An artificial satellite moving in a circular orbit around the earth has a total (kinetic + potential) energy E0. Its potential energy is

Question

An artificial satellite moving in a circular orbit around the earth has a total (kinetic + potential) energy E0. Its potential energy is (A) -E0 (B) 1.5 E0 (C) 2 E0 (D) E0

Tardigrade Admin · Accepted Answer

Potential energy =2 × (Total energy) =2 E0 Because we know U=-(G M m/r) E0=-(G M m/2 r)

Q. An artificial satellite moving in a circular orbit around the earth has a total (kinetic $+$ potential) energy $E_{0}$ . Its potential energy is

$- E_{0}$

$1.5 E_{0}$

$2 E_{0}$

$E_{0}$

Potential energy $= 2 \times$ (Total energy) $= 2 E_{0}$
Because we know $U = - \frac{GM m}{r}$
$E_{0} = - \frac{GM m}{2 r}$

Q. An artificial satellite moving in a circular orbit around the earth has a total (kinetic + potential) energy E0​. Its potential energy is

−E0​

1.5E0​

2E0​

E0​