1. The problem statement, all variables and given/known data While visiting Planet Physics, you toss a rock straight up at 13m/s and catch it 2.7s later. While you visit the surface, your cruise ship orbits at an altitude equal to the planet's radius every 210min . What is the mass and radius of the planet Physics???? 2. Relevant equations M=v^2r/G M=4pi^2r^3/GT^2 Please help me, I'm like so confused.