Suppose a graph of distance traveled by a body versus time is constructed. The slope of the graph at any point may be identified with
A. instantaneous velocity.
B. average speed.
C. instantaneous acceleration.
D. average acceleration.
Answer: A
Physics & Space Science
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Multiple the equation for linear momentum by radial distance r and you have
A) rotational kinetic energy. B) angular momentum. C) rotational inertia.
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Electromagnetic waves transmit electromagnetic energy
Indicate whether the statement is true or false
Physics & Space Science
A chemical change involves the formation or breaking of
A) an atom. B) the phase of the material. C) a chemical bond. D) all of the above
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A 0.500-H inductor is connected into a 110 V-rms 60.0-Hz voltage source, with an ammeter in series. What is the rms value of the current through the inductor?
a. 0.189 A (rms) b. 0.292 A (rms) c. 0.584 A (rms) d. 1.19 A (rms) e. 0.093 A (rms)
Physics & Space Science