Question

An astronaut in her space suit has a total mass of 87 kg, including suit and oxygen tank. Her tether line loses its attachment to her spacecraft while she is on a spacewalk. Initially at rest with respect to her spacecraft, she throws her 12 kg oxygen tank away from her spacecraft witha speed of 8 m/s to propel herself back toward it. Determine the maximum distance she can be from the craft and still return within 2 min