When a satellite going round the earth in a circular orbit of radius $r$ and speed $v$ loses some of its energy, then $r$ and $v$ change as
When a satellite going round the earth in a circular orbit of radius $r$ and speed $v$ loses some of its energy, then $r$ and $v$ change as
$r$ and $v$ both with increase
$r$ and $v$ both will decrease
$r$ will decrease and $ v$ will increase
$r$ will increase and $v$ will decrease
When a satellite going round the earth in a circular orbit of radius $r$ and speed $v$ loses some of its energy, then $r$ and $v$ change as
$B.E. = - \frac{{GMm}}{r}.$
If $B.E.$ decreases then $r$ also decreases and $v$ increases as $v \propto \frac{1}{{\sqrt r }}$
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