How does the declination of the Sun vary over 1 year?
The declination of the Sun varies from 23.5°N to 23.5°S back to 23.5°N during 1
year. The starting point for the answer is optional, but you must start at 23.5° or less.
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The highest tides are called ______________ tides
Fill in the blank(s) with correct word
Force on a Wire: A vertical wire carries a current straight up in a region where the magnetic field vector points toward the north. What is the direction of the magnetic force on this wire?
A. downward B. toward the north C. toward the east D. toward the west E. upward F. toward the south
The Oort cloud was probably formed by planetesimals that were tossed to the outer parts of the Solar System by the planets.
Answer the following statement true (T) or false (F)
An ice skater has a moment of inertia of 5.0 kg?m2 when her arms are outstretched. At this time she is spinning at 3.0 revolutions per second (rps)
If she pulls in her arms and decreases her moment of inertia to 2.0 kg?m2, how fast will she be spinning? A) 2.0 rps B) 3.3 rps C) 7.5 rps D) 8.4 rps E) 10 rps