X-rays are scattered by _________on the atoms in the sample.
Fill in the blank(s) with the appropriate word(s).
electrons
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An airplane flies in a horizontal circle of radius 500 m at a speed of 150 m/s. If the plane were to fly in the same 500-m circle at a speed of 300 m/s, by what factor would its centripetal acceleration change?
A. 0.25 B. 0.50 C. 1.00 D. 2.00 E. 4.00
A disk-shaped space station 125 m in diameter spins at a uniform rate about an axis through its center and perpendicular to the plane of the disk
If the acceleration of a point on the rim of the disk is to be equal to g, how long does it take for the station to make one revolution? Use g = 9.8 m/s2.
An airplane flies between two points on the ground that are 500 km apart. The destination is directly north of the origination of the flight
The plane flies with an air speed of 120 m/s. If a constant wind blows at 10.0 m/s due west during the flight, what direction must the plane fly relative to north to arrive at the destination? A) 4.78° east of north B) 4.76° east of north C) 85.2° west of north D) 4.78° west of north E) 4.76° west of north
If a polymer is to be extruded at a high shear strain rate, which of the following material characteristics is most desirable?
(a) Shear thickening. (b) Newtonian fluid. (c) Shear thinning. (d) Elastic.