Uniform Circular Motion: A jet plane flying 600 m/s experiences an acceleration of 4.0 g when pulling out of a circular dive. What is the radius of curvature of the circular part of the path in which the plane is flying?
A. 640 m
B. 1200 m
C. 7100 m
D. 9200 m
Answer: D
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Snell's Law: A beam of light traveling in air strikes a slab of transparent material. The incident beam makes an angle of 40° with the normal, and the refracted beam make an angle of 26° with the normal. What is the speed of light in the transparent material? (c = 3.0 × 108 m/s)
A. 1.0 × 108 m/s B. 2.0 × 108 m/s C. 2.3 × 108 m/s D. 3.0 × 108 m/s E. 0.50 × 108 m/s
Determine the appropriate difference equations for an axisymmetric, steady, spherical geometry with volumetric heat generation. Explain how to solve the equations.
GIVEN
Axisymmetric, steady, spherical geometry with heat generation
FIND
(a) Difference equations
SKETCH
Resistance and Resistivity: A rod is 4.0 m long and has a square cross-section that is 1.5 cm on each side. An ohmmeter measures 0.040 ? across its ends. What is the resistivity of the material from which this rod is made?
A. 0.023 ? ? m B. 0.015 ? ? m C. 1.5 × 10-4 ? ? m D. 2.3 × 10-6 ? ? m
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