Fluid Flow: Fluid flows at 2.0 m/s through a pipe of diameter 3.0 cm. What is the volume flow rate of the fluid?
A. 1.4 × 10-3 m3/s
B. 5.7 × 10-3 m3/s
C. 14 m3/s
D. 57 m3/s
Answer: A
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An engine takes in 150 J energy from a 400 K thermal source. If the engine discharges energy into a thermal reservoir at 150K, then what is the maximum amount of work one can get out of the engine?
A. 93.8 J B. 84.2 J C. 28.5 J D. 168 J
Besides Earth, which of the terrestrial planets and/or their satellites show(s) evidence for the possible existence of liquid water flowing on its surface in the past?
What will be an ideal response?
How many stars are there in our Solar System?
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