An object moves in simple harmonic motion described by the given equation, where t is measured in seconds and d in meters . Find the maximum displacement, the frequency, and the time required for one cycle.d = 3 cos 5?t meters
A. displacement = 3 meters; period = 
? seconds; f = 
oscillations/second
B. displacement = -3 meters; period = 
seconds; f = 
oscillations/second
C. displacement = 3 meters; period = 
seconds; f = 
oscillations/second
D. displacement = 3 meters; period = 
seconds; f = 
oscillations/second
Answer: C
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Find the limit.
A. -? B. 0 C. ? D. 2/3
Solve. Express the answer in scientific notation to two decimals unless requested otherwise.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations? Round to one decimal place.
A. 1.4 × 10-7 sec B. 1.4 × 105 sec C. 1.4 × 1012 sec D. 1.4 × 106 sec
Simplify.
-3
A. 
B. 
C. 
D. 
Find the missing value and write a conclusion.8% of 5400 is what number?
A. 8% of 5400 is 5320. B. 8% of 5400 is 4320. C. 8% of 5400 is 532. D. 8% of 5400 is 432.