If an object's acceleration is positive, its speed must be increasing.
a. True
b. False
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[Ques. 2] An object moving in a circle undergoes centripetal acceleration.
a. True
b. False
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[Ques. 3] The slope of a velocity vs. time graph is the acceleration.
a. True
b. False
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[Ques. 4] The slope of a distance vs. time graph is the acceleration.
a. True
b. False
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[Ques. 5] A body at the end of a spring oscillates up and down ten times in five seconds. The period of oscillation is 2 s.
a. True
b. False
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[Ques. 6] Experimenting is part of the scientific method.
a. True
b. False
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[Ques. 7] The maximum possible speed in nature is the speed of light.
a. True
b. False
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[Ques. 8] The period of oscillation for a signal having a frequency of 60 Hz is 60 seconds.
a. True
b. False
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[Ques. 9] The time for one complete cycle of a periodic process to take place is called the period.
a. True
b. False
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[Ques. 10] The number of cycles of a periodic process that occur per unit time is called the period.
a. True
b. False
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