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Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen
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How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35Β°c to 5Β°c
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You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.
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I need help extra credit Newton's second Law of motion...
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