A man weighs 800 N on Earth. Calculate its weight on the Moon, knowing that the mass of the Earth is 81 times that of the Moon and that the (approximate) radii of the two stars are 6,380 km and 1,600 km respectively. We must take 5.98 × 1024 kg as the mass of the Earth.

Q: How do you express the coordinates of an object in cylindrical and spherical coordinates when its…

A: The Cartesian coordinates x,y,z of a point is related to cylindrical coordinate r,θ,z as, x=r cosθ,…

Q: An astronaut is standing on the moon. If the gravitational force exerted by the Moon on the…

A: Solution:-

Q: Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8.0 x 10…

A: (a) orbital period of the star T=2πr3GM=2π6.0×104 ly39.461×1015 m1 ly36.67×10-11…

Q: gravitational

A: According to Newton's Universal law of gravitation, the force acting between any two objects that…

Q: Calculate the mass in kilograms of a 4.86 kg object when its velocity, relative to us, is each of…

A: Write the expression for the mass.

Q: The radius of the Earth is about 6,000 km.  My weight on the surface of the Earth is 950 N. At…

A:

Q: Given that the force of gravity acting between the sun and a planet is 4.37×1021 N, where the mass…

A:

Q: The orbital period of the moon is 27.3 d, the average center-to-center distance center distance…

A:

Q: gravitation with the Earth as  m2  and the radius of the Earth for the distance F =  GmME RE2. Now…

A:

Q: Earth’s mass is 5.98 x 1024 kg and it is located 150 million kilometers from the Sun. Calculate the…

A: To find the mass of the sun

Q: Plaskett's binary system consists of two stars that revolve in a circular orbit about a center of…

A: The expression to solve for the velocity of the star is as follows: v=2πRTR=vT2π…

Q: Suppose you’re a physicist in 1859, and you are measuring the gravitational pull of the Sun to…

A:

Q: Two celestial bodies are in orbit. If one celestial body is 3x the mass of the other, that means it…

A: Given that: One celestial body is 3x the mass of the other

Q: Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8.0 x 1011…

A: Given that, Mass of the milky way galaxy, M=8×1011 Ms (Ms is the mass of Sun) M=8×1011×1.989 ×1030…

Q: A planet with a mass of 3.0 x 1023kg orbits 6.0 x 1010m from a star with a period of 2.2 x…

A: The mass of the planet is, m=3×1023 kg. The distance between the planet and the star is, r=6×1010 m.…

Q: Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8.0 x 10…

A:

Q: Approximately one billion years ago, the Moon orbited the Earth much closer that it does today. The…

A: The equation to calculate linear velocity in a circular orbit is given by: v=2πRT Here, v is the…

Q: We sent a probe out to orbit the planet Kerbal at a distance of 5.5x107m from the middle of the…

A: we know the distance between planet and orbit. that is r =5.5*107 m

Q: 19. A space probe is flying by Jupiter (M = 1.9 x 1027 kg) at a distance of 400,000 km from the…

A: Given data:  Mass (M) = 1.9×1027 kg Altitude (h) = 400000 km = 4.00×108 m Radius (R) = 7.15×107 m…

Q: Plaskett's binary system consists of two stars that revolve in a circular orbit about a center of…

A:

Q: Taking the age of Earth to be about 4×1094×109 years and assuming its orbital radius of 1.5×1011…

A:

Q: A planet with mass 8.07x1023 kg orbits a star with mass 1.18x1030 kg. The orbit is circular, and the…

A:

Q: The radius of the Earth is about 6,000 km.  My weight on the surface of the Earth is 950 N.  At…

A:

Q: A planet with a mass of 6.7 x1011kg has a gravitational force of 240.5N to a neighboring moon with a…

A:

Q: You may have an image of Sir Isaac Newton sitting under a tree and after being hit on the head by an…

A: The gravitational force of attraction between two objects isSo, is the universal gravitational…

Q: In a solar system far far away, a star that is twice the mass of the Sun is orbited by a planet that…

A: When a planet revolves around a star , there will be two types of forces acting , one is the…

Q: A planet with mass 4.83x1023 kg orbits a star with mass 6.95x1030 kg. The orbit is circular, and the…

A: Given Mass of the star is M=6.95×1030 kg Universal gravitational constant is G=6.67×10-11 N.m2/kg2…

Q: Plaskett's binary system consists of two stars that revolve in a circular orbit about a center of…

A: v = 200 kmsT = 11.5 days Let the radius of orbital path followed = R

Q: In the year 8000 (Y8K) the mass of the Earth has increased (due to excessive space mining). As a…

A:

Q: Two ships are docked next to each other. Their centers mass are 39m apart. One ship’s mass is…

A: Given: Mass of the first ship, m1 = 6.2*10^7 kg. Mass of the second ship, m2 = 2.55*10^8 kg.…

Q: We can use this expression to determine the magnitude of the gravitational force you feel while on…

A:

Q: Two stars M, and M, of equal mass make up a binary star system. They move in a circular orbit that…

A: Given, Mass of both star is,  M1=M2= 1.45×solar mass=1.45×1.99×1030 kg Orbital time period of each…

Q: Earth’s mass is 6 x 1024 kg and it is located 150 million kilometers from the Sun.  Calculate the…

A: The gravitational force (FG) of the Sun (mass: M) on the Earth (mass: m), which is located at the…

Q: Astronomical observations of our milky way galaxy indicate that it has a mass of about 8x1011 solar…

A: 1 solar mass = 1.989e+30 kg 1 Light year = 9.461e+15 m Given, mass of milky way is M = 8x1011 solar…

Q: Newton’s law of gravitation and the formula for centripetal acceleration can be used to show that:…

A:

Q: Compare the masses of the Sun (1.99×10" kg) and Earth (5.98×10" kg).

A:

Q: If a car is traveling at 45 mi/h, determine its speed in meters per second. Round to 3 significant…

A:

Q: 2. You are on an unknown planet whose mass is 9.2 x 10²kg. It's sun has a mass of 1.4 x 1035 kg,…

A: When you are on a planet and orbiting the Sun, the weight will be equal to the gravitational force.

Q: Given that the force of gravity acting between the sun and a planet is 4.37×1021 N, where the mass…

A: Force of gravity between sun and planet (F) = 4.37 ×1021N mass of planet (m1) = 2.9×1024 kg mass of…

Q: 4. Mars and Earth, at their closest theoretical positions, are 54.6 million km apart. The mass of…

A: Mass of Earth M1=5.97*1024kg, mass of Mars M2=6.39*1023kg, distance b/w Earth and Mars…

Q: Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8 x 1011…

A: The time period of an astronomical object revolving around a central mass is given by Kepler's third…

Q: A planet with mass 9.69x1023 kg orbits a star with mass 9.21x1030 kg. The orbit is circular, and the…

A:

Q: Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8 x 1011…

A: Given data, Mass of the galaxy = 8x1011 solar mass Radius of the orbit = 5.8x104 light years Time…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!