The angular speed of the hour hand of a clock, in rad/s, is
A.
.B.
.C.
.D.
E.
Answer: B
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What is the angular momentum of the Moon about the Earth? The mass of the Moon is 7.35 × 10^22 kg, the center-to-center separation of the Earth and the Moon is 3.84 × 10^5 km, and the orbital period of the Moon is 27.3 days. Ignore the small offset of the center of mass of the system from the center of the Earth in your calculation
A ________ is a place where the current rules fall apart in science
Fill in the blank(s) with correct word
A 4.50-kg wheel that is 34.5 cm in diameter rotates through an angle of 13.8 rad as it slows down uniformly from 22.0 rad/s to 13.5 rad/s. What is the magnitude of the angular acceleration of the wheel?
A) 0.616 rad/s2 B) 5.45 rad/s2 C) 111 rad/s2 D) 22.5 rad/s2 E) 10.9 rad/s2
A particle with an integral spin is a
a. boson. b. lepton. c. fermion. d. hadron. e. muon.