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A violin string which is 30.4 cm long is tuned so that its pitch isconcert A which is 440Hz. I can effectively shorten the string byplacing my finger on it and pressing it down. How far from the endof the string should i put my finger if i want the pitch of thenote to be 501 Hz? (give the distance from the end where the woodentuning pegs are located) Assume the tension remains the same.
imagine a very heavy cube of pure gold that is 1.40 m on a side. approximate the atoms in this cube as little cubes.
An unstable particle with a mass equal to 3.34 multiplied by 10-27 kg is initially at rest. Find the masses of the fragments
The biochemistry that takes place inside cells depends on various elements, such as sodium, potassium, and calcium, that are dissolved in water as ions, What is the resistance of the ion channel
You travel from "point" Columbia to St. Louis in a car moving at a constant speed of 60 km/h. What is your average speed for the entire trip
If you observe light reflected from Saturn's rings, youshould see a redshift at one edge of the rings and a blueshift atthe other edge. what is the orbital velocity of particles at the outer edge of the rings
In a hydraulic lift the radii of the pistons are 1.25 cm and 10.0 cm. A vehicle weighing 16.5 kN is going to be lifted by the force of the bigger piston. how high is the vehicle lifted
A long, rigid conductor, lying along the x axis, carries a current of 4.0 A in the negative direction. A magnetic field B is present, given by B = 2.5i + 8.5x2 j , with x in meters and B in mT. Calculate the k-component of the force on the 2 m segmen..
Consider diving 30.0m below the surface of the ocean (density 1.03 grams/cc). what is the gauge pressure at that depth
Determine the biologically equivalent dose received by a patient from a chest Xray. The X-ray beam is turned on for 0.1 s, the intensity is 1W/m2, What biological effect is this radiation likely to have
A parallel plate capacitor has a capacitance of 8.5 µF when filled with a dielectric. What is the dielectric constant of the dielectric
A boy throws directly downward an ideally elastic ball from the height 4.80m. The ball is being bounced from the floor reaching certain (unknown) height. Ignore air resistance:
A 85-tonne (1 t = 1000 kg) spacecraft moving in the + x-direction at 0.38m/s docks with a 70-tonne craft moving in the -x-direction at 0.62m/s
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