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Question 123

Multiple Choice

Solve the problem. Round to the nearest tenth, if necessary.
-If an object is propelled upward from ground level with an initial velocity of 72.1 feet per second, its height h in feet t seconds later is given by the equation Solve the problem. Round to the nearest tenth, if necessary. -If an object is propelled upward from ground level with an initial velocity of 72.1 feet per second, its height h in feet t seconds later is given by the equation After how many seconds does the object hit the ground? A) 4.5 sec B) 0. 2 sec C) 9.0 sec D) 2.3 sec After how many seconds does the object hit the ground?


A) 4.5 sec
B) 0. 2 sec
C) 9.0 sec
D) 2.3 sec

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