At t = 0 the switch S is closed with the capacitor uncharged. If C = 50 ?F, ? = 20 V, and R = 4.0 k?, what is the charge on the capacitor when I = 2.0 mA?
a.
360 ?C
b.
480 ?C
c.
240 ?C
d.
600 ?C
e.
400 ?C
d
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If the length of the very light supporting cables for the swing is how long does it take for each complete back-and-forth swing? Assume that the child and swing set are very small compared to the length of the cables. A) 4.4 s B) 4.8 s C) 5.3 s D) 5.7 s
The two most common igneous rocks are basalt and granite. Basalt is commonly found ________, and granite is found ________
A) on the ocean floor; on the continents B) on both the ocean floor and continental land; only on the continents C) on the continents; on the ocean floor D) on the ocean floor; on both the ocean floor and on continental land
A scientist is investigating the results of varying temperature on the growth rate of a bacterial culture. In this experiment, temperature is the:
a. dependent variable b. independent variable c. control d. model e. hypothesis
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Fill in the blank(s) with correct word