Why are neutrinos so difficult to detect?
A) They have a tendency to pass through just about any material without any interactions.
B) They are extremely rare.
C) They have no mass.
D) No one knows; this is the essence of the "solar neutrino problem."
A) They have a tendency to pass through just about any material without any interactions.
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When did Copernicus live?
A) about 500 years ago B) about 1000 years ago C) about 2000 years ago D) about 100 years ago E) about 5000 years ago
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Answer the following statement true (T) or false (F)
A 0.67 ?F parallel plate capacitor has air between the plates with a separation of 0.33 mm
(a) What is the plate area? (b) What charge is on the plates when connected to a 3.0 volt battery?
Center of Mass: A 1.0-g bead is at (-2.0 cm, 2.0 cm), a 2.0-g bead is at (2.0 cm, -4.0 cm), and a 3.0-g bead is at (2.0 cm, 0.0 cm). What are the coordinates of the center of mass (or center of gravity) of this system of beads?
Fill in the blank(s) with the appropriate word(s).