The Sun and the Moon are both on an observer's overhead meridian during what phase of the Moon?
New moon
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A proton is captured by an oxygen-16 atom which in turn emits a deuteron. What is the element and mass number of the product isotope?
a. nitrogen-15 b. oxygen-17 c. oxygen-15 d. fluorine-15
A tube with a 3.0-mm radius has ions flowing through it along its length. To determine the rate at which the charge is being moved through the tube, the magnetic field just outside the tube is measured and found to be 44.0 × 10-4 T
If the only contributor to the magnetic field is the moving ions, and if the walls of the container are very thin and do not screen magnetism, what is the magnitude of the current flowing through the tube? (?0 = 4? × 10-7 T ? m/A) A) 66 A B) 132 A C) 829 A D) 415 A
What is the magnitude of the sum of the forces that is required to accelerate a 1200-kg car uniformly from 0 m/s to 27.0 m/s in 10.0 s?
A) 444 N B) 1620 N C) 3240 N D) 4360 N E) 11800 N
Which of the following statements is not true of glaciers?
a. They cause little erosion. b. They are made of ice. c. They form when more snow falls than melts. d. They flow.