Why do we say that a baseball falls toward Earth, and not Earth toward the baseball?
Q: Suppose you stood a top ladder so tall that you were 3 times as far from Earth‘s center as you…
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Q: What would happen to an orbiting planet if all of sudden it comes to standstill?
A: While a satellite orbits around a planet, there exists an equilibrium balance between the…
Q: Suppose you stood on top of a ladder that was so tall that you were four times as far from Earth's…
A: Given value: The distance r from the center is given as = four times of earth's radius Re
Q: While the Earth spins around its axis and orbits around the sun, then suppose we remove the sun from…
A: While the Earth spins around its axis and orbits around the sun, then suppose we remove the sun from…
Q: Show that Moon would depart forever if its speed were increased by 47%.
A: We know that,
Q: Calculate the force of Earth’s gravity on a 1 kg mass at Earth’s surface. the mass of Earth is…
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Q: If Earth somehow expanded to a larger radius, with no change in mass, how would your weight be…
A: Consider a man having mass m standing on the Earth’s (of mass M and radius R) surface. The force of…
Q: Earth's gravitational pull just got three times stronger! What happens to your weight?
A: Answer: Introduction: It is here to introduce that the gravitational pull of the earth concept and…
Q: Why does the moon not falls towards Earth, but also does not move away from it?
A: The gravitational force is depends on the masses of the objects and distance between them and also…
Q: If the Moon pulls Earth as strongly as Earth pulls the Moon , why doesn't Earth rotate around the…
A: The mass of the Moon is smaller than that of the Earth, and they rotate about a central point…
Q: What is parking orbit?
A: An orbit of a spacecraft from which the spacecraft or another vehicle may be launched on a new…
Q: Name the planets in order, starting with the planet closest to the Sun.
A: Solar system contain 8 planets orbits around Sun in their own elliptical orbits keeping Sun at one…
Q: How does the spinning of the earth on its axis affect the distribution of energy and moisture?
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Q: If you were on a planet that had twice the mass of the Earth, but was the same size, by what factor…
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Q: What happen if earth don't have gravity?
A: There's a very famous quote on the imagination if earth don't have gravity, i.e. "Earth itself would…
Q: What is gravity and what is its effect on the human body?
A: To state: The definition of gravity. The effect of gravity on the human body.
Q: A newly discovered planet orbits a star identical to our own with a period of 0.5years and an…
A: We have a planet which orbits around a star of mass say M in an orbit with eccentricity e=0.4 and…
Q: Suppose a planet sweeps out an area, call it A, in one day. In terms of A, Kepler's second law tells…
A: Kepler’s second law states that a planet sweeps out equal areas in equal intervals of time.
Q: What would be the effect on Earth’s tides if the diameter of Earth were very much larger than it is?…
A: Tides are due to the differential gravity due to the Moon. The side of earth closer to the Moon…
Q: Earth is not spherical but bulges at the equator. What is the cause of these bulges?
A: Whole earth spins at the same rotational speed.
Q: Which requires less fuel: launching a rocket to escape from the Moon or from Earth? Defend your…
A: Force of gravity defines the attractive force between any two objects. Here, the force of gravity…
Q: ■ What would Earth's surface gravity and escape speed be if the entire planet had a density equal to…
A: The surface gravity of an astronomical object is the gravitational acceleration experienced by an…
Q: Like many other space objects, Earth travels in a predictable path through space. What correctly…
A: SOlution: what is the description for the earth path in the sun.
Q: If you were on an alien planet, where multiple sources of gravity were affecting you, would the…
A: The gravity simply means pulling all things toward ground. human body develop itself according to…
Q: The orbit of the dwarf planet Pluto is inclined 17 degrees, when compared to the eight planets,…
A: The orbit of the dwarf planet Pluto is inclined 17° where as other eight planets has orbital…
Q: Choose the BEST answer to the following: The highest ocean tides occur when the Earth and Moon are…
A: Tides are long period waves that roll around the planet as the ocean by the gravitational pull of…
Q: Why are satellites normally sent into orbit by firing them in an easterly direction, the direction…
A: As a satellite is launched into specific orbit, the satellite must end up rotating into an orbit in…
Q: At what height accleration due to gravity is three fourth of that at the surface of the earth?
A: Given We have to find the height at which the acceleration due to gravity is three fourth of the…
Q: Why do most satellites keep one side pointed in the direction of their orbital movement?
A: A geostationary satellite is an earth-orbiting satellite, directly over the equator, that revolves…
Q: hy is the force of earths gravity so strong
A: gravity is the force by which earth attract any body towards its center g is directly proportional…
Q: Why Earth have 365 days per year?
A: We need to give the reason why the earth has 365 days in a year.
Q: How does gravity affect the skater who starts at a same height among the Earth, Moon and Jupiter?
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Q: Two planets are never seen midinight, which two and why?
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Q: How acceleration due to gravity varies with different conditions
A: How acceleration due to gravity varies with different conditions.
Q: Imagine that Earth had two identical Moons, following the same orbit but staying 90° apart. What…
A: Tides: Due to the gravitational pull of the Moon, Sun, and rotation of the Earth, the rise and fall…
Q: How about the real Moon orbiting an Earth that kept its present size but were made of liquid water…
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