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At a distance of 10.0 m from a loudspeaker, the sound intensity level is measured to be 70 dB. At what distance from the source will the intensity be 40 dB?
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An ideal spring has a spring constant (force constant) of 2500 n/m, is stretched 4.0 cm, how much elastic potential energy does it possess? (a) 3j (b) 0.00j (c) 1j (d) 2j (e) 4j
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An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?
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Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?
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At a distance of 10.0 m from a loudspeaker, the sound intensity level is measured to be 70 dB. At wh...
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