For a point on a spinning disc in uniform circular motion, which of the following is not constant?
a. Its angular speed.
b. Its angular acceleration.
c. Its centripetal acceleration.
d. The magnitude of its total acceleration.
c
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CP titanium alloys are primarily solid solution strengthened by the addition of the element _________.
Fill in the blank(s) with the appropriate word(s).
The cosmic microwave background is the total of all the radio emissions from all the galaxies and quasars in the universe
Indicate whether the statement is true or false
The warmth you feel from the Sun at the beach is an example of
a. heat conduction. b. heat convection. c. heat radiation. d. thermal expansion. e. none of the above.
A 400-? resistor and a capacitor are connected in parallel across a 300-Hz source. If the amplitude of the current in the resistor is equal to that in the capacitor, what is the value of the capacitance?
a. 1.33 ?F b. 0.750 ?F c. 10.6 ?F d. 0.212 F