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A layer of air has a temperature T0 of 30 Celsius at ground level and a lapse rate ? of 20 Celsius/km. A parcel originatiing at the surface is displaced upward with velocity v0 of 1 m/sec.
a) Ignoring friction and assuming dry adiabatic ascent, find expressions for the altitude z(t) and velocity v(t).
b) Find the time that it takes for the parcel to reach an altitude zf of 500m and determine its upward velocity at that point.
An object is placed 64.5 cm from a screen. Find the magnification of the lens
Two identical particles of mass m are trapped by an external one dimensional harmonic oscillator potential, but do not interact with each other. The energy levels for a single particle in the potential are En = (n + 1/2)(h_bar)(ω) for n = 0,1,2,3,..
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A charge q = +929 ?C is uniformly distributed on a thin nonconducting ring of mass m = 0.60 g and radius r = 2.60 cm. What is the final angular velocity of the ring
An electric vehicle starts from rest and accelerates at a rate of 2 m/s2 in a straight line until it reaches a speed of 25.00 m/s. The vehicle then slows at a constant rate of 1.1 m/s2 until it stops. (1) How much time elapses from start to stop? ..
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