City A and City B are approximately a = 950 miles apart on the surface of...
City A and City B are approximately a = 950 miles apart
on the surface of the earth. Assuming that the radius of the Earth
is 4,000 miles, find the radian measure of the central angle with
its vertex at the center of the earth that has City A on one side
and City B on the other side (see the figure below).
rad
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City A and City B are approximately a = 950 miles apart
on the surface of...
4. Assume that New York City and Los Angeles are 2450 miles apart and the Earth...
4. Assume that New York City and Los Angeles are 2450 miles apart and the Earth is perfectly circular! If the radius of the Earth is 3960 miles, then what is the measure of the angle at the center of the Earth that subtends (opposite to, goes along with, corresponds to) the arc line on the Earth’s surface that joins those cities?
#49 #74 REAL-WORLD APPLICATIONS 58. A truck with 32-inch diameter wheels is traveling at 59. A...
#49 #74
REAL-WORLD APPLICATIONS 58. A truck with 32-inch diameter wheels is traveling at 59. A bicycle with 24-inch diameter wheels is traveling at 60 mi/h. Find the angular speed of the wheels in 15 mi/h. Find the angular speed of the wheels in rad/ rad/min. How many revolutions per minute do the min. How many revolutions per minute do the wheels wheels make? make? 60. A wheel of radius 8 inches is rotating 15°/s. What is 61. A wheel...
4.4. A semi circular city with radius 5 miles borders the ocean. The center of the region is a se...
4.4. A semi circular city with radius 5 miles borders the ocean. The center of the region is a semi circular bay with radius 1 mile. (See figure) the price of housing at location Pin the a. Suppose city depends linearly on docet, the distance of P to the ocean (not the bay): at 5 miles housing costs $100 /sqft, while - ocean front property goes for $2000/sqft. Compute the average price of housing in the city. (Hint: Sketch price...
Show all work: The Earth produces an approximately uniform electric field at ground level. This electric...
Show all work: The Earth produces an approximately uniform electric field at ground level. This electric field has a magnitude of 110 N/C and points radially inward, toward the center of the Earth. (a) Find the surface charge density (sign and magnitude) on the surface of the Earth. (b) Given that the radius of the Earth is 6.38 x 10^6 m find the total charge of the Earth. (c) If the moon had the same amound of electric charge distributed...
A cable railway is driven by two large 14-foot-diameter drive wheels, called sheaves. Because of the...
A cable railway is driven by two large 14-foot-diameter drive wheels, called sheaves. Because of the figure-eight system used, the cable subtends a central angle of 270° on each sheave. Find the length of cable riding on one of the drive sheaves at any given time. (See the figure below. Round your answer to one decimal place) Need Help? Read It Talk to a Tutor 11. +-/1 points MckTrig8 3.4.025. My Notes Ask Your Teacher From the earth, the moon...
Copy this diagram and extend the pole length to create a transversal to the parallel sun rays. Y...
Copy this diagram
and extend the pole length to create a transversal to the parallel
sun rays.
Your explanation in completing the problem should include full
sentences, using words. It should also make sure to refer to any of
the following three key facts you use to determine the angle with
vertex C:
(a) The vertical angles formed by intersection of two lines
are equal.
(b) The Parallel Postulate: If parallel lines are cut by
another line, the corresponding angles...
Answer the following questions 38. In which quadrant is the terminal side of a 455 angle?...
Answer the following questions
38. In which quadrant is the terminal side of a 455 angle? 39. In which quadrant is the terminal side of a -135° angle 40. Which of the angles is coterminal with an 80° angle? a. 440 b. 280 c.-160 d. -85 41. Convert-270 to radian measure. 42, write the equation in standard form, y = x2-10x + 4, 43. Find the midpoint of the line between (2, 8) and (4, 6). 44. Convert to degree...
+8+7 ( 1800) (8d) 3. To find the distance across a highway, a surveyor chooses points A and B, which are (100 +10*N) m apart on one side of the highway (see Fig. 2; the highway is located b...
