Graphical Analysis: The graph in the figure shows the position of a particle as it travels along the x-axis. What is the magnitude of the average velocity of the particle between t = 1.0 s and t = 4.0 s?
A. 0.25 m/s
B. 0.50 m/s
C. 0.67 m/s
D. 1.0 m/s
E. 1.3 m/s
Answer: C
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Answer the following statement true (T) or false (F)
Uniform Circular Motion: A point on a wheel of radius 40 cm that is rotating at a constant 5.0 revolutions per second is located 0.20 m from the axis of rotation. What is the acceleration of that point due to the spin of the wheel?
A. 0.050 m/s2 B. 1.4 m/s2 C. 48 m/s2 D. 200 m/s2 E. 0.00 m/s2
A nonprismatic cantilever bar has an internal cylindrical hole of diameter d/2 from 0 to x, so the net area of the cross section for Segment 1 is (3/4)A. Load P is applied at x, and load 2P/2 is applied at x 5 L. Assume that E is constant. The length of the hollow segment, x, required to obtain axial displacement ? 5 PL/EA at the free end is:
(A) x 5 L/5
(B) x 5 L/4
(C) x 5 L/3
(D) x 5 3L/5
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