also evaluate if the weight is moving upwards downwards or neither when t=1 then

Question

also
evaluate if the weight is moving upwards downwards or neither when t=1
then solve for st
than s1

Homework. Secio 4. Toeworn Score: 0 of 1 pt 4.5.23 Suppose that a weight on a spring has initial position s(0) and period P Complete parts (a) and (b) 9 of 10 (1 complete) s(0)--1 in., P 1.2 sec (a) Find a function s given by s(t) -a cos ot that models the displacement of the weight. s(t) = | | (Simpliy your answer Type an exaet nswerin terms of x U'se integers or fractions for any numbers in the expression)

Explanation / Answer

s(0) = -1

P = 1.2

2pi/ b = 1.2

b = 2pi/ 1.2

b = 5pi/4

-1 = a (1)

a = -1

hence, s(t) = -1 cos (5pi/4) t

weight is moving upwards when t = 1

s(1) = -1 cos (5pi/4 * 1 )

s(1) = 0.8

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