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A car's speed changes from 0 m/s to 30 m/s in 20 seconds. What is the average acceleration of the car?
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A90db sound wave strikes an eardrum whose area is 5.0Γ10^-5m^2. how much energy is absorbed by the eardrum per second
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If 2 different solids have the same masses but different volumes, how will their densities compare? a. the solids will have the same densities. b. the solid with lower volume will have a higher density. c. the solid with greater volume will have a higher density. d. the solid with greater volume will have double the density of the solid with the lower volume.
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A car's speed changes from 0 m/s to 30 m/s in 20 seconds. What is the average acceleration of the ca...
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