The supernova that created the Crab nebula and its pulsar was seen on Earth in the year
A) 1604 BC. B) 1054 BC. C) 1054 AD. D) 1592 AD. E) 1604 AD.
C
Physics & Space Science
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Work: A person carries a 25.0-N rock through the path shown in the figure, starting at point A and ending at point B. The total time from A to B is 1.50 min. How much work did gravity do on the rock between A and B?
A. 625 J B. 20.0 J C. 275 J D. 75 J E. 0 J
Physics & Space Science
The typical size of a comet's nucleus is ________.
A. 10 km B. 100 km C. 1 AU D. 1,000 km E. 10 m
Physics & Space Science
What current flows in a 60. mH inductor when 12. V AC at a frequency of 20. kHz is applied to it?
What will be an ideal response?
Physics & Space Science
Increasing the voltage across the two plates of a capacitor will produce what effect on the capacitor?
a. increase charge b. decrease charge c. increase capacitance d. decrease capacitance
Physics & Space Science