A softball player determines her pitching speed by throwing a ball horizontally from an elevation of 5 m above the ground. The ball lands 20 m downrange. What is her pitching speed?
A) 5 m/s
B) 10 m/s
C) 20 m/s
D) 25 m/s
E) none of the above
Answer: C
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Orion is visible on winter evenings in the northern hemisphere but not summer evenings because of
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From coolest to hottest, the seven letters for the star types are ________
Fill in the blank(s) with correct word