Gamma ray bursts were first recorded while trying to detect _____
a. solar flares
b. the Aurora Borealis
c. nuclear reactor accidents
d. nuclear tests
e. particle accelerator leakage
d
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A particle (q = ?4.0 ?C, m = 5.0 mg) moves in a uniform magnetic field with a velocity having a magnitude of 2.0 km/s and a direction that is 50° away from that of the magnetic field. The particle is observed to have an acceleration with a magnitude of 5.8 m/s2. What is the magnitude of the magnetic field?
A. 5.3 mT B. 4.9 mT C. 5.1 mT D. 4.7 mT E. 3.6 mT
The atmospheres of both Titan and Triton are mainly ________
Fill in the blank(s) with correct word
What is the momentum of a 600. nm photon?
A) 2.07 N-s B) 2.07 eV/c C) 2.07 KeV/c D) 2.07 MeV/c E) 2.07 kN-m
A solid sphere, solid cylinder, and a hollow pipe all have equal masses and radii. If the three are released simultaneously at the top of an inclined plane, and roll without slipping which will reach the bottom first?
A) sphere B) pipe C) cylinder D) they all reach bottom in the same time E) It depends on the angle of inclination.