The two great theories of 20th-century physics are the theory of relativity and
A) Hamiltonian mechanics.
B) the bootstrap theory of elementary particles.
C) quantum theory.
D) thermodynamics.
E) electromagnetism.
C
You might also like to view...
A car with tires whose radius is 35 cm is traveling along a highway at 29.8 m/s. What is the angular speed of the tires?
A) 90 rad/s B) 85 rad/s C) 80 rad/s D) 75 rad/s E) 70 rad/s
Charge Q is distributed uniformly along a semicircle of radius a. Which formula below gives the correct magnitude of the force on a particle of charge q located at the center of the circle?
A.
.B.
.C.
.D.
.E.
.A cable is 100-m long and has a cross-sectional area of 1.0 mm2. A 1000-N force is applied to stretch the cable. Young's modulus for the cable is 1.0 × 1011 N/m2. How far does the cable stretch?
A) 0.10 m B) 1.0 m C) 10 m D) 0.010 m
If heavier elements are more stable when they have more neutrons, what happens to the heaviest elements?
a. They have very large nuclei to sustain the number of neutrons needed for stability. b. Above a certain atomic mass, there are no stable elements. c. For high enough atomic mass, there is no longer a rule to determine which nuclei are stable. d. The curve reverses and the nuclei of the heaviest elements are more even matches of protons and neutrons. e. The curve reverses completely and the nuclei of the heaviest elements are stable with many more protons than neutrons.