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The speed of light in ice is 2.29x10 8 m/s. What is the index of refraction of ice?
A wire has a length of 5.60*10-2 m and is used to make a circular coilof one turn. There is a current of 2.80 Ain the wire. In the presence of a 3.70-Tmagnetic field, what is the maximum torque that this coil canexperience.
Two pipes of equal length are each open at one end. Each has a fundamental frequency of 480 Hz at 300 K. In one pipe the air temperature is increased to 305 K. If the two pipes are sounded together, what beat frequency results?
A proton moves through a magnetic field at 39.1% of the speed of light. obtain the magnitude of the magnetic force acting on the proton
A sinusoidal traveling water wave has a wavelength of 25 cm and a frequency of 0.60 Hz. What is the phase speed of this wave
In each of the four scenarios, a large bat lets out a short burst of ultrasonic sound, which the smaller bat hears a moment later. what return frequency will the large bat detect
The semiconducting compound CdTe is widely used for infrared light emmiting diodes (LEDs). find the frequency of light emitted by a CdTe LED
A freezer is comprised of 1.80x1x0.5 m^3 volume, insulated with 5 cm thick Styrofoam. (1) At what rate should the compressor remove heat to maintain the inside at - 20 degrees Celsius with the outside at room temperature. (2) What is the R-value o..
Consider a gas of fermions at temperature T=0 in 3D space with dispersion law E(p) = v lpl^3 where v is a constant. calculate the Fermi energy and the ground energy
Calculate the energy needed to accelerate a spaceship of mass10,000 kg to a speed of .3c for intergalactic spaceexplortation. Compare this with a projected annual energy usage onEarth of 1021.
An AC voltage of rms value 413 V and frequency 75 Hz is connected across a light bulb with a resistance of 471 ohms. What is the rms current and maximum current
An object falls because of gravity at the rate of -920 cm/s2 (- sign is indicative of a downward direction) for 10.00 Seconds. If it starts from rest (vo = 0) and its position starts from do= 0.0, where is it 10.00 Seconds later.
A 1000-kg rocket has a net propulsion force of 20 kN (kiloNewtons). What is the net work done on the rocket in kilojoules (kJ)
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