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Q. (a) Determine the escape speed from Jupiter's moon Callisto, with mass and radius 2.40 ,
(b)and a neutron star, with the Sun's mass crammed into a sphere with radius 5.90 km

Q. A mobile at the art museum has a 2.0 kg steel cat and a 4.0 kg steel dog suspended from a lightweight cable. It is found that theta = 20 when the center rope is adjusted to be perfectly horizontal. What is the tension and the angle of the rope 3?

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Category:- Physics
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