The study of rocks is called
a. petrology.
b. mineralogy.
c. paleontology.
d. geology.
a
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A hockey puck traveling at speed v on essentially frictionless ice collides with one end of a straight stick lying flat on the ice and sticks to that end. In this collision
a. momentum is conserved. b. angular momentum is conserved. c. energy is conserved. d. all of the above are conserved. e. only momentum and angular momentum are conserved.
The number of electric field lines passing through a unit cross sectional area is indicative of:
a. field strength. c. field direction. b. charge motion. d. charge density.
An electron has a kinetic energy that is twice its rest energy. Determine its speed
a. 0.76 c b. 0.81 c c. 0.94 c d. 0.54 c e. 0.87 c
The peak wavelength in the continuous emission spectrum of a body is inversely proportional to its ____________________
Fill in the blank(s) with correct word