Multiple Choice
A spring with a 3-kg mass is held stretched 0.9 m beyond its natural length by a force of 30 N.If the spring begins at its equilibrium position but a push gives it an initial velocity of m/s, find the position x(t) of the mass after t seconds.
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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