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Calculate the cross-section for the scattering of a 10MeV α-particle by a gold nucleus (Z=79, A=197) through an angle greater than 10, 20, and 30 degrees. Neglect nuclear recoil.
electric field of a sinusoidal electromagnetic wave obeys the equation \(E=-(375V/m) sin((5.97*10^{15}rad/s)t+(1.99*10^7rad/m)x)\), What is the amplitude of the electric field of this wave
imagine that the distance between two slits in a given experiment is d0.055 mm and that the distance between the slit
A hunter wishes to cross a river that is 2.10 km wide and that flows with a speed of 4.4 km/h. The hunter uses a small powerboat that moves at the maximum speed of 12.60 km/h with respect to the water.
A 81.0-kg daredevil exhibitionist hangs on to the end of a long bungee cord attached to the railing of the Brooklyn Bridge and oscillates vertically, What is the frequency of oscillation
A faulty model rocket moves in the xy-plane (the positive y-direction is vertically upward). The rocket's acceleration has components and , where = 2.50 , = 9.00 , and = 1.40 . At the rocket is at the origin and has velocity with = 1.00 and = 7.00 . ..
In a section of horizontal pipe with a diameter of 3.0 cm, the pressure is 100 kPa and water is flowing with a speed of 1.5 m/s. What is the pressure in the narrower region
a particle of mass m slides without friction on a wedge of angle a and mass m that can move without friction on a
Three moles of an ideal monatomic gas expand at a constant pressure of 2.70 ; the volume of the gas changes from 3.40×10?2 to 4.60×10?2 . First calculate the initial temperature of the gas. Second calculate the final temperature of the gas. Thrid ..
The intensity of sound wave A is 100 times that of sound wave B. Relative to wave B, find the sound level of wave A
On July 15, 2004, NASA launched the Aura spacecraft to study the earth's climate and atmosphere, How many hours does it take this satellite to make one orbit
a circuit consists of an ideal ac generator a 20nbspmicrof capacitor and an 90?nbspresistor all connected in series.
During gym class, a 50-kg teenager runs at 8.0 m/s along the floor toward a rope hanging 7.8 m from the ceiling. What is the tension in the rope at the moment he begins to swing upward
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