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When high-energy, chargedparticles move through a transparent medium with a speed greaterthan the speed of light in that medium, a shock wave, or bow wave,of light is produced. This phenomenon is called the Cherenkoveffect and can be observed in the vicinity of the core of aswimming pool reactor due to high-speed electrons movingthrough the water. In a particular case,the Cherenkov radiation produces a wavefront with an apexhalf-angle of 70.6?.
Calculate the speed of the electrons in the water. The speed oflight in water 2.15 × 108 m/s.
Answer in units of m/s.
Three athletes are tugging on a ring. Martha pulls with a force of 150 N in the northerly direction. Eveylyn pulls with a force of 100 N in the easterly direction. Sara pulls with a force of 200 N in the southwesterly direction (225 degrees clockw..
Cations are removed from the exchange complex of a 1 kg oven-dry soil sample by ammonium (NH4+) substitution. What is the cation exchange capacity of the soil
A series RLC circuit consists of a 107 ohm resistor, a 15.0 mH inductor, and a 0.500 nF capacitor. What is the power supplied to the circuit if w =1/2wo
A cannon fires a cannon ball at 769.26 m/s in a straight line that passes directly over an observer's head. how far is the cannon from the observer
A violin string has a length of 0.360 m and is tuned to concert G, with fG = 392 Hz. (a) How far from the end of the string must the violinist place her finger to play concert A, with fA = 440 Hz? cm from the bridge (b) If this position is to remain ..
A Carnot engine performs work at the rate of 480 kW while using 760 kcal of heat per second. If the temperature of the heat source is 571°C, at what temperature (in Celsius) is the waste heat exhausted
One mole of an ideal gas does 1408 J of work on the surroundings as it expands isother- mally to a final pressure of 1.6 atm and vol- ume of 29L. Find out the initial volume.
The normal boiling point of ammonia is -33.33 C. The boiling point of ammonia under 23.74 psi is -23.33 C. Suppose the pressure on the liquid ammonia at -23.33 C is suddenly dropped from 23.74 psi to 14.71 psi (1 atmosphere).
Assume a planet is a uniform sphere of radius R that (somehow) has a narrow radial tunnel through its center. Also assume we can position an apple anywhere along the tunnel or outside the sphere.
An object 0.600 cm tall is placed 17.0 cm to the left of the vertex of a concave spherical mirror having a radius of curvature of 24.0 cm. determine the height of the image and describe the image. upright/virtual / real/ inverted/ enlarged/ behind th..
If the spring is stretched by 1.4 times the value in part A, and then released from rest, and the coefficient of kinetic friction between the box and the plank is 0.34, what is the magnitude of the initial acceleration of block as it starts moving..
You hit a 0.2 kg golf ball up at 40o from the horizontal. It travels for 4.86 s and stops on an elevated green 10 m above its initial height traveling down at an angle of 35.4o below the horizontal
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