Substituting tan 
for sin 
results in what percent error for an angle of 
A. 5.00
B. 0.0166
C. 0.0333
D. 0.191
E. 0.381
E. 0.381
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A copper wire (d 5 1.5 mm) is bent around a tube of radius R 5 0.6 m. The maximum normal strain in the wire is approximately:
(A) 1.25 3 1023
(B) 1.55 3 1023
(C) 1.76 3 1023
(D) 1.92 3 1023
Compared to the wavelength of incident light, diffuse reflection occurs when the size of surface irregularities is
A) smaller. B) larger. C) about the same.
Traits passed from parents to offspring are referred to by biologists as
A) inheritance B) heredity C) adaptation D) heraldry
The Doppler method seeks to detect planets by
A) precisely measuring distances to stars. B) directly detecting the light of planets orbiting stars. C) measuring small changes in the positions of stars on the sky. D) precisely measuring the velocities of stars moving toward and away from us. E) measuring small changes in the apparent brightness of stars.