What is the speed shown in the graph? which number do i start on?
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Abird sitting high in a tree is an example of what type of wnergy
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If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?
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Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.
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Physics, 22.06.2019 11:00
Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg β’ what must the total momentum of the system be after the train cars collide? kg β’
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