## Essential University Physics: Volume 1 (4th Edition)

$7.68 \ km/s$
We use the equation for the velocity to find: $v = \sqrt{\frac{GM_E}{r}} = \sqrt{\frac{(6.67\times10^{-11}\times5.97 \times 10^{24})}{6.37\times10^6 + 380 \times 10^3}} = 7.68 \ km/s$