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Dima020 [189]
3 years ago
5

A projectile is launched at a height of h feet above the ground at an angle of θ with the horizontal. The initial velocity is v0

feet per second, and the path of the projectile is modeled by the parametric equations
x=(v0cosθ)t and y=h+(v0sinθ)t-16t^2
Write the parametric equations to model the path of a projectile launched from ground level (h = 0) at the given values of θ and v0. Use your equations to answer the following questions.

θ=40∘ , v0=128 feet per second
Determine the maximum height
Give the time the object reaches this height (to one decimal place).
Give the approximate horizontal distance the objects is at this point (to one decimal place).
Determine the time the object will hit the ground after it is launched (to one decimal place).
Mathematics
1 answer:
Nataliya [291]3 years ago
8 0

Answer:

Simple

Step-by-step explanation:

You Quit The Class

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You have prizes to reveal! GO
Alik [6]

Answer:

1/19

Step-by-step explanation:

7 0
3 years ago
sea level =0 A submarine is 120ft below sea level it climbs 50 ft towards sea level where the submarine comparrf to sea level an
Katyanochek1 [597]

Answer:

<h2>70 ft</h2>

Step-by-step explanation:

120 below we can use a model to figure this out.

sea level is 0

the submarine <u>goes 120 down</u>, so its -120

it <u>goes up by 50</u>, so now its <em>70</em>

no other obstacles, 70 or A is your answer.

7 0
3 years ago
Y=2x^2+12x+14 in vertex form
balandron [24]

Answer:

y = 2(x + 3)² - 4

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Using the method of completing the square

y = 2x² + 12x + 14 ← factor out 2 from the first 2 terms

  = 2(x² + 6x) + 14

To complete the square

add/subtract ( half the coefficient of the x- term)² to x² + 6x

y = 2(x² + 2(3)x + 9 - 9 ) + 14

  = 2(x + 3)² - 18 + 14

  = 2(x + 3)² - 4 ← in vertex form

4 0
3 years ago
The value in dollars v(x), of a certain truck after x years is represented by the equation v(x)= 32,500(0.92) raised to the x po
s2008m [1.1K]
The 32,500 is the original cost of the truck and the (0.92) You take v(x)=32,500(0.92)
 and raise that to the 2nd power, to represent the 2nd year and you will get an answer of $27,300. 
Each year the truck is losing $2,600 in value, after two years the truck has lost $5,200 in value equalling
= $27,300

8 0
3 years ago
A circular patio has a diameter of 4 yards. What is the area of the patio? Use 3.14 for π.
My name is Ann [436]

Answer:

50.24 square yards

Step-by-step explanation:

area = 3.14 × 4²

8 0
3 years ago
Read 2 more answers
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