# Physics

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A solid metal ball and a hollow plastic ball
of the same external radius are released from
rest in a large vacuum chamber.
When each has fallen 1 m, they both have
the same
1. momentum.
2. inertia.
3. speed.
4. change in potential energy.
5. kinetic energy.

• Physics -

... Same Speed. That is what Galileo's experiment in Pisa was all about.

• Physics -

plz help me in Physics practicals.
1 chapter.

• Physics (adnan) -

Please post specific questions separately, not as an add-on to someone else's question.
Use "Post a New Question"

While you are at it, what is a "physics practical"?

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