How many times a vibration occurs in one second is called _____.
A) frequency
B) hertz
C) both "frequency" and "hertz"
D) neither "frequency" nor "hertz"
Correct Answer:
Verified
Q23: _ is a force that does work
Q25: Which of the following objects contain heat?
A)
Q26: Which of the following laws pertains to
Q28: Forces can be _.
A) turning
B) balanced
C) unbalanced
D)
Q31: Motion is being discussed. Technician A says
Q32: Technician A says both liquids and gases
Q32: The _ of an engine expresses how
Q34: The coefficient of drag (Cd)is _.
A)the total
Q38: When two or more forces are applied
Q39: A galvanized part is made of iron
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