A light ray reflects from a surface. If the angle of incidence is 
what is the angle between the reflected ray and the incident ray at the surface?
a. 
b. 
c. 
d. 
e. 
d.
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A ball is thrown upward with a speed and direction such that it reaches a maximum height of 16.0 m above the point it was released. At its maximum height it has a speed of 18.0 m/s. With what speed was the ball released?
A) 25.3 m/s B) 22.2 m/s C) 33.0 m/s D) 29.2 m/s E) 36.9 m/s
What happens to most of the solar neutrinos between the Sun's core and Earth?
What will be an ideal response?
A 9.0-V battery moves 200 mC of charge through a circuit running from its positive terminal to its negative terminal. How much energy was delivered to the circuit?
a. 4.5 x 103 J c. 2.2 mJ b. 1.8 J d. 0.18 J
If pair production of muon-antimuon pair can occur for photons of 5.85 fm or less, what is the mass of a muon?
A. 212 MeV/c2 B. 106 MeV/c2 C. 424 MeV/c2 D. 0.511 MeV/c2 E. 1.02 MeV/c2