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
exis [7]
2 years ago
8

Wind farms are a source of renewable energy found around the world. The power P (in kilowatts) generated by a wind turbine varie

s directly as the cube of the wind speed v (in meters per second). If a turbine generates 700 kW in a 12 m/s wind, how much power does it generate in a 6 m/s wind?
(The formula for P as a power function of v is P = a ⋅ v3.


A. 88 kW

B. 175 kW

C. 125 kW

D. 1050 kW
Mathematics
1 answer:
kodGreya [7K]2 years ago
4 0

Answer:

New power = 88 Kw (Approx.)

Step-by-step explanation:

Given:

P = a(v³)

Old power p = 700 Kw

Old wind speed v = 12 m/s

Find:

New power when v = 6m/s

Computation:

P = a(v³)

700 = a(12³)

a = 0.4050 m²

New power = a(v³)

New power = (0.4050)(6³)

New power = 87.48

New power = 88 Kw (Approx.)

You might be interested in
-3x-6y=11. 2x+y = 4 solving linear systems using multiplication and addition show your work
sladkih [1.3K]
<span>Example<span>Problem<span><span>Use elimination to solve the system.</span>   x –<span> y = </span>−6x <span>+ y = 8</span></span> </span><span> Add the equations.</span><span> <span><span>2x = 2</span>x = 1</span><span>Solve for x.</span></span><span> <span>x<span> + y = 8</span><span>1 + y = 8</span>y = 8 – 1y = 7</span><span>Substitute x = 1 into one of the original equations and solve for y.</span></span><span> <span>x<span> – y = −6</span>1 – 7 = −6−6 = −6 TRUE</span><span>x<span> + y = 8</span>1 + 7 = 88 = 8TRUE</span><span>Be sure to check your answer in both equations!</span></span><span>AnswerThe solution is (1, 7). </span></span>
3 0
2 years ago
Which expressions would complete this equation so that it has infinitely many solutions? 8 + 2(8x – 6) = Choose exactly two answ
cupoosta [38]
<span> the answers are ...C. 16x – 4 and  D. 4(4x – 1) ...

Hope it helps !!!</span>
3 0
3 years ago
Maths easy class 8 whoever gets it I will give u brainlist​
asambeis [7]

Answer:

424 cm²

Step-by-step explanation:

The figure is composed of a square and a trapezium on top

A of square = 18² = 324 cm²

A of trapezium = \frac{1}{2} h (b₁ + b₂ )

where h is the perpendicular height and b₁, b₂ the parallel bases

Here h = 8, b₁ = 18 and b₂ = 7 , then

A = 0.5 × 8 × (18 + 7) = 4 × 25 = 100 cm²

Area of hexagonal park = 324 + 100 = 424 cm²

8 0
2 years ago
Stephen and Diana are traveling towards each other from points that are 276 miles apart. If Diana is traveling 4 mph faster than
Allisa [31]

Answer:

Step-by-step explanation:

let speed of Stephen=x mph

speed of Diana=x+4

then

6x+6(x+4)=276

divide by 6

x+x+4=276/6=46

2x=46-4=42

x=42/2=21

Stephen is traveling at  21 mph.

Diana is traveling at 21+4=25 mph.

6 0
2 years ago
PLEASE HELP ME ASAP!!!
MatroZZZ [7]

You start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards.

10 cards every week = 10 w

Start with 5 baseball cards = + 5

At Most = ≥

3 0
2 years ago
Other questions:
  • Wich fraction names the shaded part of the figure below​
    7·1 answer
  • Hey Guys, having trouble on this problem, can you help me?<br>Click on the Picture for full view
    15·1 answer
  • Triangle A B C is shown. Angle A C B is a right angle. The length of hypotenuse A B is 12 centimeters, the length of C B is 9.8
    8·2 answers
  • A cone-shaped container is completely filled with liquid. The container has a radius of 60 cm and an height of 210 cm. The liqui
    11·1 answer
  • The meteorologist recorded the amount of rainfall, in centimeters, at 10 different locations during 1 day and then arranged the
    6·2 answers
  • 162 water bottles in 9 cases
    7·2 answers
  • if about 32,834.5 kilobytes of memory is still available how many more pictures can they take if you have only taken 43 pictures
    9·1 answer
  • Please Help!!!
    8·1 answer
  • Do yall know 2-1 3/8
    8·1 answer
  • What percent of 29 is 3? Round to the nearest tenth or tenth of a percent
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!