Oxygen condenses into a liquid at approximately 90 K. What temperature, in degrees Fahrenheit, does this correspond to?
A) -193°F
B) -217°F
C) -265°F
D) -297°F
D
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A problem may be solved more easily when alternative representations are used. The best strategy is to formulate representations in an order that assists in understanding the physical principles involved. Of the orders given below, the one that will work best most often is
A. pictorial representation, mathematical representation, tabular representation, mental representation. B. pictorial representation, mental representation, mathematical representation, tabular representation. C. mathematical representation, pictorial representation, tabular representation, mental representation. D. mathematical representation, tabular representation, mental representation, pictorial representation. E. mental representation, pictorial representation, tabular representation, mathematical representation.
What is the total energy stored by C3 when C1 = 50 ?F, C2 = 30 ?F, C3 = 36 ?F, C4 = 12 ?F, and V0 = 30 V?
A. 6.3 mJ B. 25 mJ C. 57 mJ D. 1.6 mJ E. 14 mJ
If two slide projectors are connected in parallel across the same 120 volt source, the current drawn from the source is __________
Fill in the blank(s) with correct word
Which object has the most kinetic energy?
A) a 4-ton truck moving 50 km/hr B) a 3-ton truck moving 70 km/hr C) a 2-ton truck moving 90 km/hr D) a 1-ton truck moving 110 km/hr E) A, B, C, and D all have the same kinetic energy.