The rigid body shown rotates about an axis through its center of mass and perpendicular to the paper. If M = 2.0 kg and L = 80 cm, what is the kinetic energy of this object when its angular speed about this axis is equal to 5.0 rad/s? Neglect the mass of the connecting rod and treat the masses as particles
a.
18 J
b.
15 J
c.
12 J
d.
23 J
e.
26 J
c
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A total lunar eclipse is visible only from the path of totality
Indicate whether the statement is true or false
Exhibit 12-1
The figure below shows a graph of angular velocity versus time for a woman bicycling around a circular track.
?
?
Use this exhibit to answer the following question(s).
Refer to . How many revolutions does she complete in the 16-minute period?
a.
8
b.
12
c.
16
d.
20
e.
40
Which of the following statements can be true for a resistor connected in a simple series circuit to an operating AC generator?
1. Pav = 0 and iave = 0 2. Pav = 0 and iave > 0 3. Pav > 0 and iave = 0 4. Pav > 0 and iave > 0
There is a greatest movement of plasma in the
A) convection zone. B) radiation zone. C) core. D) All of the above.