A sound with ten times the amplitude of another sound is judged to be ten times as loud
Indicate whether the statement is true or false
F
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At what speed is the mass of an electron double its rest mass?
A) 0.500c B) 0.650c C) 0.707c D) 0.866c E) 0.960c
Entropy: A 700-g quantity of an ideal gas undergoes a reversible isothermal compression at a temperature of 330 K. The compression reduces the volume of the gas from 0.40 m3 too 0.15 m3. The molecular mass of the gas is 38.0 g/mol. What is the entropy change for the gas during this compression? (R = 8.31 J/mol ? K)
A. -150 J/K B. -57 J/K C. 150 J/K D. 57 J/K E. 0 J/K
When forming ionic compounds, atoms ______________ electrons
Fill in the blank(s) with correct word
A rock is thrown at some angle above the horizontal with a certain velocity. It reaches its highest point and starts falling down. What is the velocity of the rock at the highest point of its trajectory?
A) 0 B) 9.8 m/s C) It is equal to its initial horizontal velocity. D) It is equal to its initial vertical velocity. E) It is equal to its initial velocity.