What is the work output of a heat engine whose thermal energy input is 400 J and whose exhaust is 300 J?
A) 200 J B) 400 J C) 700 J D) 100 J E) 300 J
D
Physics & Space Science
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The COBE satellite was designed to image the microwave cosmological background radiation and thus study the earliest stages of the universe
Indicate whether the statement is true or false
Physics & Space Science
In the metric mks system of units, the letter k stands for ______________
Fill in the blank(s) with correct word
Physics & Space Science
Work is the process by which energy is ______________
Fill in the blank(s) with correct word
Physics & Space Science
Two capacitors with capacitances of 1.5 mF and 0.25 mF, respectively, are connected in parallel. The system is connected to a 100-V battery. What electrical potential energy is stored in the 1.5-mF capacitor?
a. 1.2 × 10^-3 J c. 0.50 × 10^-3 J b. 1.9 × 10^-3 J d. 7.5 × 10^-3 J
Physics & Space Science