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
olganol [36]
3 years ago
6

a space shuttle is 50 miles above earth an astronaut on the shuttle sees the sun rise over earth. to the nearest mile, what is t

he distance from the astronaut to the horizon? (hint: earths radius is about 4,000 miles)
Mathematics
1 answer:
Ludmilka [50]3 years ago
6 0
From the astronaut to the horizon is a tangent line to the curvature of the earth.  And from that point on the horizon to the center of the earth is at a right angle to the tangent and is equal to the radius of the earth...so we can say

cosα=r/(r+h) where r is the radius of the earth and h is the height above the surface of the earth...

α=arccos(r/(r+h))

now tanα=d/r where d is the distance from the astronaut to the point on the horizon so:

tan(arccos(r/(r+h))=d/r

d=rtan(arccos(r/(r+h)))  and using r≈4000 and h=50 we get:

d=4000tan(arccos(4000/(4050)))

d≈634.42mi

d≈634 mi (to nearest mile)
You might be interested in
WILL GIVE BRAINLIEST TO CORRECT ANSWER(S)!
natta225 [31]

Answer:

A and E are the answers

5 0
3 years ago
On the first 7 statistics tests of the semester, Jamal
lubasha [3.4K]
Balls are good that’s the answer
3 0
2 years ago
Determine if the rates are equivalent. Explain your reasoning. 5 cans of soup for $3.75; 8 cans of soup for $6.00
grandymaker [24]

I don't think they are equivalent. try it yourself


3 0
3 years ago
GEOMETRY HELP PLS! 50 POINTS!!
icang [17]

Answer:

the answer is c

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
PLEASE HELP ME I WILL GIVE BRAINLIEST AND EXTRA POINTS TO WHO EVER ANSWERS FIRST
Lapatulllka [165]
Number 4: the slope is 3/4
number 5: y-intercept is 2
4 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following is the best use for the sign chart when graphing rational functions
    15·2 answers
  • The Aztec were also called the texcia and thus their cloth cane to be known as textiles.
    6·1 answer
  • Francis has 4 square baking dishes each pan is 7 inches × 7.inches ×2 which expression will give her the total volume of all the
    15·1 answer
  • What is the solution to the given system of equations?​
    10·1 answer
  • Select the correct answer.
    13·2 answers
  • Determine if the two triangles are congruent. If they are, state how you know.
    10·1 answer
  • 5
    8·2 answers
  • Greenwood Lake is pictured below on a grid where each square has sides that are 1 mile long.
    13·1 answer
  • Which of the expressions are equivalent to the one below? Check all that
    7·1 answer
  • Michael bought a Sprite for $2.30 and three candy bars. He spent $6.50. How much did each candy bar cost?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!