The lowest A on a piano has a frequency of 27.5 Hz. If the tension in the 2.00-m string is 308 N, and one-half wavelength occupies the string, what is the mass of the wire?
a. 0.025 kg
b. 0.049 kg
c. 0.051 kg
d. 0.081 kg
e. 0.037 kg
c
Physics & Space Science
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As a projectile moves its speed stays constant while its direction changes
a. True b. False Indicate whether the statement is true or false
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What is the equivalent resistance between points a and b when R = 13 ??
A. 29 ? B. 23 ? C. 26 ? D. 20 ? E. 4.6 ?
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A light ray bends when it goes from one medium to another because of __________
Fill in the blank(s) with correct word
Physics & Space Science
An object is moving with constant non-zero acceleration on the +x axis. The position versus time graph of this object is
A) a horizontal straight line. B) a vertical straight line. C) a straight line making an angle with the time axis. D) a parabolic curve. E) a hyperbolic curve.
Physics & Space Science