The moon is accelerating toward the earth. Why isn’t it getting closer to us?
Q: 8. A drone on the moon and a drone on mars each launch with initial velocity 10 meters per second.…
A: Given,The initial launch velocity of the drone u=10 m/s.Acceleration due to gravity on moon gmoon =…
Q: A ball traveling in a circle with a constant speed of 6 m/s has a centripetal acceleration of 20…
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Q: A spaceship has a rotating compartment which gives its passengers artificial gravity. Suppose this…
A:
Q: 6. A sky-watching friend tells you they've been tracking an Earth satellite in a circular orbit with…
A: We know thatThe value of universial gravitational consntat is (G) =6.67x10-11N.m2/kg2Mass of the…
Q: 2. Two identical stars with radius R and mass M, orbits around their center of mass. The orbit is…
A: Given : Mass of star 1 = M kg Mass of star 2 = M kg The orbit is circular. Stars are on opposite…
Q: Convert a) heat of vaporization b) heat of fusion c) heat of sublimation of water in cal/mol.
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Q: A man stands on a giant, stationary platform located 500 km above the surface of the Earth. What…
A: Given: The distance of man from the earth's surface is 500 km.
Q: A dwarf planet and an asteroid are in a remote location in space far from any other bodies.…
A: 1) F = Gm1m2/r^2 = (6.67×10^-11×9×10^20×4.5×10^17)/(3×10^7)^2 = 3×10^13 N 2) acceleration of…
Q: 2. The closer you are in the earth's surface, the smaller is the acceleration due to gravity.
A: Introduction: The acceleration of a body in free fall under the influence of earth's gravity…
Q: an object has a radius R and a velocity V and a mass M.What happens to centripetal when mass…
A: The initial centripetal acceleration of an object can be given as, ai=v2R ...... 1
Q: 34. A geosynchronous satellite appears to “hover” stationary directly above a particular point on…
A: Given that the time period is T=23×60×60+60×60T=86400 s The formula to calculate the velocity of…
Q: Two identical planets orbit a star in concentric circular orbits in the star's equatorial plane. Of…
A: Keplers third law the time period a planet is directly proportional to 32 power of its distance…
Q: f a hole were dug through the center of a planet and a ball dropped into the hole, which of the…
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Q: .) An Astronaut is in free orbit around the earth while doing a spacewalk. Assuming that he is in a…
A:
Q: 4. Assume you have a mass of 50kg. Earth had a mass of 5.97 x 10 kg and a radius of 6.38 x 10° m. a.…
A: (a) F= 489 Newtons (b) Weight W= 490.5 Newtons
Q: Hey! Choose 2 other planets (or celestial bodies) and calculate the force of gravity acting on…
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Q: Earth’s gravity makes the moon go around in circle around the earth (assume constant speed). What…
A: The gravitational force provides the necessary centripetal force required for the moon to rotate.…
Q: An object is orbiting earth at a height of 100 km from the surface. What's the period? Gravitational…
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Q: A planet makes 15 orbits in 60 days, what is the period of the planet is seconds?
A: Given that:-The planet makes 15 orbit in 60 days.∴Hence, the planet make 1 orbit in 6015=4 days
Q: 35. Ellipsoid Earth. to its rotation, producing an apparent "centrifugal force" pulling the equator…
A: Given, The time difference is: ∆t=aπGασβ((b+vγcgRc(ecosfθ-f))4-cgRccgRc+vγ(ecosfθ-f)) Dimensionally,…
Q: PLANETARY MOTION: Supply the missing value for the eccentricities of the planets Aphelion Perihelion…
A: If a= semi major axis and e is the eccentricity then Aphelion = a(1+e) and Perihelion = a(1-e) We…
Q: Once again you are Sergei Korolev, chief Sovict rocket scientist, and just cannot stop developing…
A: Linear velocity, Earth's radius, Earth's mass, Universal gravitational constant,
Q: What is the change in velocity, Av, required for a spacecraft to escape the influence of Earth's…
A:
Q: 34. A geosynchronous satellite appears to "hover" stationary directly above a particular point on…
A: The objective of the question is to calculate the altitude and speed of a geosynchronous satellite.…
Q: 20. The state vectors for an Earth-orbiting spacecraft at a given point in time are: R=(2,200 /…
A: Given: Let us consider the given point in time are R→=2200 i^+1300 j^+6400 k^kmV→=3.2 i^+5.2 j^+4.7…
Q: 2. Based on Diagram 2, P and Q are two planets of masses 2m and 3m. Both separated by a distance of…
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Q: Which of the three orbits shown below (A, B, or C) would you say most closely matches the shape of…
A: The eccentricity of Earth's orbit around the Sun is 0.05. This implies that the Earth's orbit around…
Q: Everything on the Earth’s surface is rotating in a circle as the Earth spins on its axis. Does this…
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Q: 6. Assuming that the Moon is revolving around the center of the Earth (? = 3.84 × 108m) and…
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Q: Suppose you wish to calculate the acceleration of gravity on the surface of a distant planet. What…
A: When the body is in free-fall condition, then the body experiences a force known as Acceleration due…
Q: What is the gravitational force on a small mass "m" when the small mass "m" is placed a distance "D"…
A:
Q: 27. A satellite is in a circular orbit around the Earth with a radius equal to half of the radius of…
A: Given:Radius of orbit of a satellite around the earth = Half of the radius of orbit of moon around…
Q: A Ferris wheel with a 10-m radius makes six complete clockwise revolutions in five minutes about its…
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Q: if the moon's distance were increased from the earth, would the gravitational force increase or…
A: Let the mass of moon = m Let the mass of earth = M Let the initial distance between earth and moon =…
Q: The Moon exerts a torque on Earth's tidal bulge. Although the tides are raised in part by the Moon…
A: Torque or the moment of the force is the measure of the force that will cause an object to rotate…
Q: 4) A 1.0 x 10' kilogram car travels at a constant speed of 50. meters per second around a horizontal…
A: Mass of car,(m)=1 x 103 kg -----(1) [Given] Constant Speed of car,(v)=50 m/sec -----(2) [Given]…
Q: 34. A geosynchronous satellite appears to “hover” stationary directly above a particular point on…
A: The objective of this question is to calculate the altitude and speed of a geosynchronous satellite.…
Q: If the Sun were 5 times more massive, its gravitational force on the Earth would be: a. 25 times…
A: Given data: The original mass of the sun = Ms The original mass of the Earth = Me New mass of the…
Q: Acceleration due to gravity above the earth's surface at a height equal to the radius of the earth…
A: To find-Acceleration due to gravity (g')=?Given-height above earth's surface(h)=Radius of earth…
Q: The state vectors for an Earth-orbiting spacecraft at a given point in time are: =(2,200 / +1,300 J+…
A: The magnitude of R→ is R=Rx2+Ry2+Rz2R=2200 km2+1300 km2+6400 km2R=6891.2989 km The magnitude of V→…
The moon is accelerating toward the earth. Why isn’t it getting closer to us?
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