Solve the problem.A rock falls from a tower that is 83.3 m high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round to the nearest tenth, if necessary.
A. 8.9 sec
B. 9.1 sec
C. 4.1 sec
D. 1416.1 sec
Answer: C
Mathematics
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A. ? B. ?
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Evaluate the spherical coordinate integral.
A.
 ? |
B.
?C.
?D.
?
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