A spring with a 16-kg mass has natural length 0.8 m and is maintained stretched to a length of m by a force of 19.6 N. If the spring is compressed to a length of 0.4 m and then released with zero velocity, find the position x(t) of the mass at any time .
What will be an ideal response?
x(t) = -0.4 cos (1.75t)
Mathematics
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Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 3; r = 
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