Consider two points on the Earth’s surface that are separated by 1 arcsecond as seen from the center of the (assumed to be transparent) Earth. What is the physical distance between the two points?

Q: Atom of a certain element have a diameter of 10^-8 cm. given 1 km=1000m an 1 m =100cm about how many…

A: Given data The diameter of the atom is d = 10-8 cm. The unit relation is given as 1 km = 1000 m and…

Q: You are in a car 54.9 meters away from a street sign (distance from your face to the sign). The text…

A:

Q: Which unit of measurement is larger?

A: 1 rad = 57.3 degree. So for 1 rad we required 57.3 degree.  So 1 degree = (1/57.3) < 1 rad

Q: Mauna Kea on Hawaii’s Big Island is 4207 meters tall.  At what angle will its peak stand above the…

A: Use the Pythagoras theorem to solve for the horizontal distance of the point on the shore from the…

Q: If Earth be one half of its present distance from the Sun, by how many days will the present one…

A: According to Kepler’s  third law, the orbital time period and the semi major axis of the orbit are…

Q: The Sun’s angular diameter is measured to be 1920′′. The distance D of the Sun from the Earth is…

A:

Q: friend are traveling the world and are currently in a city located precisely on the Earth's equator.…

A:

Q: The Sun's angular diameter is measured to be 1920". The distance D of the Sun from the Earth is…

A: Given that,Sun's diameter : D = 1920'The distance of the sun from the earth : d = 1.496×1011 (m)…

Q: Is the Earth spherical or flat, and if it is spherical, prove this by using mathematical equations…

A: The earth is spherical.

Q: what is the difference in results for a 1 km diameter projectile traveling at 20 km/s striking the…

A: When a body projected with velocity at any angle of elevation with the horizontal then under the…

Q: Moon is at the distance 384400 km from Earth and orbits the Earth every ∼28 days. If the radius of…

A: Given data: The radius of moon ( rm ) = 1737 km The time ( t ) = 28 days

Q: What should be the duration of the year if the distance between the earth and the sun gets doubled ?

A:

Q: Reflect (-3,-4) across the x-axis. Then reflect the result across the x-axis again. What are the…

A: When a point is reflected about a line, its image is formed exactly opposite to the line but with…

Q: The distance between the Earth and the Sun is ca. 150,000,000 km. If the Sun suddenly stopped…

A: Given data:  Distance between the Earth and Sun d = 150,000,000 km Sun suddenly stopped shining…

Q: What does the greek symbol u mean in Physics? (Pronounced mu?) Also, what does angular mean? (As…

A: a- To define the greak symbol μ (Pronounced as mu). b- To define angular (ω).

Q: Guide Questions: 1. What were the astronomical proofs that the Earth is round and spherical?…

A:

Q: The mass of the moon is 7.35 x 10^22 kg and the mass of a person standing on the moon is 65 kg. If…

A: Gravitational force of attraction between two bodies of mass m1 and m2 with a distance between their…

Q: If we see the stars at night on a point of the equator line on the earth, the most stars motion is…

A: 1. Stars at the Celestial Poles (e.g., North or South Pole):Stars appear to move in perfect circles…

Q: Light in a vacuum travels at a constant speed of 3*10^8 m/s. If the moons average distance from…

A: The displacement of an object is defined as difference between the final and initial position of the…

Q: A statue 10 feet high is standing on a base 13 feet high. If an observer's eye is 5 feet above the…

A: To determine: The distance of the observer standing in front of the statue

Q: UUse the table to answer questions T13 A student collects the following data about the Sun, stars,…

A:

Q: would have be the duration of the year if the distance between earth and sun were half the present…

A: To find-Duration of the year T2=?GIven-Distance between sun and earth becomes half.

Q: If the distance between the earth and the sun were half its present value, the number of days in…

A: According to the Kepler's third law the square of the time period of a planet around the Sun is…

Q: (6.67×10-¹¹) (5.97×10²4) (6.38×106) ² Determine the values of a and k when the value of this…

A:

Q: From a distance of 300 km above the surface of the Moon, what is the angular diameter in arc seconds…

A: Given data: Distance above the surface of the Moon, d=300 km=300×103m Linear diameter, x=0.80 m…

Q: Question: The earth-moon distance is about 60 earth radius. What will be the diameter of the earth…

A:

Q: 3. 52. The coordinates of the Dominion Astrophysical Observatory, near Victoria, British Columbia,…

A: Given: The latitude of Dominion Astrophysical Observatory is  Lat1=48°31.3'=48°+31.360°…

Q: The moon is receding from earth at a rate of 3.8 centimeters per year -convert this rate into meters…

A:

Q: If the distance between the Earth and the Sun were halved, what would happen to the Sun's angular…

A: Angular diameter is not a distance it is an angle. In this case angle subtended by sun at earth is…

Q: The Earth is shown with the equator marked. Another circle is marked that corresponds to a latitude…

A: Consider the radius of the earth, Re the time period of the rotation of the rotation of the earth, T…

Q: Ground clutter is given by the formula σclutter=σ0×c×T2×R×θB. If R=60km, σ0=0.01 m2m2 and…

A:

Q: An astronaut arrives on the planet Oceania and climbs to the top of a cliff overlooking the sea. The…

A: The situation of the astronaut is shown below.

Q: The ratio of circumference to diameter for measured circles on a disk equals

A:

Q: If you were an observer on Mars looking at the earth through a telescope would you see the earth…

A: To find: If you were an observer on Mars looking at the earth through a telescope would you see…

Q: What is the angle between the equatorial plane and the orbital plane of: (a) polar satellite (b)…

A: The plane in which satellite orbits around Earth is called Orbital plane of a satellite.

Q: What is the height and the diameter of the solid cylinder shown in the images?

A: