At what angle should a water-gun be aimed in order for the water to land with the greatest horizontal range?
A) 45°
B) 30°
C) 0°
D) 90°
E) ? radians
A
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The following images show four planets in our solar system. Rank these planets from left to right based on the number of moons that orbit them, from highest to lowest. (Not to scale.)
What will be an ideal response?
Of all forms of electromagnetic energy, ________ radiation gives us the least access to our entire Milky Way Galaxy
A) ultraviolet B) visible light C) infrared D) radio E) X-ray
The driver of a motorboat that can move at 10 m/s wishes to travel directly across a narrow strait in which the current flows at 5 m/s
(a) At what angle upstream should the driver head the boat? (b) How long will it take to cross a distance of 1.6 km?
In which binary system can we observe both the stars separately and follow their orbits around each other?
A. eclipsing binary system B. visual binary system C. spectroscopic binary system D. transiting binary system