The centripetal acceleration of an automobile in uniform circular motion on a flat circular track is supplied by ______________
Fill in the blank(s) with correct word
friction
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What is meant by the term FTP in tube boiling?
What will be an ideal response?
Helium-neon laser light (? = 632.8 nm) is sent through a single slit of width 0.55 mm. What is the width of the central maximum on a screen 1.4 m in back of the slit? (1 nm = 10?9 m)
a. 1.6E–3 m b. 8.0E–4 m c. 3.2E–3 m d. 7.5E–5 m e. 1.5E–4 m
A 110-V hair dryer is rated at 1200 W. What current will it draw when operating from a 110-V electrical outlet?
A) 90 mA B) 1.0 A C) 5.0 A D) 11 A E) 14 A
The second law of thermodynamics leads us to conclude that
A) the total energy of the universe is constant. B) disorder in the universe is increasing with the passage of time. C) it is theoretically possible to convert heat into work with 100% efficiency. D) the average temperature of the universe is increasing with the passage of time.