The angular measure in degrees north or south of the celestial equator is called _______________
a. declination
b. azimuth
c. altitude
d. latitude
a
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Uniform Circular Motion: A jet plane flying 600 m/s experiences an acceleration of 4.0 g when pulling out of the circular section of a dive. What is the radius of curvature of this section of the dive?
A. 1.2 km B. 5.8 km C. 0.64 km D. 9.2 km E. 7.0 km
In a contest, two tractors pull two identical blocks of stone the same distance over identical surfaces. However, block A is moving twice as fast as block B when it crosses the finish line. Which statement is correct?
A. Block A has twice as much kinetic energy as block B. B. Block B has lost twice as much kinetic energy to friction as block A. C. Block B has lost twice as much kinetic energy as block A. D. Both blocks have had equal losses of energy to friction. E. No energy is lost to friction because the ground has no displacement.
Which of the following materials has the highest dielectric constant?
a. air b. Mylar c. paper d. Pyrex glass e. water
A person in a boat sees a fish in the water (n = 1.33), the light rays making an angle of 40° relative to the water's surface. What is the true angle (in degrees) relative to the water's surface of the same rays when beneath the surface?
a. 40 b. 35 c. 50 d. 55 e. 61