Aguitar string is fixed at both ends. if you tighten it to increase its tension, the frequencies of its normal modes will increase but its wavelengths will not be affected.
a. true
b. false

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?

How do you know how many valence electrons an atom has?