Cracking the SAT Physics Subject Test
that is, by the Doppler Effect for light, they must be moving away from us. This is evidence that the universe is expanding, bec ...
to unite it with relativity. Special relativity was successfully united with quantum mechanics in quantum field theory and the S ...
present state. Several other major puzzles remain in physics. One is that current theories of gravity (both Newtonian and Einste ...
Chapter 16 Comprehensive Drill See Chapter 17 for solutions. Which of the following best approximates the energy of a photon wh ...
state, emitting a 15 eV photon in the process. (C) The electron will absorb the energy of one photon and become excited halfway ...
(A) Proton (B) Neutron (C) Electron (D) Positron (E) Deuteron What’s the missing particle in the following nuclear reaction? ( ...
c past a planet, what will be the length of the cruiser, as measured by the inhabitants of the planet? (A) 0 (B) Between 0 and 2 ...
(E) Redshift of distant galaxies is evidence for which of the following? (A) Expansion of the universe (B) The Uncertainty Pri ...
Key Terms raisin pudding model alpha particles Rutherford nuclear model quanta photon photoelectric effect photoelectrons thresh ...
binding energy mass–energy equivalence radioactive alpha beta (β) gamma parent daughter electron capture (EC) beta particle elec ...
black hole quasar expansion of the universe electron microscope Heisenberg Uncertainty Principle superconductor weak nuclear for ...
Summary For the test, be sure you are familiar with the followingconcepts from this chapter. Rutherford model of the atom Photon ...
The relativity of length Relativistic energy In addition, be able to describe the following briefly: General relativity Quantum ...
Chapter 17 Drill Answers and Explanations ...
CHAPTER 2 DRILL A Traveling once around a circular path means that the final position coincides with the initial position. Ther ...
D Use Big Five #5 with v 0 = 0 (calling down the positive direction). B First we determine the time required for the ball to re ...
By the Pythagorean theorem, the magnitude of the total velocity, v, is 50 m/s. E Since the acceleration of the projectile is al ...
CHAPTER 3 DRILL B Because the person is not accelerating, the net force he feels must be zero. Therefore, the magnitude of the ...
The person exerts a downward force on the scale, and the scale pushes up on the person with an equal (but opposite) force, FN. T ...
Newton’s second law gives us the following two equations: FT − mg = ma (1) Mg − FT = Ma (2) Adding these equations yields Mg − m ...
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