Two taut strings of identical mass and length are stretched with their ends fixed, but the tension in one string is 1.10 times greater than in the other. Waves on the string with the lower tension propagate at 35.2 m/s
The fundamental frequency of that string is 258 Hz. What is the beat frequency when each string is vibrating at its fundamental frequency?
A) 12.6 Hz B) 9.00 Hz C) 11.0 Hz D) 17.1 Hz E) 13.7 Hz
A
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A) watts B) joules C) newtons D) watts per second E) watts per square meter
Which object has larger kinetic energy: a 500-kg object moving with a speed of 40 m/s or 1000-kg object moving at 20 m/s?
A) the 500-kg object moving at 40 m/s B) Both have same kinetic energy. C) the 1000-kg object moving at 20 m/s D) Kinetic energy is independent of mass. E) Kinetic energy is independent of speed.
Which statement best describes what was called the solar neutrino problem?
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The pitch of a sound is determined by the frequency; the higher the frequency, the higher the pitch
Indicate whether the statement is true or false