Much of the charge on a conducting cube is
A) uniformly spread over its surface.
B) partly beneath the surface.
C) mutually repelled toward its corners.
D) none of the above
Answer: C
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A 25.0kg propeller may be considered a 4.5m-long rod spun about its center. What final angular velocity does the propeller have if a torque of 1100Nm is applied for 1.2s?
A. 31 rad/s B. 26 rad/s C. 7.8 rad/s D. 2.6 rad/s
In the solar neighborhood we can map the position of spiral arms by observation of objects that are determined to be relatively ________ in age
Fill in the blank(s) with correct word
Venus' rotation period is longer than its period of revolution around the Sun
Indicate whether the statement is true or false
An object is held at a distance of 18 cm from a convex mirror creating an image that is 1/6 the object size. What is the focal length of the mirror?
a. -3.6 cm c. -6.0 cm b. -18 cm d. -9.0 cm