Tripling the tension in a guitar string will change its natural frequency by what factor?
a. 3
c. 3–1/2
b. 31/2
d. 1.5
B
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Hydrogen atoms in palladium form a(n) _____________solid solution.
Fill in the blank(s) with the appropriate word(s).
At the time of the winter solstice (the start of winter) the sunlight is at a lower angle and thus is ____ than(as) in the start of summer in the northern hemisphere
a. less intense b. more intense c. the same intensity
A wire that is 1.0 mm in diameter and 3.5 m long stretches 3.5 mm when an 8.0-kg tool is hung from it
(a) What is Young's modulus for the material from this wire is made? (b) What is the effective spring constant for the stretching wire?
First Law of Thermodynamics: A 40.0-L container is divided into two equal parts by a rubber membrane. One half of the container has 1.50 moles of an ideal monatomic gas at 250 K, and the other half is a vacuum. The container is well insulated, so there is no exchange of heat with the surroundings. The membrane breaks, and eventually the gas reaches a new equilibrium condition occupying the entire volume. What is the final temperature of the gas?
A. 100 K B. 125 K C. 157 K D. 180 K E. 250 K