other questions:
  • Find the area of a polygon with the vertices of A (0,1) B (0,5) C (4,5) D (6,1
    5·1 answer
  • 5/5/5/5/5/5/5/55/5/5//5/5/5/5//5/5/5/5/5/5/5/5
    11·2 answers
  • I just need an answer, it's my last question.
    13·1 answer
  • What values of x and y satisfy the system of equations {3x+2y=14x=4y−2? infinitely many solutions (5011,1811) (1811,5011) no sol
    6·1 answer
  • Find the distance between the two points (-4, 6) and (3,-7) Your answer​
    13·1 answer
  • Use the net to find the lateral area of the prism.
    9·1 answer
  • Solve for the unknown quantity in each proportion.
    11·1 answer
  • Please solve this question.​
    5·1 answer
  • A rectangular pool has a length of
    8·1 answer
  • What is the probability that client H, the 80-year old you’re considering for a 10-year policy, lives to be 90 years old? Client
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!