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An x-ray beam of a certain wavelength is incident on a crystal, at 31.3° to a certain family of reflecting planes of spacing 41.4 pm. If the reflection from those planes is of the first order, what is the wavelength of the x rays in nanometers?
A tiny drop of dye is put in a very still tub of water, calculate the average distance traveled and the standared deviation after: one step, one minute and one year (3.17x10^7 sweconds)
Oxygen gas having a volume of 1180 cm3 at 47.3°C and 1.00 x 105 Pa expands until its volume is 1900 cm3 and its pressure is 1.08 x 105Pa. determine the final temperature of the sample
A car moving at 37 m/s approaches a stationary whistle that emits 270 Hz sound. The speed of sound is 347 m/s. What is the frequency of sound heard by the driver of the car.
11 an experimenter uses an x-ray spectrometer nbspwhich has a rotating drum scale a pointer to measure angles. a view
Suppose a manufacturing plant has an average sound intensity level of 97.0 dB created by 25 identical machines. Find the total intensity created by all the machines
suppose that no heat is lost to the surroundings, what is the situation when termal equilibrium is reached.
A body is suspended vertically from an ideal spring of spring constant 3.4 N/m. The spring is initially in its relaxed position. What is the maximum kinetic energy of the body
Note down that since each oscillator is attached to two "springs", and each "spring" is half the length of the interatomic bond, the effective interatomic spring stiffness for one of these oscillators is times estimated value given above.
By using integral calculus, find the area of the region bounded by the graphs of y = x^2 and y = 4. (x and y are in meters.) Calculate the rotational inertia of this object when it is spinning around y-axis.
A car is traveling at 81.9 km/hr. The tires have a radius R = 38.4 cm. What is the angular speed of the tire
How many electrons are there in a tablespoon. Find the tension in each cable. right cable and left cable.
A bowling ball weighing 71.2 is attached to the ceiling by a 3.50 rope. The ball is pulled to one side and released; it then swings back and forth like a pendulum. As the rope swings through its lowest point, speed of the bowling ball is measured a..
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