A CD makes one complete revolution every tenth of a second. The angular velocity of point 4 is:
A. the same as for pt 1.
B. twice that of pt 2.
C. half that of pt 2.
D. 1/4 that of pt 1.
E. four times that of pt 1.
A. the same as for pt 1.
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A galaxy that was once a quasar is likely to:
A) have burned all its fuel by now and be dark. B) now be a dwarf irregular. C) have a black hole at its nucleus. D) still be a quasar. E) be less than 5 billion years old.
Accretion occurred sooner in the inner part of the solar system than it did in the outer regions
Indicate whether the statement is true or false
A solar eclipse occurs only when the Moon is new
Indicate whether the statement is true or false
What is the maximum number of 100-W lightbulbs you can connect in parallel in a 120-V home circuit without tripping the 20-A circuit breaker?
What will be an ideal response?