n-yes MAC1114 College Trigonometry Summer B Term 2018 Brittany Albergo &1 7/16/1

Question

n-yes MAC1114 College Trigonometry Summer B Term 2018 Brittany Albergo &1 7/16/18 10:01 PM Quiz: 8.8 Quiz (LO5) ecn oein Question Time Remaining: 00:43:47 Submit Quiz This Question: 1 pt 3 of 4( This Quiz: 4 pts The height attained by a weight attached to a spring is s(t)- -4 cos 10t inches after t seconds the maximum height the weight rises above the s equilibrium position, the frequency and period of the oscillation, and when the weight first reaches its maximum height What is the maximum height that the weight rises above the equilibrium position? 21 in The frequency of the oscillation isoycles per sec. (Simplify your answer. Type an exact answer, using x as needed.) The period of the oscillation is Dec. (Simplify your answer. Type an exact answer, using ? as needed.) al a When does the weight first reach its maximum height? sec (Type an integer or fraction. Type an exact answer, using x as needed.) Enter your answer in each of the answer boxes. ere to search

Explanation / Answer

1) s(t) = - 4 cos 10 t

a) maximum height attained = amplitude

= 4 in

b) frequency of oscillation = 1/ 2pi/10

= 5/pi

c) period of oscillation = pi/5

d) weight first reach its maximum height at pi/10 sec

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