Once the website is published, the testing also is complete.
Answer the following statement true (T) or false (F)
False
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How can the light reflected off a planet reveal information about its atmosphere, even though the planet is not creating this light?
What will be an ideal response?
Lilies in a certain pond double their total lake area covered every week. One day you notice that the pond is 1/8 covered with lilies. How long will it be before the pond is totally covered with lilies?
A) 3 weeks B) 8 weeks C) 6 weeks D) 4 weeks E) It is impossible to answer this without knowing the total area of the pond.
Two masses m1 and m2, with m1 = 3 m2, undergo a head-on elastic collision. If the particles were approaching with speed v before the collision, with what speed are they moving apart after collision?
a. v c. 3v/4 b. v/3 d. 3v
A magnifying glass has a convex lens of focal length 15 cm. At what distance from a postage stamp should you hold this lens to get a magnification of +2.0?