What is the uncorrected near point of a person who has a near point that is 25 cm from his eyes when he is wearing 3.33-diopter contact lenses?
A) 1.9 m B) 0.75 m C) 0.60 m D) 1.5 m E) 0.50 m
D
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The mysterious component if the universe which appears to be pushing galaxies apart is referred to as
A) dark energy B) anti-gravity C) dark matter D) inflation
A CD has a diameter of 12.0 cm and is rotating at an angular velocity of 10.0 rad/sec. If the CD has a constant angular deceleration of -0.5 
then the angular velocity of the CD after 3.0 sec is
A. 5.7 rad/s. B. 6.2 rad/s. C. 7.9 rad/s. D. 8.5 rad/s. E. 9.8 rad/s.
Star A is identical to Star B, except that Star A is twice as far from us as Star B. Therefore, ________
A) both stars have the same luminosity, but the apparent brightness of Star A is four times that of B) both stars have the same luminosity, but the apparent brightness of Star B is four times that of C) both stars have the same apparent brightness, but the luminosity of Star B is four times that of D) both stars have the same luminosity, but the apparent brightness of Star B is twice that of Star A
The oldest pulsars are billions of years old
a. True b. False Indicate whether the statement is true or false