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An aluminum wing on a passenger jet is 34 meter long when its temperature is 21oC. Find at what temperature would the wing be 8 centimeter or 0.08 meter shorter?
A particle of mass m moves in a conservativ force field. Find the Lagrangian function and the equation of motion in cylindrical coordinates (ρ,φ,z).
A 1.50 kg mass attached to a spring oscillates with a period of 0.365 s and an amplitude of 15.5 cm. Find the maximum speed of the mass
To start a lawn mower, you must pull on a rope wound around theperimeter of a flywheel. find the maximum angular speed reached by the flywheel
The planet Earth travels in a circular orbit at constant speed around the Sun. What is the net work done on the Earth by the gravitational attraction between it and the Sun in one complete orbit? Assume that the mass of the Earth is given by , the ma..
In the Bohr model of the hydrogen atom, an electron in the 7th excited state moves at a speed of 4.47 104 m/s in a circular path having a radius of 2.59 10-9 m
Given you have a 1000 kg automobile with an Otto cycle engine, compression ratio of 10. estimate the real engine losses due to friction and drag
A cylindrical storage tank has a radius of 1.20 m. When filled to a height of 3.66 m, What is the density of the solvent
The carbon isotope 14-C is used for carbon dating of archeological artifacts. What is the recoil speed of the nucleus
Calculate the electric field(magnitude and direction) at the center of a square 52.5 on a side if one corner is occupied by a - 38.8 charge
two isotopes of carbon carbon-12 and carbon-13 have masses of 19.93 10-27 kg and 21.59 10-27 kg respectively. these two
A small rock moves in water and the force exerted on it by the water is given by equation . The terminal speed of the rock is measured and found to be 1.9 . The rock is projected upward at the initial speed of 6.4 . You can ignore the buoyancy for..
Calculate the thickness of the layer between the 1000- and 500mb pressure surfaces (a) at a point in the tropics where the mean virtual temp of the layer is 9C and (b) at a point in the polar regions
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