Suppose two stars are separated in the sky by 0.1 arcseconds. If you take a picture of them with the SOAR telescope, which has an angular resolution of 0.6 arcsecond, what will you see?
A) one point of light that is the blurred image of both stars
B) two separate points of light
C) nothing at all
A) one point of light that is the blurred image of both stars
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Projectile Motion: A projectile is fired from the edge of a cliff as shown in the figure. The initial velocity components are 940 m/s (horizontal) and 96 m/s (vertical). The projectile reaches maximum height at point P and then falls and strikes the ground at point Q. How high is point P above point Q, assuming no air resistance?
A. 470 m B. 490 m C. 45,000 m D. 940 m E. 90,000 m
In design, ______ is the harmonious arrangement of elements.
A. unity B. balance C. proximity D. contrast
The special theory of relativity sets a limit on speed. Does it set a limit on momentum?
A) Yes B) No
Why does the same side of the moon always face Earth?
A. Sometimes the back side of the moon is lit by the sun. B. The moon rotates in the same direction that it revolves and the moon's period of rotation is equal to its orbital period. C. The moon does not rotate. D. The moon rotates in the same direction that it revolves. E. The moon's period of rotation is equal to its orbital period.