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a hockey puck is pushed by a stick with a force of 750 newtons. the puck travels 2.0 meters in 0.30 seconds. how powerful is the push? (ignore frictional effects.)

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg