I Attach a 4

question 89

Multiple Choice

I attach a 4.0-kg block to a spring that obeys Hooke's law and supply 3.4 J of energy to stretch the spring.I release the block;it oscillates with period 0.15 s.The amplitude is

• A)2.2 cm.
• B)3.1 cm.
• C)1.6 cm.
• D)20 cm.
• E)4.4 cm.

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