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If you are at a point k miles above the surface of the Earth, the distance...
The weight (in pounds) w t(d) of an object varies inversely as the square of its distance (in thousands of miles) d from the center of Earth a. An astronaut weighs 180 pounds at sea level (about...
The weight (in pounds) w t(d) of an object varies inversely as the square of its distance (in thousands of miles) d from the center of Earth a. An astronaut weighs 180 pounds at sea level (about 4 thousand miles from Earth's center) Find an equation off b. How much would the astronaut weigh at 4 thousand miles above Earth's surface? pounds c. At what distance from the center of Earth would the astronaut weigh 1 pound? miles (Round to...
A communication satellite is orbiting for above Earth, as shown in the figure. If the radius...
A communication satellite is orbiting for above Earth, as shown in the figure. If the radius of Earth is r = 3%60 miles and the angle at Sis 11.3°, how far is the satellite from the surface of the earth (closest to the equator)? Round your answer to the nearest mile. 113 ОООО 19,818 mi 20,210 mi 16,250 mi 15,858 mi
A satellite in a circular orbit 500 miles above the surface of the Earth. What is...
A satellite in a circular orbit 500 miles above the surface of
the Earth. What is the period of the orbit? You may use the
following constants:
Radius of the Earth: 4000 miles
Gravitational Constant: 66710?11m3(kgs2)
Mass of earth: 5981024kg
Number of Meters in a mile: 1609
Period= ? seconds
2 (25 Points) A displacement of 10 miles West and 3 miles North is followed by a displacement of 3 miles directed a...
2 (25 Points) A displacement of 10 miles West and 3 miles North is followed by a displacement of 3 miles directed at an angle of 10° East of due North. a. What is the magnitude of the two (Round to the nearest tenth of a mile. displacements combined? b. What is the direction of the two displacements combined? (Round to the nearest tenth of a degree relative to due North.) c. Are the two displacements orthogonal (perpendicular)? How can...
A hunter is at a point along a river bank. He wants to get to his cabin, located 5 miles north and 8 miles west. (See figure.) He can travel 5 mph along the river but only 2 mph on the rocky land. Ho...
A hunter is at a point along a river bank. He wants to get to his cabin, located 5 miles north and 8 miles west. (See figure.) He can travel 5 mph along the river but only 2 mph on the rocky land. How far upriver should he go in order to reach the cabin irn minimum time? The distance that the hunter should walk along the river is approximately mi. (Do not round until the final answer. Then round...
How far above the surface of the Earth will a person’s weight be reduced to one-quarter...
How far above the surface of the Earth will a person’s weight be reduced to one-quarter its value at the surface? g=Gme/r2 where me is the mass of the Earth, r is the distance from the Earth’s center to the height above Earth and G is the proportionality constant. You will need to look up the mass and radius of the Earth.
How far above the surface of the Earth will a person’s weight be reduced to one-quarter...
How far above the surface of the Earth will a person’s weight be reduced to one-quarter its value at the surface? Hint: g=Gme/r2 where me is the mass of the Earth, r is the distance from the Earth’s center to the height above Earth and G is the proportionality constant. You will need to look up the mass and radius of the Earth.
84. The distance d to the horizon (the farthest point on the ocean that is visible)...
84. The distance d to the horizon (the farthest point on the ocean that is visible) for a person whose eyes are at a height h above sea level is approximately d 2Rh, where R is the radius of the earth, and all three distances are in miles. If the earth's radius is 3963 miles, how high are your eyes if you can see 10 miles? (Round your answer to four decimal places)
3 pts Solve the problem. The distance d (in miles) that an observer can see on...
3 pts Solve the problem. The distance d (in miles) that an observer can see on a clear day is approximated by d (h) = 20 Th. where h is the height 49 of the observer in feet. It Rita can see 9.8 mi, how far above ground is her eye level? Choose the appropriate numerical answer. h = 9.8 - 49 40 h= 40 49 d = 49 (4.9) 40 40 (9.8)2 h 49 49 40 19.8
22. An Earth satellite is orbiting at a distance from the Earth's surface equal to one...
22. An Earth satellite is orbiting at a distance from the Earth's surface equal to one Earth radius (4000 miles). At this location, the acceleration due to gravity 13 what factor times the value of g at the Earth's surface? a. There is no acceleration since the satellite is in orbit. b. 2 c. 1/2 d. 1/4 23. An object that is orbiting the Earth at a height of three Earth radil from the center of the Earth has a...
The weight (in pounds) w t(d) of an object varies inversely as the square of its distance (in thousands of miles) d from the center of Earth a. An astronaut weighs 180 pounds at sea level (about 4 thousand miles from Earth's center) Find an equation off b. How much would the astronaut weigh at 4 thousand miles above Earth's surface? pounds c. At what distance from the center of Earth would the astronaut weigh 1 pound? miles (Round to...
A communication satellite is orbiting for above Earth, as shown in the figure. If the radius of Earth is r = 3%60 miles and the angle at Sis 11.3°, how far is the satellite from the surface of the earth (closest to the equator)? Round your answer to the nearest mile. 113 ОООО 19,818 mi 20,210 mi 16,250 mi 15,858 mi
A satellite in a circular orbit 500 miles above the surface of
the Earth. What is the period of the orbit? You may use the
following constants:
Radius of the Earth: 4000 miles
Gravitational Constant: 66710?11m3(kgs2)
Mass of earth: 5981024kg
Number of Meters in a mile: 1609
Period= ? seconds
2 (25 Points) A displacement of 10 miles West and 3 miles North is followed by a displacement of 3 miles directed at an angle of 10° East of due North. a. What is the magnitude of the two (Round to the nearest tenth of a mile. displacements combined? b. What is the direction of the two displacements combined? (Round to the nearest tenth of a degree relative to due North.) c. Are the two displacements orthogonal (perpendicular)? How can...
A hunter is at a point along a river bank. He wants to get to his cabin, located 5 miles north and 8 miles west. (See figure.) He can travel 5 mph along the river but only 2 mph on the rocky land. How far upriver should he go in order to reach the cabin irn minimum time? The distance that the hunter should walk along the river is approximately mi. (Do not round until the final answer. Then round...
84. The distance d to the horizon (the farthest point on the ocean that is visible) for a person whose eyes are at a height h above sea level is approximately d 2Rh, where R is the radius of the earth, and all three distances are in miles. If the earth's radius is 3963 miles, how high are your eyes if you can see 10 miles? (Round your answer to four decimal places)
3 pts Solve the problem. The distance d (in miles) that an observer can see on a clear day is approximated by d (h) = 20 Th. where h is the height 49 of the observer in feet. It Rita can see 9.8 mi, how far above ground is her eye level? Choose the appropriate numerical answer. h = 9.8 - 49 40 h= 40 49 d = 49 (4.9) 40 40 (9.8)2 h 49 49 40 19.8
22. An Earth satellite is orbiting at a distance from the Earth's surface equal to one Earth radius (4000 miles). At this location, the acceleration due to gravity 13 what factor times the value of g at the Earth's surface? a. There is no acceleration since the satellite is in orbit. b. 2 c. 1/2 d. 1/4 23. An object that is orbiting the Earth at a height of three Earth radil from the center of the Earth has a...
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