Composite particles that are composed of a quark and antiquark pair are called
A) nucleons. B) leptons. C) baryons. D) hadrons. E) mesons.
E
Physics & Space Science
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_________ are neutron stars that have magnetic fields 100 times stronger than the average neutron star
a. Hypernovae b. Collapsars c. Pulsars d. Kerr singularities e. Magnetars
Physics & Space Science
Find the equation 
that fits the following data.
A. 
B. 
C. 
D. 
Physics & Space Science
Pu is unstable. Which of the following nuclei might be a possible outcome of a single-step decay process from this nucleus?
A. 
B. 
C. 
D. 
E. 
Physics & Space Science
For a simple harmonic oscillator, which of the following pairs of vector quantities can't both point in the same direction? (The position vector is the displacement from equilibrium.)
1.position and velocity 2.velocity and acceleration 3.position and acceleration
Physics & Space Science