+8+7 ( 1800) (8d) 3. To find the distance across a highway, a surveyor chooses points A and B, which are (100 +10*N) m apart on one side of the highway (see Fig. 2; the highway is located between the side e and a reference point C- the vertex of the triangle). She then chooses the reference point C on the opposite side of the highway and finds that the angle a (70- N)0 and angle B-(.Approximate the distance afrom...
Suppose that two people standing 2 miles apart both see the burst from a freworks display,...
Suppose that two people standing 2 miles apart both see the burst from a freworks display, Aher a period of time, the first person standing at point Ahears the burst. Four seconds later, the second person standing at point hears the burst. If the person at point is dus west of the person at point and if the display is known to occur due north of the person at point where did the freworks display occur? Note that sound travela...
2.3.19 Question Help A boat leaves the entrance to a harbor and travels 200 miles on...
2.3.19 Question Help A boat leaves the entrance to a harbor and travels 200 miles on a bearing of N 51° E. How many miles north and how many miles east from the harbor has the boat traveled? The boat has traveled miles north. (Round to the nearest tenth of a mile.) While sailing toward a statue, a sailor in a boat observed that at a certain point, the angle of elevation of the tip of the torch was 27º....
#49 #74
REAL-WORLD APPLICATIONS 58. A truck with 32-inch diameter wheels is traveling at 59. A bicycle with 24-inch diameter wheels is traveling at 60 mi/h. Find the angular speed of the wheels in 15 mi/h. Find the angular speed of the wheels in rad/ rad/min. How many revolutions per minute do the min. How many revolutions per minute do the wheels wheels make? make? 60. A wheel of radius 8 inches is rotating 15°/s. What is 61. A wheel...
4.4. A semi circular city with radius 5 miles borders the ocean. The center of the region is a semi circular bay with radius 1 mile. (See figure) the price of housing at location Pin the a. Suppose city depends linearly on docet, the distance of P to the ocean (not the bay): at 5 miles housing costs $100 /sqft, while - ocean front property goes for $2000/sqft. Compute the average price of housing in the city. (Hint: Sketch price...
A cable railway is driven by two large 14-foot-diameter drive wheels, called sheaves. Because of the figure-eight system used, the cable subtends a central angle of 270° on each sheave. Find the length of cable riding on one of the drive sheaves at any given time. (See the figure below. Round your answer to one decimal place) Need Help? Read It Talk to a Tutor 11. +-/1 points MckTrig8 3.4.025. My Notes Ask Your Teacher From the earth, the moon...
Copy this diagram
and extend the pole length to create a transversal to the parallel
sun rays.
Your explanation in completing the problem should include full
sentences, using words. It should also make sure to refer to any of
the following three key facts you use to determine the angle with
vertex C:
(a) The vertical angles formed by intersection of two lines
are equal.
(b) The Parallel Postulate: If parallel lines are cut by
another line, the corresponding angles...
Answer the following questions
38. In which quadrant is the terminal side of a 455 angle? 39. In which quadrant is the terminal side of a -135° angle 40. Which of the angles is coterminal with an 80° angle? a. 440 b. 280 c.-160 d. -85 41. Convert-270 to radian measure. 42, write the equation in standard form, y = x2-10x + 4, 43. Find the midpoint of the line between (2, 8) and (4, 6). 44. Convert to degree...
+8+7 ( 1800) (8d) 3. To find the distance across a highway, a surveyor chooses points A and B, which are (100 +10*N) m apart on one side of the highway (see Fig. 2; the highway is located between the side e and a reference point C- the vertex of the triangle). She then chooses the reference point C on the opposite side of the highway and finds that the angle a (70- N)0 and angle B-(.Approximate the distance afrom...
Suppose that two people standing 2 miles apart both see the burst from a freworks display, Aher a period of time, the first person standing at point Ahears the burst. Four seconds later, the second person standing at point hears the burst. If the person at point is dus west of the person at point and if the display is known to occur due north of the person at point where did the freworks display occur? Note that sound travela...
2.3.19 Question Help A boat leaves the entrance to a harbor and travels 200 miles on a bearing of N 51° E. How many miles north and how many miles east from the harbor has the boat traveled? The boat has traveled miles north. (Round to the nearest tenth of a mile.) While sailing toward a statue, a sailor in a boat observed that at a certain point, the angle of elevation of the tip of the torch was 27º....
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