0 0,0 J0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 -4 Time (s) A student sets an obj
ID: 3308679 • Letter: 0
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0 0,0 J0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 -4 Time (s) A student sets an object attached to a spring into oscillatory motion and uses a position sensor to record the nt of the object from equilibrium as a function of time. A portion of the recorded data is shown in the figure above. 6, The speed of the object at time 0.65 s is most nearly equal to which of the following? (A) The value of the graph at 0.65 s (B) The slope of the line connecting the origin and the point on the graph at 0.65s slope of the line connecting the point where the graph crosses the time axis near 0.57 s and the point on the graph at 0.65 s (D) The slope of the tangent to a best-fit sinusoidal curve at 0.65 s 7. The total distance traveled by the object between 0.35 s and 0.40 s is most nearly (A) 0 cm (B) 2 cm (C) 4 cm (D) 6 cm 8. The frequency of oscillation is most nearly (A) 0.5 H2 (B) 0.7 Hz (C) 1.4 Hz (D) 2.0 H:zExplanation / Answer
In accordance with chegg policy i am answering the first question that is (6) , kindly ask other as separate question
6) answer is (d) as the given graph can be fit with a sinusoidal curve with some phase difference and hence after taking its slope at time t=0.65 we can find the velocity of the mass .
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