An object moving in a circle undergoes
a. constant acceleration.
b. free fall.
c. centripetal acceleration.
d. linear acceleration.
e. frequency.
[Ques. 2] The slope of a velocity vs. time graph is the
a. distance. b. velocity.
c. acceleration. d. none of the above
[Ques. 3] The slope of a distance vs. time graph is the
a. distance. b. velocity.
c. acceleration. d. none of the above.
[Ques. 4] What is the period of a signal that has a frequency of 60 Hz?
a. 60 s b. 60 s1
c. 1/60 s d. not determinable
[Ques. 5] A body at the end of a spring oscillates up and down ten times in five seconds. The period of oscillation is
a. 0.5 s.
b. 2 s.
c. 5 s.
d. 10 s.
e. not determinable.
[Ques. 6] The time for one complete cycle of a periodic process to take place is called
a. amplitude.
b. frequency.
c. period.
d. wavelength.
e. speed.
[Ques. 7] The number of cycles of a periodic process that occur per unit time is called
a. amplitude.
b. frequency.
c. period.
d. wavelength.
e. speed.
[Ques. 8] In expressions like v and t, stands for
a. change in. b. triangle.
c. a constant of proportionality. d. a variable.
[Ques. 9] How many megabytes are there in a gigabyte?
a. 10 b. 1000
c. 1000000 d. none of the above
[Ques. 10] Two microcuries is
a. 200,000 Ci.
b. 0.0002 Ci.
c. 0.00002 Ci.
d. 0.000002 Ci.
e. 0.00000002 Ci.
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