M-87, the giant elliptical at the heart of the Virgo Supercluster, shows a(n) ________ extending outward from its core, moving at relativistic velocities
Fill in the blank(s) with correct word
jet
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Uniform Circular Motion: A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose radius is 100 m. The coefficient of static friction between the tires and the road is 0.35. At what speed will the car begin to skid sideways?
A. 9.3 m/s B. 24 m/s C. 34 m/s D. 35 m/s E. 19 m/s
A camera gives a correct exposure at f/4 with a shutter speed of 1/128 s. In order to increase the depth of field, the f-stop is changed to f/8. What shutter speed will now give a correct exposure if lighting conditions do not change?
1.1/512 s 2.1/256 s 3.1/32 s 4.1/16 s
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 . What is her angular displacement (in rad) in the 16-minute period shown in the graph?
a.
0
b.
16?
c.
32?
d.
40?
e.
64?
Which expression is dimensionally consistent with an expression that would yield a value for time-1?(v is velocity, x is distance, and t is time)
a. v/x c. x/t b. v2/x d. v2t