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The clarinet is well modeled as a cylindrical pipe that is open at one end and closed at the other. Find the wavelength and frequency of the third normal mode of vibration of a clarinet's air column with effective length of 39.9 cm. Take 346 m/s for the speed of sound inside the instrument.
A sled and rider with a combined weight of 67 kg are at rest on the top of a hill 26 m high. What is their total energy at the top of the hill
Two physical pendulums ( not simple pendulum) are made from sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except one is made of wood (mass = 0.17 kg )and the other of metal (mass =..
A 6.70 -uC particle moves through a region of space where an electric field of magnitude 1300 N/C points in the positive x direction, find the components of the particle's velocity
Consider a map oriented so that the x axis runs east-west (with east being the "positive" direction), find the direction of the total movement of the driver
A 1.00 cm object is 60.0 cm in front of a diverging lens that has a -30.0 cm focal length. Find the image position and height. Is the image real or virtual? Is the image upright or inverted
A 2.5kg mass is attached to a spring and placed on the horizontal, smooth surface. A horizontal force of 18.4 N is necessary to hold the mass at rest while it is pulled 0.210 m from its equilibrium position.
Suppose you throw a rock from an initial height h0 at a speed v0 and angle ? from the horizontal. Neglect drag or friction, Determine the coordinate system and draw a diagram of the trajectory. Draw the free-body diagram and find the net force
suppose a flat universe contained a substance with an equation of state of p = -(1/5)*pc^2 where p is the mass density and c is the speed of light. How does the Hubble parameter change with time
A 27.00 kg block is pushed up a frictionless inclined plane that makes an angle of ? = 23 o with the horizontal direction. What force is needed to move the block
A 0.17- kg block on a wooden table is given a sharp blow with a hammer. The block then slides across the table to a stop. The coefficient of friction between the block and table is 0.25. How far does the block go
A 73.0 kg base runner begins his slide into second base when he is moving at a speed of 4.4 m/s. How much mechanical energy is lost due to friction acting on the runner
A sealed tank containing seawater to a height of 11.1m also contains air above the water at a gauge pressure of 2.85atm. How fast is the water moving
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