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Q1. What is the speed of the block when it has moved the distance of 0.0150 from its initial position? (At this point the spring is compressed 0.0160.)

Q2. A loudspeaker on a tall pole broadcasts sound waves equally in all directions. If the sound output is 7.0 W, at what distance from loudspeaker is the sound intensity level 85.7 dB?

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