5.00 ?F, 10.0 ?F, and 50.0 ?F capacitors are connected in series across a 12.0-V battery. (a) How much charge is stored in the 5.00-?F capacitor? (b) What is the potential difference across the 10.0-?F capacitor?
What will be an ideal response?
(a) 37.5 μC
(b) 3.75 V
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A rocket is launched from the origin with an acceleration of 20.0 
at an angle of 30.0 degrees above the horizontal. The launch acceleration lasts for 2.00 seconds at which time the fuel is exhausted. The rocket then falls with an acceleration of 9.80
downward. What is the total time of flight?
A. 6.02 s B. 6.91 s C. 7.23 s D. 7.44 s E. 8.02 s
In a telescopic observation of a field of stars, you see an irregularly-shaped dark patch. This is most likely
A. an area where there are no stars. B. a dark nebula. C. a black hole. D. the dusty center of a globular cluster.
In essence, most of the extrasolar planets discovered to date have been found by
A) closely examining very high-resolution photographs of other star systems. B) observing a star carefully enough to notice that it is experiencing a gravitational tug caused by an unseen planet. C) identifying spectral lines that look like what we expect to see from a planet rather than a star. D) observing mini-eclipses of a star as an unseen planet passes in front of it.
A 3. kg ball of putty moving at 1 m/s collides and sticks to a 2 kg ball initially at rest. The putty and ball then move with a momentum of
A) 1 N-s. B) 2 N-s. C) 4 N-s. D) 3 N-s. E) 0 N-s.