Say that our Moon was Full on May 1, 2007. When was the next First Quarter phaseafter that Full Moon?
a) May 15
b) June 1
c) May 22
d) May 8
e) May 4
Ans: c) May 22
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Electrons are "spin one-half," photons are
a. also spin one-half. b. spin zero. c. spin one. d. none of the above.
A wheel is spinning on an axle. The linear velocity of a point on the rim is simply the product of the radius times the rotational velocity, as long as the rotational velocity is measured in units of
A. deg/min. B. rad/s. C. deg/s. D. rev/s. E. rev/min.
A transverse wave is traveling on a string stretched along the horizontal x-axis. The equation for the vertical displacement y of the string is given by y = 0.0020 cos[?(15x - 52t)], where all quantities are in SI units
The maximum speed of a particle of the string is closest to A) 0.33 m/s. B) 0.43 m/s. C) 0.64 m/s. D) 0.53 m/s. E) 0.74 m/s.
A projectile is projected from the origin with a velocity of 25.0 m/s at an angle of 45.0 degrees above the horizontal. What is the time it takes for the projectile to hit the ground?
A. 1.95 s B. 2.22 s C. 2.75 s D. 3.04 s E. 3.61 s