A wheel (radius = 0.25 m) is mounted on a frictionless, horizontal axis. The rotational inertia of the wheel about the axis is 0.040 kg?m2. A light cord wrapped around the wheel supports a 0.50-kg object as shown in the figure. The object is released from rest. What is the magnitude of the acceleration of the 0.50-kg object?
?
?
a.
3.0 m/s2
b.
3.4 m/s2
c.
4.3 m/s2
d.
3.8 m/s2
e.
2.7 m/s2
c
Physics & Space Science
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A. 190 B. 200 C. 240 D. 210 E. 50
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We say that the Moon is gibbous when
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