The momentum of light
A. Is not in this chapter
B. Is only a mathematical trick
C. Cannot be measured
D. Is not conserved
Answer: A. Is not in this chapter
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In an adiabatic free expansion
a. no heat is transferred between a system and its surroundings. b. the pressure remains constant. c. the temperature remains constant. d. the volume remains constant. e. the process is reversible.
The phenomenon of beats is a result of sound
A) refraction. B) reflection. C) interference. D) all of the above E) none of the above
What is the result of 1.58 ÷ 3.793?
A) 4.1656 × 10-1 B) 4.166 × 10-1 C) 4.17 × 10-1 D) 4.2 × 10-1 E) 4 × 10-1
A 7.00-kg mass is placed on a 28.0° incline and friction keeps it from sliding. The coefficient of static friction in this case is 0.574, and the coefficient of sliding friction is 0.528 . What is the frictional force in this situation?
a. 32.2 N b. 60.6 N c. 32.0 N d. 34.8 N e. 3.29 N