A landing craft with mass 1.22×104 kg is in a circular orbit adistance 5.70×105 m above the surface of a planet. The period ofthe orbit is 5600 s . The astronauts in the lander measure thediameter of the planet to be 9.80×106 m . The lander sets down atthe north pole of the planet.
A. What is the weight w of an astronaut of mass 86.0 kg as hesteps out onto the planet's surface?
