Susan is quite nearsighted; without her glasses, her far point is 39 cm and her near point is 16 cm . Her glasses allow her to view distant objects with her eye relaxed. With her glasses on, what is the closest object on which she can focus?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

More solar radiation is absorbed by earth’s surface than by

Acharged particle moves in a circular path in a uniform magnetic field. which of the following would increase the period of the particle's motion? check all that apply. increasing its chargeincreasing its massincreasing the field strengthincreasing its speed