Q. 40 A satellite is moving very close to planet of density (9). The time period of the satellite is : (b) 2 PG tud (а) pG 3T (d) 1/3 30 (c) 2 PG 2 pG
Q: velocity of the proton in units of km/s
A: Given: Mass of proton is m=1.673×10-27 kg Charge on proton is q=1.6×10-19 C Radius of path is r=4.46…
Q: The escape speed of a projectile on the earth’s surface is 11.2 km s-1. A body is projected out with…
A: Let ve be the escape velocity of the projectile, v be the actual speed of the projectile, v’ be the…
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A: We need to find-Gravitational acceleration (g)=?Given-radius of earth=RMean density=ρ
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Q: Thebe, a moon of a distant planet Jove, is at a center-to-center distancer = 2.20 x 10 m from Jove.…
A: From newton's principles we get the expression for orbital velocity as , V = GMR, Where, v = orbital…
Q: While standing on the surface of a spherical asteriod of mass M and radius R., and astronaut thows a…
A: Mass of asteroid=MRadius=RMaximum height=h
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A: The force due to first sphere is, The force due to second sphere is,
Q: Show that the areal velocity for a circular orbit of radius r about a mass M is ΔA/Δt =1/2 √GMr .…
A: Let, A = the area swept by planet ,while moving in a circular orbit. T= Time period of the…
Q: Satellite A orbits the earth at a height 3.00 times the earth's radius. Satellite B orbits the earth…
A: Given, Satellite A is revolve around the earth at height,HA = 3ReSatellite B is at a height,HB =…
Q: IWO spnerical celestial objectS, call them A and B have masS M1 and M2 With radius R1 and R2…
A: Gravitational force F = Gm1 m2 /r2 acceleration due to gravity g = GM/R2 M= mass of planet R =…
Q: Two satellites A and B have masses mand 2m respectively. A is in a circular orbit of radius R and B…
A: Two satellites, A and B, are known to have masses of m and 2 m, respectively. Around the earth, A is…
Q: Energy required to move a body of mass m form an orbit of radius (2R) to (3R) is (a) (c) GM m 12R²…
A: To find-Energy required to move a body (T.E.)=?Given-Mass of body=mInitial radius=2RFinal radius=3R
Q: Communications satellites are placed in a circular orbit where they stay directly over a fixed point…
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Q: Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy.…
A: Solution: Given Values, Orbital speed of first planet (v1)=36.8 Km/s =36.8×103 m/sOrbital speed…
Q: A projectile is launched vertically upward from a planet of mass M and radius R; its initial speed…
A: The initial velocity of the projectile vi is 2 ve, where ve is the escape velocity. Since the…
Q: A planet is in an elliptical orbit around a distant star. At periastron (the point of closest…
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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: Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy.…
A: Given , Orbital speed of planets are 37.4 km/s and 51.8 km/s Time period of slower planet is 6.05…
Q: At what altitude h above the north pole is the weight of an object reduced to 27% of its…
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Q: Two satellites are in circular equatorial orbits of different altitudes. Satellite A is in a…
A: 1. For an elevation angle of 0 degrees: Satellite A is in a geosynchronous orbit, meaning it…
Q: star in the Andromeda galaxy is found to have a planet orbiting it at an average radius of…
A: Given radius(r)=3.38 x 1010 m Orbital period(T)=5.46 x 104 s
Q: While visiting Planet Physics, you toss a rock straight up at 11 m/s and catch it 2.5 s later. Your…
A: The speed of the rock is 11 m/s. The time taken to catch the rock is 2.5 s. The time taken by the…
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Q: An asteroid, headed directly toward Earth, has a speed of 12 km/s relative to the planet when the…
A: Solution
Q: Q. 33 If (p) is the mean density of the earth and (R) is its radius, then critical speed of…
A: To find-VC=?Given-Mean density of earth=δRadius=Rh=0 (since satellite is revolving close to surface)
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: The gas-giant planet Rom (mass 5.7⨯1026 kg) goes around the star Galla (mass 2.0⨯1030 kg) in a…
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Q: (a) Imagine that a space probe could be fired as a projectile from the Earth's surface with an…
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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: C) ESA wants to send a satellite to Jupiter to investigate its internal structure and origin by…
A: Here's the explanation based on the theory behind the calculations:Escape Velocity:Every object…
Q: A spacecraft of mass m is in a clockwise circular orbit of radius R around Earth.. The mass of Earth…
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Q: A particle of mass m is placed at a distance r away from the center of a thin circular hoop of mass…
A: Given, mass as, m1=Mm2 =m radius=R, distance=r.
Q: One way astrophysicists have identifi ed “extrasolar” planets orbiting distant stars is by observing…
A: Part (a) Given: The mass of star is ms=1.99×1030 kg. The mass of planet is mp=1.90×1027 kg. The…
Q: The ratio of the radius of the Earth to that of the Moon is 10. The ratio of acceleration due to…
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Q: Two planets P, and P, orbit around a star S in circular orbits with speeds v, = 44.4 km/s, and v,…
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Q: Two satellites A and B go round the planet P in circular orbits having radii 4R and R respectively.…
A: Answer Given radius of satellite RA = 4R radius of satellite RB = R Speed of satellite VA = 3V
Q: Three uniform spheres of masses m₁ = 3.00 kg, m₂ = 4.00 kg, and m3 = 5.00 kg are placed at the…
A: FINAL ANSWER: Resultant gravitational force on the object of mass m2 is 8.34×10^-11i…
Q: Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy.…
A: The orbital speed of the first planet, v1=44.6 km/s=44.6×103 m/s The orbital period of the first…
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