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A wave pulse travels down a slinky. The mass of the slinky is m = 0.85 kg and is initially stretched to a length L = 6.5 m. The wave pulse has an amplitude of A = 0.26 m and takes t = 0.432 s to travel down the stretched length of the slinky. The frequency of the wave pulse is f = 0.49 Hz.
What is the speed of the wave pulse?
What is the tension in the slinky? What is the average speed of a piece of the slinky as a complete wave pulse passes? What is the wavelength of the wave pulse?
Now the slinky is stretched to twice its length (but the total mass does not change). What is the new tension in the slinky? (assume the slinky acts as a spring that obeys Hooke's Law) What is the new mass density of the slinky?
A man pushes on a piano with mass 200 {rm kg} so that it slides at constant velocity down a ramp that is inclined at 18.3^circ above the horizontal floor. Ignore any friction acting on the piano.
A current of 18.0 mA is maintained in a single circular loop of 3.70 m circumference. Calculate the magnetic moment of the loop.
There is a uniform magnetic field present, given by B=0.003i + 0.004j + 0.002k, where i, j, k are the unit vectors along the cartesian coordinate axes') in units of Tesla. Compute the y-component of the magnetic force acting on a segment of wire ..
You are traveling in a car toward a hill at a speed of 36.4 mph. The car's horn emits sound waves of frequency 231 Hz, Determine the frequency with which the waves strike the hill
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A 1.78 m long air column is open at both ends. The frequency of a certain harmonic is 828 Hz, and the frequency of the next-higher harmonic is 920 Hz. find out the speed of sound in the air column.
You are traveling on an airplane, The velocity of the plane with respect to the air is 190 m/s due east, What is the speed of the plane with respect to the ground
An RL circuit with L = 1.00 H and an RC circuit with C = 4.00 µF have the same time constant. What is this common time constant
Assume that the rod is held at rest horizontally and then released. (Throughout the remainder of this problem, your answer may include the symbol, moment of inertia of the assembly, whether or not you have answered the first part correctly.)
The moving non-conducting belt of a Van de Graaff generator carries 10 µC of charge up to the metal sphere each second, What minimum power must be supplied to the generator to sustain its operation
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