An astronaut in deep space (where there is no gravity) is at one end of her craft and wants to move to the other. She pushes against the side of the craft with a force of 25 N and this causes her to accelerate 0.5 m/s2. What is her weight?

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the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.