Physics
posted by Ryan .
A 170 kg astronaut (including space suit) acquires a speed of 2.75 m/s by pushing off with his legs from a 2400 kg space capsule. What is the average change in speed in meters/second of the space capsule?

Physics 
Elena
0 = m₁vm₂u
u= m₁v/m₂=175•2.75/2400= ...
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