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The force is related to the linear deformation by F=Y ?L A/L0. We need to first determine the area A=pi* r2= pi* (0.005)^2=7.854X10-5 m2. Then F=20x1010x5x10-3x7.854X10-5/10=79x102 N.
A Thomson's gazelle can run at very high speeds, but its acceleration is relatively modest. What is the gazelle's top speed
A computer is reading data from a rotating CD-ROM. At a point that is 0.037 m from the center of the disc, the centripetal acceleration is 120 m/s2. What is the centripetal acceleration at a point that is 0.054 m from the center of the disc
A 1.25 m long FM antenna is oriented parallel to the electric field of an EM wave. The eletric field produced from 1.46 mV between the ends of the antenna must be 9.12×10^-4 V/m. What is the rate of energy transport per square meter?
A particle of mass m0 is given a kinetic energy equal to one-fourth its rest-mass energy. How fast must the particle be traveling
A copper wire 89.1 cm long and 1.05 mm in diameter have a mass of 6.07 g. Discover the number of electrons in the wire. (Copper has an atomic number of 29; that is, there are 29 protons in the Copper atom. Copper's atomic mass is 63.5.)
The pilot of an airplane notes that the compass indicates a heading due west. The airplane's speed relative to the air is 200 km/h. find the velocity of the airplane relative to the ground
Why do proto-stars, black holes, X-Ray binaries with jets, active galaxies and quasars have very similar geometries (i.e. how they appear)? What mechanisms dictate this geometry? What type of differences are there between these geometries? Are their ..
A 1.83 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.442 and the coefficient of kinetic friction is 0.240. How much force is needed to begin moving the book
A wheel rotates through an angle of 13.8rad as it slows down from 22.0 rad/s to 13.5 rad/s. what is the magnitude of the angular acceleration of the wheel
a sphere of radius a in free space is nonuniformly charged over its surface such that the charge density, Compute the total charge of the sphere
a pi meson of rest energy 139.6 mev moving at a speed of 0.906c collides with and sticks to a proton of rest energy
A toy top with a spool of diameter 5.0 cm has a moment of inertia of 3.0 X 10^5 kgm2 about its rotation axis. To get the top spinning, its string is pulled with a tension of 0.30 N. How long does it take for the top to complete its first five revolut..
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