Find maximim wavelength in air produced by this instrument
The notes produced by a violin range in frequency from approximetly 196 hz to 2637 hz. find the maximim wavelength in air produced by this instrument when the speed of sound in air is 334 m/s. answer in units of m.
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A 23.0 kg gold bar at 25.0°C is placed in a large, insulated 0.800 kg glass container at 15.0°C with 2.00 kg of water at 25.0°C. Calculate the final equilibrium temperature.
A resistor dissipates energy at a rate of 240 W when operating at 12 V. If the electrical energy costs 0.0090?kw *h, What is the cost of using the reistir for exactly 16 hours?
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Find (a) the total resistance of the circuit, (b) the total current flowing in the circuit, (c) the current flowing through the 120 ohm (R3) resistor.
A horizotal beam of light enters a 45-90-45 prism at the center of its long side. The emerging ray moves in a direction that is 34 degrees below the horizontal. What is the index of refraction?
A 6.1 g bullet is accelerated in a rifle barrel 86 cm long to a speed of 408 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated.
Two small spheres spaced 20cm apart have equal charge. How many excess electrons must be present on each sphere if the magnitude of the force or repulsion between them is 4.57*10^-21 newtons.
A 168 oscillator has a speed of 102 when its displacement is 1.90 and 84.0 when its displacement is 6.10 . What the max speed of the oscillator?
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