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A steel piano wire vibrates in its first harmonic mode with a fundamental frequency of f1 = 410 [Hz].
How many harmonics can be heard by a person who is capable of hearing frequencies up to 20000 [Hz] ?
The ball curves because it is spinning at an average angular velocity of 370 rev/min (assumed constant) on its way to the catcher's mitt. Illustrate what is the angular displacement of the baseball (in radians) as it travels from the pitcher to t..
While an elevator of mass 824 kg moves downward, the tension in the supporting cable is a constant 7736 N, What is the elevator's speed at t = 4.10 s
To test the deflection of the uniform 200-lb beam the 121-lb boy exerts a pull of 36 lb on the rope rigged. Calculate the force supported by the pin at the hinge O.
questiona capacitor is constructed from 2 square metallic plates of sidersquos scripted l and separation d. charges q
Mary observes damped oscillations of a glider on air track. she observed that the amplitude decreased to 30% of its original value after 12s
A piece of copper wire has a resistance per unit length of 5.65 10-3 ?/m. The wire is wound into a thin, Find the magnetic field strength at the center of the coil
A large, cold (1.20 C) block of iron is immersed in a tub of hot (99.7C) water. Calculate the change in entropy of the system this time
A home (volume = 1000 m3) built in 1946 has urea formaldehyde insulation, which outgases into the home at a rate of 5 ng/hr, What is the steady state concentration (C) of formaldehyde in the home
A 0.350kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.850m/s when it makes a head-on collision with a stationary 0.150kg glider. Find the Final Kinetic Energy of first glider
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. find the speed of a satellite in a geosynchronous orbit
A man pushes on a piano with mass 180 {rm kg} so that it slides at constant velocity down a ramp that is inclined at 20.0^circ above horizontal floor. Overlook any friction acting on the piano.
A basketball player jumps straight up and then lands 0.49 seconds after leaving the ground. Find the initial velocity of the player
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