Acceleration: If the acceleration of an object is zero, then that object cannot be moving.
A. True
B. False
Answer: B
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Simple Harmonic Motion: The equation of motion of a particle undergoing simple harmonic motion in the y direction is y = (2.0 cm) sin(0.60 s-1 t). At time t = 0.60 s determine the particle's (a) position, (b) velocity, and (c) acceleration.
What will be an ideal response?
A 4.0-M? resistor is connected in series with a 0.50-?F capacitor. The capacitor is initially uncharged. The RC combination is charged by a 9.0-V battery. What is the change in voltage between t = RC and t = 3RC?
A) 15 V B) 11 V C) 7.6 V D) 5.7 V E) 2.9 V
Describe the distance and composition of the Alpha Centauri system
What will be an ideal response?
Is the "sports wave" that crowds perform at sports arenas really a "wave" as physicists define the term?
A) Yes, because a disturbance does move from one point to another without a corresponding transfer of matter, and this is what we mean by a "wave" in physics. B) Yes, because energy does move through the crowd from one point to another, and this is what we mean by a "wave" in physics. C) No, because there is no real physical connection between the different parts of the medium. D) No, because spectators have free will--that is, they are not really forced to stand up and participate. E) No, for both the reasons stated in answers C and D.