Solve the problem.The acceleration of gravity near the surface of Mars is 3.72 m/sec2. If a rock is blasted straight up from the surface with an initial velocity of 
(about 
how high does it go? (Hint: When is velocity zero?)
A. Approximately 971.1 meters
B. Approximately 1942.25 meters
C. Approximately 170 meters
D. Approximately 22.85 meters
Answer: A
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (2-2)0
A. 1
B. 
C. 0
D. -4
Solve.The ratio of the weight of an object on Earth to an object on Planet X is 3 to 7. If a person weighs 210 pounds on Earth, find his weight on Planet X. (Round to the nearest whole number, if necessary.)
A. 4410 lb B. 10 lb C. 90 lb D. 490 lb
Solve.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.63 ohm when the diameter is 1 mm and the length is 210 cm, what is the resistance when the diameter is 3 mm and the length is 1370 cm?
A. 0.457 ohm B. 1.37 ohm C. 152.222 ohm D. 95.9 ohm
Plot the point with the given polar coordinates.
A. 
B. 