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

question 12

Multiple Choice

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 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.If her total mass with equipment is 100 kg and her resulting acceleration is 1.6 * 10^-9 m/s² towards the shuttle,what is the power of the laser?

• A)30 W
• B)18 W
• C)20 W
• D)24 W
• E)27 W

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