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Grade: 12th pass
        
  1. The ratio between orbital and escape velocities is
    (A) 1
    (B) 2
    .(c)√2 (under root)
    D)1/√2
5 months ago

Answers : (2)

Arun
11463 Points
							escape velocity is the minimum speed needed for an object to "break free" from the gravitational attraction of a massive body. The escape velocity from Earth is about 40,270 km/h (25,020 mph).The velocity of this orbit depends on the distance from the object to the center of the Earth. The velocityhas to be just right, so that the distance to the center of the Earth is always the same.The orbital velocityformula contains a constant, G, which is called the "universal gravitational constant“.
						
5 months ago
Hargun singh
19 Points
							I think that is answer is (c)  i.e, √2Because  the relation between escape velocity and orbital velocity is √2.
						
5 months ago
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