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Identical cellos are being tested. One is producing a fundamental frequency of 290 Hz on a string that is 1.03 m long and has a mass of 100.0 g. On the second cello the same string is fingered to reduce the length that can vibrate. If the beat frequency produced by these two strings is 4.0 Hz, what is the vibrating length of the second string? (Express your answer to the nearest hundredth of a meter.)
A small object, which has a charge q = 7.4 µC and mass m = 9.85 10-5 kg, is placed in a constant electric field. Determine the magnitude of the electric field
A 6 uF capacitor is initially charged to 100V and then connected across a 600 ohm resistor. what is the initial charge on the capacitor
The gas inside of a flexible container at 298.2 K has apressure of 0.25 atm. The size of the container starts out holding3 L of gas. When it is heated to 303.2 K its pressure is alsoincreases to 0.27 atm. What happened to the volume of the container?
a 14.0kg bucket is lowered vertically by a rope in which there is 169 n of tension at a given instant. what is the
A computer to be utilized in a satellite must be able to withstand accelerations of up to 26 times the acceleration due to gravity. In a test to see if it meets this specification, the computer is bolted to a frame that is vibrated back and forth in ..
A 260 wooden raft floats on a lake. When an 80 man stands on the raft, it sinks 5.0 deeper into the water. When he steps off, the raft vibrates for a while. What is the frequency of vibration.
The volume flow rate in an artery supplying the brain is 4.20 10-6 m3/s. Find the average blood speed at a constriction in the artery if the constriction reduces the radius by a factor of two
an accelerator increases the total energy of electrons uniformly to 10 gev over a 3000 m path. that means that at 30 m.
a rock is sliding alone a horizontal surface with a veolcity of 8.5 ms . it eventually stops due to friction. what is the power produced by the fricition
The radius of curvature of a mirror is 12cm. A diamond ring isreplaced in front of the mirror. Find the object distance of the ring
In frame S, event B occurs 2 microseconds after event A and event A occurs at the origion whereas event B on the x-axis at x=3.3km. How fast must an observer be traveling along the +x axis
The quantity of charge q (in coulombs) that has passed through a surface of area 2.10 cm2 varies with time according to equation q = 7t3 + 5t + 6, where t is in seconds.
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