A string is stretched and fixed at both ends, 200 cm apart. If the density of the string is 0.015 g/cm, and its tension is 600 N, what is the fundamental frequency?
a. 316 Hz
b. 632 Hz
c. 158 Hz
d. 215 Hz
e. 79 Hz
c
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When an object is dropped from a tower, what is the effect of the air resistance as it falls?
a. It does positive work. c. It increases the object's potential energy. b. It increases the object's kinetic energy. d. None of the above choices are valid.
You note that a particular star is directly overhead. It will be directly overhead again in:
A) 1 hour. B) 12 hours. C) 23 hours 56 minutes. D) 24 hours. E) 24 hours 4 minutes.
The Sun's lowest position in the sky occurs at the ________
Fill in the blank(s) with correct word
Nuclear Reactions: Determine the missing product X in the following nuclear reaction: B + neutron ? X + alpha particle
Fill in the blank(s) with the appropriate word(s).