Solve the problem.On our moon, the acceleration of gravity is 1.6 m/sec2. If a rock is dropped into a crevasse, how fast will it be going just before it hits bottom 45 seconds later?
A. -36 m/sec
B. 72 m/sec
C. 3240 m/sec
D. -72 m/sec
Answer: D
Mathematics
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Answer the question.Find a rational number between 1.67 and 1.68.
A. 1.681 B. 1.673 C. 1.683133133313333... D. 1.673133133313333...
Mathematics
Find the area.
A. 351 mi2 B. 1404 mi2 C. 702 mi2 D. 648 mi2
Mathematics
Solve the problem.Suppose that an worm population, P, in thousands per acre, is given by P = 
, where x represents time in months. Find the worm population after 4 months.
A. 22 thousand per acre B. 90 thousand per acre C. 18 thousand per acre D. 20 thousand per acre
Mathematics
Evaluate.-24
A. -32 B. 16 C. 32 D. -16
Mathematics