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Question Number 167078 by peter frank last updated on 05/Mar/22

Commented by mr W last updated on 07/Mar/22

$s o m e t h i n g i s t a t a l l y w r o n g .$ $i f t h e s a t e l l i t e i s j u s t l a u n c h e d i n t o$ $a s m a l l h e i g h t, s a y H \approx 0, y o u n e e d$ $i n f i n i t e e n e g y : \frac{m g R}{2} (1 + \frac{R}{0}) \to \infty .$ $t h e l o w e r y o u l a u n c h i t t h e m o r e$ $e n e r g y y o u n e e d,$ $t h i s i s n o n - s e n s e .$
Commented by peter frank last updated on 07/Mar/22

$thank you for confirmation$
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