Compared to the distance between Earth and Mars, the distance between Jupiter and Saturn is
A) about the same.
B) much larger.
C) much smaller.
D) just slightly less.
B
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Nanoparticles are finding many applications including medicine, magnetic permanent memory, and high strength materials. Assume that a high strength nickel alloy is to be made out of nanoparticles, and that the size of the nanoparticles is a cube 10 nm on each side. Calculate the number of atoms in these particles in two ways.
(a) For face centered cubic nickel calculate the number of atoms using only the lattice parameter of 0.352 nm from Appendix B and (b) using the density of nickel and the atomic mass from Appendix B.
Simple Harmonic Motion: A 0.25 kg harmonic oscillator has a total mechanical energy of 4.1 J. If the oscillation amplitude is 20.0 cm, what is the oscillation frequency?
A. 4.6 Hz B. 1.4 Hz C. 2.3 Hz D. 3.2 Hz
What does the ring represent in this picture?
A) the path of the particle accelerator called the Large Hadron Collider B) a collision between high-speed subatomic particles C) the Sudbury neutrino observatory D) the Stanford linear accelerator
A light ray bends when it goes from one medium to another because of __________
Fill in the blank(s) with correct word