Expression for escape velocity
. Substituting for g e and R e in equation (2) we get, Hence, a projectile with a velocity greater than 11.2km/s will escape from the surface of the earth. From the above expression it is clear that escape velocity is independent of the mass of the ..
. Substituting for g e and R e in equation (2) we get, Hence, a projectile with a velocity greater than 11.2km/s will escape from the surface of the earth. From the above expression it is clear that escape velocity is independent of the mass of the ..Escape Velocity
All bodies when projected vertically upwards fall back to earth due to the earth's gravitational pull. The maximum height attained by a body depends upon the initial velocity of the body. This does not mean that no object can escape earth's gravitat..
The Planets
Planets are the largest objects in the solar system except for the sun. Unlike the sun, the planets do not produce their own energy. They reflect the heat and visible light produced by the sun. The four planets near the Sun - Mercury, Venus, Earth and M..
The Planets
Planets are the largest objects in the solar system except for the sun. Unlike the sun, the planets do not produce their own energy. They reflect the heat and visible light produced by the sun. The four planets near the Sun - Mercury, Venus, Earth and Mars ar..
Planets are the largest objects in the solar system except for the sun. Unlike the sun, the planets do not produce their own energy. They reflect the heat and visible light produced by the sun. The four planets near the Sun - Mercury, Venus, Earth and Mars ar..Earth
The earth is a huge sphere. The surface of which is made up of rock, soil and water. It is surrounded by air. The planet earth is only a tiny part of the universe, but it is the home of human beings and many other living things. Animals and plants live almost everywher..
The earth is a huge sphere. The surface of which is made up of rock, soil and water. It is surrounded by air. The planet earth is only a tiny part of the universe, but it is the home of human beings and many other living things. Animals and plants live almost everywher..Conditions for Life to Originate and Flourish on a Planet
All the planets do not have life on them. Earth is the only planet in the solar system having life on it. This is because certain conditions or requirements are necessary to enable life to originate and flourish on a planet. They are: The planet sho..
Earth's Moon
Moon is the natural satellite of the earth. It is our nearest neighbor in space, but it is still about 380,000 kilometers away. Its surface is covered with lots of craters. There is no air and no water on the moon. Days are extremely hot and nights are very cold. As the moon is nearer to ..
Moon is the natural satellite of the earth. It is our nearest neighbor in space, but it is still about 380,000 kilometers away. Its surface is covered with lots of craters. There is no air and no water on the moon. Days are extremely hot and nights are very cold. As the moon is nearer to ..Orbital velocity
The velocity with which, an object circles the Earth in a circular path is known as orbital velocity. Let a body of mass m be projected from the Earth's surface so that it revolves around it. Let its height be h from the surface of the Earth. The c..
The velocity with which, an object circles the Earth in a circular path is known as orbital velocity. Let a body of mass m be projected from the Earth's surface so that it revolves around it. Let its height be h from the surface of the Earth. The c..Earth-moon system
The method used in the binary star system can be also used for planet-satellite binary system. This is possible because the planet and the satellite also revolve around a common centre of mass...
The method used in the binary star system can be also used for planet-satellite binary system. This is possible because the planet and the satellite also revolve around a common centre of mass...Earth as a Source of Elements
Most elements are formed due to fusion of simple nuclei to give heavier nuclei i.e., nucleosynthesis or nuclear fusion reactions taking place in the stars. Atoms of these elements began to fall together about six billion years ago to form a system, presently called the solar system. A part of these..
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