A. Shape the pot so that it has a wider base and the same size rim. B. Shape the pot so that it has a wider base and a wider rim.
C. Shape the pot so that it has the same size base and a wider rim.
O D. Shape the pot so that it has a narrower base and the same size
rim.

frequency or wavelenth of em radiation in a vacuum

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this