The escape speed on Earth is 11.2km/s. What is its value for a planet having double the radius and eight times the mass of the Earth.

Q: The International Space Station has a mass of 4.2X10^5kg and orbits at 400km above the surface of…

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Q: A newly discovered planet has a radius of 4.7×106 m and a mass of 5.5×1024 kg . If a rock on this…

A: Given : Radius  of the Planet, R =  4.7×106 m, Mass of the Planet, M =  5.5×1024 kg,  Required :…

Q: How far from the surface of the earth does a rocket travel, before momentarily coming to rest, when…

A: Given:- Initial speed = u = (1/3) of Vesc Escape speed = Vesc = 11.2 km/sec = 11.2x103 m/s Formula:-…

Q: The tallest spot on Earth is Mt. Everest, which is 8850 m above sea level. If the radius of Earth to…

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Q: A mass Mis split into two parts, m and M - m, which are then separated by a certain distance. What…

A: Given Data: The total mass is: M The of part 1 is: m The of part 2 is: M-m Let d is the distance…

Q: A recently discovered planet has a mass twice as great as Earth's and a radius twice as large as…

A: Mass of planet = mass of earth  radius of planet = 2 x radius of earth

Q: At what altitude above Earth's surface would the gravitational acceleration be 4.30 m/s2? (Take the…

A: Given data: Gravitational acceleration gh=4.30 m/s2 The radius of the earth R=6370 km

Q: ex. The escape velocity at the surface of the earth is approximately 8 km/s. What is the escape…

A: Given data: Escape velocity at the surface of the earth v = 8 km/s The radius of planet (rp) = 4r…

Q: In 2005 astronomers announced the discovery of a large black hole in the galaxy Markarian 766 having…

A: (a) Write the expression for speed in terms of time period. Rearrange equation (I) to obtain an…

Q: Mars has a small moon, Phobos, that orbits with a period of 7 h 39 min. The radius of Phobos’ orbit…

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Q: A satellite of Mars, called Phoebus, has an orbital radius of 9.4 × 10° m and a period of 2.8 × 10ª…

A: Given: The orbital radius is 9.4x106 m. The time period of the satellite is 2.8x104 s.

Q: The star closest to the Sun is called Proxima Centauri. Proxima Centauri has a radius of 101,000 km…

A: Let the proxima centauri is 2.45x1029 kg, and the radius is 101000 km. The expression for…

Q: At what altitude above Earth’s surface would the gravitational acceleration be 4.9 m/s2?

A: The gravitational force between the Earth M and any mass m,

Q: The rocket is at height of 150 km above the Earth. Thus, the distance r in which is measured from…

A: Given that:- Height of rocket from earth surface=150km

Q: A satellite of earth has a speed of 5900 m/s. Find: a) the radius of the orbit b) the period of…

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Q: The Earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the…

A: Given information :- Escape velocity ve' =f.ve ; ve is escape veloctiy from the earth's surface

Q: Find the escape velocity that a 1500 kg satellite needs to escape from the Solar System from Earth…

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Q: Weight of a body at the equator of a planet is half of that at the poles. If peripheral velocity of…

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Q: An asteroid with mass m = 1.00 x 10^9 %3D kg comes from deep space, effectively from infinity, and…

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Q: At what altitude above Earth's surface would the gravitational acceleration be 6.47 m/s2?

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Q: An asteroid starts at rest infinitely far from Earth. The asteroid has a mass of 1.00x104 kg.…

A: 1)Change in gravitational potential energy = - GMm/R  = -6.67 * 10-11 * 6 * 1024 * 104/(6378000) = -…

Q: A “treetop satellite” moves in a circular orbit just above the surface of a planet, assumed to offer…

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Q: A planet of mass 4.5x1026 kg has a radius 5.3x106 m. A satellite is launched from the surface of the…

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Q: Consider an object that is in an elliptical orbit with semimajor axis a = 7.9×106 m about a planet…

A: Relation b/w the apogee ( furthest ) and perigee (closest) point with Semimajor axis(a) are as:…

Q: At what height (in km) above the surface of Earth would the gravitational ?acceleration be 6.6 m/s-

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Q: A comet orbits the sun (mass m_S) in an elliptical orbit of semi-major axis a and eccentricity e…

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Q: (f 601) N

A: Calculating the minimum velocity (escape) on the basis of kinetic energy

Q: Jupiter, the largest planet in our Solar System, has a diameter of 139.82 x 106 m and mass of 1.898…

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Q: A 5.00 kg satellite is to be launch in geosynchronous orbit on Earth. (a) At what altitude above the…

A: When a satellite revolves around earth it experience two type of forces one is gravitational…

Q: Q A 'treetop satellite' moves in a circular orbit just above the surface of a planet, assumed to…

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Q: Suppose a planet is discovered orbiting a distant star with 13 times the mass of the Earth and 1/13…

A: Given: Mass = 13 times mass of earth. Radius = 1/13 radius of earth.

Q: It was found out that on a certain exo planet in Andromeda galaxy, the gravitational acceleration is…

A: g = 19.6 m/s2 g = c - bz - az2 c = 19.6 m/s2 b = 5 × 10-5 s-2 a = 1 × 10-2 m-1s-2 g' = g - 1.2%g

Q: The gravitational acceleration at Earth's surface (ge) is about 10 m/s2 and ge = GMe/Re². What g, at…

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Q: What is the escape speed (in m/s) of a satellite located at the Moon's orbit about Earth? Assume the…

A: Given data- satellite located at the Moon's orbit about earth. Mass of earth ME=5.972×1024 kg…

Q: Consider a distant planet that has twice the mass and twice the radius of the Earth.Is the escape…

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Q: What is the escape speed on a spherical asteroid whose radius is 3.00 x 10° m and whosebie…

A: It is given that,

Q: Calculate the escape velocity on the surface of the Earth. Radius of Earth=6.38*106m , acceleration…

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Q: One of your summer lunar space camp activities is to launch a 1010 kg rocket from the surface of the…

A: Given: The mass of the rocket is 1010 kg. The altitude is 209 km. The mass of the moon is 7.36×1022…

Q: A particle with mass 80 g is ejected vertically upward with initial speed 5.0 m/s on Mars. The…

A: Mass of the particle, m=80 g=801000 kg=0.08 kg Gravitational acceleration on mars, ag=3.3 m/s2…

Q: A planet with a radius of 6.00 × 107 m has a gravitational field of magnitude 40.2 m/s2 at the…

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Q: the escape speed from the surface of the earth is 11.2 km/s. What is the escape speed from a planet…

A: It is known that the escape speed of the earth from the surface is 11.2 km/s. The density of the…

Q: Define the term escape speed and derive an expression for it for a body on the Earth's surface.

A: Escape velocity is the minimum velocity with which a body must be project vertically upward so that…

Q: For a body at a height of 200m, what is the body's velocity when it reaches the earth's surface and…

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Q: Suppose a new planet is discovered, with the same radius as earth, but has a mass that is twice that…

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.