Solve the problem. Round to the nearest tenth, if necessary.If an object is propelled upward from a height of 160 feet at an initial velocity of 144 feet per second, then its height h after t seconds is given by the equation 
After how many seconds does the object hit the ground? Round to the nearest tenth of a second, if necessary.
A. 5.0 sec
B. 9.0 sec
C. 10 sec
D. 11 sec
Answer: C
Mathematics
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