A horizontal force of magnitude 6.5 N is exerted tangentially on a Frisbee of mass 32 grams and radius 14.3 cm. Assuming the Frisbee, a uniform disk, is originally at rest and the force is exerted for 0.08 s, determine the angular velocity of rotation about the central axis when the Frisbee is released
227 rad/s
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Which of the following is true of the star clusters in the Milky Way?
A) Open clusters are concentrated along the disk of the Milky Way. B) Globular clusters are concentrated along the disk of the Milky Way. C) Open clusters are more common toward the constellation Sagittarius. D) Globular clusters are more common toward the constellation Aquarius.
Why are Saturn's rings so thin?
A) They are attached to Saturn's very thin equator. B) The "gap" moons shepherd the particles and maintain its thin profile. C) Any particle in the ring with an orbital tilt would collide with other ring particles. D) Solar radiation pressure keeps particles pressed into the rings. E) They formed from a flat sheet of material that broke apart.
What is the ecliptic?
A) the path the Sun appears to trace around the celestial sphere each year B) the Sun's daily path from east to west in our sky C) the path traced by the Moon's shadow on Earth during a solar eclipse D) a half-circle extending from your horizon due north, through your zenith, to your horizon due south
6.02 × 10^23 is known as ______________
Fill in the blank(s) with correct word