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Compute the velocity of sound at 70 Fo in the following media:
a) Air
b) Hydrogen
c) Water vapor.
A small object with a mass of one gram carries a charge of 1µC and is suspended by a thread between the vertical plates of a parallel-plate capacitor submitted to a voltage of 1 kilo volts
Consider the record throws for the javelin, men 98.48 m (Zelezny, 1996, 0.800 kg) and women 72.28 m (Spotakova, 2008, 0.600 kg); discus, men 74.08 m (Schult, 1986, 2.00 kg) and women 76.80 m (Rensch, 1989, 1.00 kg); and shotput, men 23.12 m (Barne..
the fermi level lies 0.520 ev above the valence band in a sample of silicon at 300k. this should be a p type material.
An oscillating LCcircuit consisting of a 1.2 nF capacitor and a 3.2 mH coilhas a maximum voltage of 3.7 V. evaluate the maximum current through the circuit
A 2 kg mass dropped 2.0 m above a spring with a spring constant of 40.0 N/m. How much does the spring compress
A bullet with mass 4.88 g is fired horizontally into a 2.106-kg block attached to a horizontal spring. Find the initial speed of the bullet-block system
The maximum speed of a 4.0- mass attached to a spring is 0.66 , and the maximum force exerted on the mass is 11 . What is the amplitude of motion for this mass? What is the force constant of the spring? What is the frequency of this system?
The power stroke of the myosin protein on an actin filament that generates tension in a muscle appears to be a 10 nm displacement generated by about a 1 pN force. How much work is done by one myosin in a single power stroke
A 220g block hangs from a spring with spring constant 14N/m. At t=0s the block is 27cm below the equilibrium point and moving upward with a speed of 104cm/s. What is the block's oscillation frequency? What is the block's distance from equilibrium at ..
A double slit illuminated with two different colors of wavelengths 694 and 425 forms a two-colored diffraction pattern on a screen located away. What order maximum for occurs near from zeroth order
A clay ball with a mass of .35 kg has an initial speed of 4.2 m/s. It strikes a 3.5 kg clay ball at rest and the two balls stick together. What is the first balls initial velocity
a 5 m plank of mass 100 kilograms rests on top of a building with 2 meters of plank extended over the edge of the
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