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Last Modified: 1:01pm 10 Aug 11

You already know one connection between forces (Newtons) and energy (Joules): work is the integral of (force dot displacement). We can turn this upside down, so to speak, to see another connection.
Looking at gravitational potential energy as we move away from the Earth leads naturally to a discussion of escape velocity.
And now we can deal with black holes.
Here's a brief review of the idea behind potential energy:
Some problems require both forces and energy ....
Some additional Energy Problems
Can RIT use GPE to save some money and therefore decrease tuition?
If you finish early, consider this rather slippery problem.
Hint: draw a big picture, and assign symbolic values like m, R, etc., to any quantities that you think might be relevant. Consider both conservation of energy and the motion of an object in a circular path ...
Last Modified: 1:01pm 10 Aug 11

Last Modified: 1:01pm 10 Aug 11

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