Which of the following particles are made up of quarks? (There may be more than one correct choice.)
A) neutrinos B) muons C) hadrons D) mesons E) nucleons
C, D, E
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The basic building blocks of matter are protons, neutrons, and electrons
Indicate whether the statement is true or false
A 4.0-kg mass on the end of a string rotates in a circular motion on a horizontal frictionless table. The mass has a constant speed of 2.0 m/s and the radius of the circle is 0.80 m. What is the magnitude of the resultant force acting on the mass?
A. 39 N B. 20 N C. 44 N D. 0 N E. 30 N
The internal energy of an ideal gas is changed by adding heat Q to the system and also by doing work W on the gas. What is the change in internal energy of the gas?
A) 4.186Q - W B) Q - 4.186W C) W - Q D) Q + W E) Q - W
What is the wavelength of a 0.40 kg object moving at 25 m/s?
A. 0.40 kg objects don't have wavelengths
B. 10 m
C. 0.10 m
D. 
E. 