Which of the following is the type of particle that almost never interacts with normal matter?
A) neutrons
B) electrons
C) neutrinos
D) protons
Ans: C) neutrinos
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Energy and Mass: A 1.00-kg gold ingot is carried from the bottom of the Eiffel tower to the top, 300 m above ground level. By what amount does its mass change? (c = 3.00 × 108 m/s)
A. Its mass does not change. B. Its mass increases by 3.27 × 10-14 kg C. Its mass decreases by 3.27 × 10-14 kg D. Its mass increases by 1.64 × 10-14 kg E. Its mass decreases by 1.64 × 10-14 kg
Consider a closed pipe of length L. What are the wavelengths of the three lowest tones produced by this pipe?
A) 16L, 4L, L B) 4L, 2L, L C) 2L, L, L/2 D) 2L, L, 2L/3 E) 4L, 4L/3, 4L/5
A 60.0-kg person rides in elevator while standing on a scale. The elevator has an acceleration 2.00 m/s2 upward. What is the reading on the scale?
A) 589 N B) 709 N C) 469 N D) zero E) 349 N
Earth's largest ocean is the ______________ Ocean
Fill in the blank(s) with correct word