Answer:
The equation for speed is : distance divided by time.
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Net force
As it's negative the box will move left
The type of radiation that can penetrate through paper, but not through wood is called beta rays. Beta rays can penetrate paper and air, but a thin piece of alimony can stop it. Gamma can cut through anything except lead and many inches of concrete. Alpha can be stopped by paper and not penetrated. The correct answer is B.
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Your answer is going to be C. Frequency
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