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1. Drive the mobility formulae and its temperature dependence for a neutral scatterer whose scattering cross section is πat2 and constant.
2. Sketch the transverse acoustical lattice vibration wave at t=0 and a later time t=t1 propagating on a one-dimensional chain with a wavelength of 8a.
What is the surface temperature of Betelgeuse, a red giant star in the constellation of Orion, which radiates with a peak wavelength of about 970 nm
A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. With what speed did she reach the platform
An alpha particle (q = 2e and m = 6.64e-27 kg) is accelerated from rest through a potential difference of 1.2e+5 volts. Find the speed of the particle after being accelerated
A 4.20-g bullet embeds itself in a 20.0-kg block, which is attached to a horizontal spring with a force constant of 950 N/m. find the speed of the bullet just before it hits the block
A viewing window on the side of a large tank at a public aquarium measures 42 in. by 52 in. What is the total outward force on the window
The total energy of a particle is 3.97 times its rest energy. The mass of the particle is 2.8 × 10^-27 kg. With what speed is the particle moving and what is the particle's momentum
A particle is located at r=(4.1i+3.1j+5.6k)m . A force F=(9.5j-3.5k)N acts on it. What is the torque, calculated about the origin
A puck (mass m1 = 1.30 kg) slides on a frictionless table as shown in the figure below. The puck is tied to a string that runs through a hole in the table and is attached to a mass m2 = 3.9 kg. What is the change in the kinetic energy of the puck
Calculate the velocity of the object for an elapsed time of t=1s. Use the formula v=v0+at, these use the v0,and the value for acceleration you determined in previouse step. PROBLEM:V=Vo+at Vo is 3.8 m/s a=1.2m/s^2
A 3.0-kg and a 5.0-kg box rest side-by-side on a smooth, level floor. How hard do the two boxes push against each other
Calculate the work done on a gas, the change in internal energy of the gas, the heat added to the gas, and the change in entropy of the gas when 1.12 moles of oxygen
q. an airplane takes off from the only airstrip in a remote area of canada flies 68.0deg north of east for 177 km then
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