A satellite revolves around a planet in a elliptical orbit.its maximum and minimum distances from the planet are 1.5 * 10^7m respectively.If the speed of the satellite at the farest point be 5*10^3m/s,then the speed at the nearest point is: a)5*10^3m/s b)1.5*10^4m/s c)3*10^3m/s d)4*10^4m/s
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gravitational attraction G M m / r^2 = m v^2 / r
Or after cancelling m we get GM = v^2 * r
Same way GM = V^2 * R
Equating and simplifying we get V = ./(r/R) * v
Or after cancelling m we get GM = v^2 * r
Same way GM = V^2 * R
Equating and simplifying we get V = ./(r/R) * v
mdtushaara:
which option is correct
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