In Outer Space,there Are Two Astronauts at Rest,one 20

In outer space,there are two astronauts at rest,one 20.0 m from the space shuttle and the other 40.0 m away from the shuttle.By using a 20 W laser,the astronaut located 40.0 m away from the shuttle decides to propel the other astronaut towards the space shuttle.He focuses the laser on a piece of totally reflecting fabric on her space suit.What is her total mass with equipment if her resulting acceleration is 1.6 * 10^-9 m/s² towards the shuttle?

A) 84 kg
B) 119 kg
C) 100 kg
D) 110 kg
E) 133 kg

Correct Answer:

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