The earth revolves around the sun in exactly 365 1/4 days which is equivalent to 1 year. To make up for the loss of 1/4 day, the calendar was adjusted so that we have a leap year for every 4 years. If the earth were to speed in its motion slightly so that a year would be completed in exactly 365 days and 6 hours, how often would we need to have a leap year?

Q: Newton's version of Kepler's third law is: P2 = 4 rử / [G (M, + M2)] × a°. The space shuttle orbits…

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Q: Two planes take off at the same time from an airport. The first plane is flying at 255 miles per…

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Q: An airplane flies 320 miles from point A to point B with a bearing of 26°. Then it flies 260 miles…

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Q: What is its length?

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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

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Q: If G = 6.674 ⨉ 10 −11m3/kg/s 2and M Earth= 5.972 ⨉ 10 24kg and the sidereal period of the Earth is…

A: Given : Mass of Earth: 5.972×1024 kg G=6.674×10-11 m3/kg/s Period T=27.32 days

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A: The size of astronomical objects is often measured in terms of their angular diameter rather than…

Q: The Earth is approximately spherical, with a radius of 6.37x106 m. Calculate the surface area of the…

A: Solution: Given data, The earth is approximately spherical. The radius of earth (R)=6.37×10⁶ m…

Q: Put the following number in scientific notation, using the number of significant figures listed in…

A: Given : 235,000

Q: A certain corner of a room is selected as the origin of a rectangular coordinate system. If a fly is…

A: The distance will be :

Q: An astronomical unit (AU) is equal to the average distance from Earth to the Sun, about 92.9 × 106…

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Q: The Force Exerted on the Moon (Figure 1)shows the Earth, Moon, and Sun (not to scale) in their…

A: Given, FSM = 4.34×1020 N  FEM= 1.98×1020 N  MM= 7.35×1022 kg

Q: The line from a point 150 feet from the base of a redwood tree to the top of the tree is 211 feet.…

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Q: Two exoplanets, UCF1.01 and UCF1.02 are found revolving around the same star. The period of planet…

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Q: Two toy racecars race along a circular race track. Both cars start at the 3-o'clock position and…

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Q: Earth's day has increased by 0.002s in the last century. If this increase in Earth's period is…

A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…

Q: The Earth is travelling around the sun at a speed of about​ 67,000 miles per hour​ [mph]. If it…

A: Change all unit in M.k.s. system

Q: a) On the vernal equinox, the Sun's DEC is twelve hours and its RA is zero degrees. b) The distances…

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Q: The ratio of circumference to diameter for all circles is

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Q: Why doesn't Earth's rotation provide a suitable time standard?

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Q: As an aspiring science fiction author, you are writing about a space-faring race and their home…

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Q: two points are given in polar coordinates by  (r, ?) = (2.20 m, 50.0°)  and  (r, ?) = (3.00 m,…

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Q: The Moon's diameter is 3.5 ✕ 106. What is the coefficient?   What is the exponent?   The length of a…

A: Given, Moon's diameter is 3.5 ✕ 106. and  length of a small mosquito is 3.5 ✕ 10−3 m.

Q: Using correct significant figures, record the product of 5683 km and "A". Where "A" is the number…

A: Required : Product of two numbers with correct significant figures.

Q: The Moon's diameter is 3.5 ✕ 106. What is the coefficient?   What is the exponent?   The length of a…

A: In the notation a×bc a is coefficient , b is base and c is exponent.

Q: What is the length of the 60-degree arc whose radius is 10m?

A: The problem is asking for the length of an arc of a circle. The arc length is the distance along the…

Q: Jupiter's third-largest natural satellite, Io, follows an orbit with a semimajor axis of 422,000 km…

A: Semi major axis of Io's orbit, a = 4.22 x 105 km Orbital period of Io's orbit, P = 1.77 earth days 1…

Q: The side of a square measures 4 m in length. What is the area of the square? O 16 x 10 -4 cm² O 16 x…

A: Side , a = 4 m To find = Area