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When mass M is tied to the bottom of a long, thin wire suspended from the ceiling, the wire's second-harmonic frequency is 150Hz . Adding an additional 1.5kg to the hanging mass increases the second-harmonic frequency to 270Hz .
What is M?
an olympic weightlifter snatches 100 kg. In a snatch the barbell is moved from a stationary position on the floor to a stationary poition over the athlete's head. determine the weightlifter's average power output
An infinite line of charge produces a field of magnitude 3.4 × 104 N/C at a distance of 2.5 m. Calculate the linear charge density
A gas is compressed at a constant pressure of 0.800 atm from9.00 L to 2.00 L. In the process,400 J of energy leaves the gas by heat. What would be the change in its internal energy
A 6.61 mC particle moves through a region of space where an electric field of magnitude 1260 N/C points in the positive x direction, calculate the magnitude of the particle's velocity
The suspended 2.82 kg mass on the right is moving up, the 2.2 kg mass slides down the ramp, and the suspended 8.1 kg mass on the left is moving down. There is friction between block and ramp. What is the acceleration of a three block system.
An inspector wants a mirror that produces an upright image with magnification of 7.5 when it is located 14.0 mm from machine part. What kind of mirror would do this job
Suppose that an insulating container of negligible mass contains 0.12 kg of water at a temperature of 4 degrees C. what is the final mass (in kg) of the water in the system
A radiator with a constant temperature of 150o C has a surface area of 5.00 m2. Calculate its rate of heat loss by radiation to the environment
Draw a motion diagram for the train. Assume that the train is moving toward the right and starts to slow down at t = 0. The separation of each dot represents an elapsed time of one second.
It rolls at a steady speed for 1.9 s, then one wheel begins to stick. The train comes to a stop 6.0 m from its starting point. Illustrate what is the train's acceleration after its wheel begins to stick?
An electron enters a parallel plate capacitor with a speed of 5.45e+06 m/s. An electric field in the capacitor has deflected the electron downward by a distance of 0.618cm after traveling a horizontal distance of 2.25cm. Find the magnitude of the ele..
An ?-particle has a charge of +2e and a mass of 6.64 ? 10-27 kg, What is the speed of the ?-particle and What is the radius of its circular path
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