An astronaut in her space suit has a total mass of 87.0 kg, including suit and...
An astronaut in her space suit has a total mass of 87.0 kg, including suit and oxygen tank. Her tether line loses its attachment to her spacecraft while she’s on a spacewalk. Initially at rest with respect to her spacecraft, she throws her 12.0-kg oxygen tank away from her spacecraft with a speed of 8.00 m/s to propel herself back toward it, as shown in Figure 1.
Determine (a) her speed after throwing the oxygen tank away and
(b) the maximum distance she can be from the craft and still return within 2.00 min (the amount of time the air in her helmet remains breathable).
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