java lab

do not know how to get through this lab

Escape Velocity The average person can jump off the ground with a velocity of 3.13 m/s (about 7 mph) Java test program that allows the user to input a launch velocity (m/s) from the surface of a small body and determine whether the jumper will return to the surface. GM 2 Vescape G-6.67 x 10" Nm/kg2 Gravitational Constant M-2.2 x 1014 kg mass of Halley's Comet R-5,500 m radius of Halley's Comet