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The E string on an electric bass guitar has a length of 0.606 m and, when producing the E note, vibrates at a fundamental frequency of 41.2 Hz. Players sometimes add to their instruments a device called a "D-tuner". This device allows the E string to be used to produce the note D, which has a fundamental frequency of 36.7 Hz. The D-tuner works by extensing the length of the string, keeping all other factors the same. By how much does a D-tuner extend the length of the E string?
The place you get your hair cut has two nearly parallel mirrors 7.00 apart. As you sit between these mirrors in the chair, your head is 2.50 from the mirror in front of you. How far away does the back of your head appear to be
the current in a 120 v reading lamp is 3.0 a part a if the cost of electrical energy is 0.075 per kilowatt-hour how
A pressure as low as P = 8 ? 10-11 Pa has been obtained. Suppose a chamber contains helium at this pressure and at room temperature, Estimate the mean free path
assume all temperatures to be exact and neglect significant figures for small changes in dimension. what volume is
At a recent rock concert, a dB meter registered 110 dB when placed 2.00 m in front of a loudspeaker on the stage. What was the power output of the speaker
an rlc series circuit is in resonance at 75hz . if you halve both the inductance and capacitance whats the new
An AC series circuit has 12.0 ? resistance, 15.00 ? inductive reactance and 10.00 ? capacitive reactance. obtain the power output
A ball is dropped from a high building. Using the approximate value of g = 10 m/s2, find the change in velocity between the fourth and fifth second of its flight
Block A has a mass of 2 kg and rests on a smooth table. What is the acceleration in m/s2 of the two blocks
Type A nerve fibers in humans can conduct nerve impulses at speeds up to 140m/s, How fast are the nerve impulses in miles per hour
A wire 4 m long and with a mass of 0.5 g is under a tension of 112N. It is made out of the material aluminum. (a)What is the speed of transverse waves in the wire
The cofficient of friction between the 3 kg blockand surface in figure is0.4the system starts from rest. what is the speed of the 5kg when it has fallen 1.5m?
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