MULTIPLE CHOICE. Choose the one alternative that best completes the statement or

Question

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the questions. A simple pendulum is known to have a period of oscillation. T = 1,55 s. Student A uses a digital stopwatch to measure the total time for 5 oscillations and calculates an average period T = 1.25 s. Student B uses an analog wristwatch and the same procedure to calculate an average period for the 5 oscillations and finds T = 1.6 s. Which period is more accurate, and why? A) Student A's period of 1.25 s because a digital stop watch is more reliable B) Student A's period of 1.25 s because the stopwatch can measure to 0.01 s. C) Student B's period of 1.6 because it is closer to the known period than A's value. D) There is not enough information to answer this question

Explanation / Answer

D

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