Question: A small spaceship whose mass is 1.5 x 103 kg (including an astronaut) is drifting in outer space with negligible gravitational forces acting on it.

A small spaceship whose mass is 1.5 x 103 kg (including an astronaut) is drifting in outer space with negligible gravitational forces acting on it. If the astronaut turns on a 10 kW laser beam, what speed will the ship attain in 1.0 day because of the momentum carried away by the beam

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If the beam carries energy U away from the spaceship then it also carries momentum p Uc away ... View full answer

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