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Two masses 5kg and 7kg, placed on a frictionless, horizontal surface are connected by a light string. A force of 50N is exerted on the 5kg mass at angle of 20° to the right. Calculate the acceleration of the system
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Hurry! how much heat is absorbed by a 72g iron skillet when its temperature rises from 11°c to 23°c?
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The current through a 10 ohm resistor is 1.2 amperes. what is the potential difference across the resistor?
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Two masses 5kg and 7kg, placed on a frictionless, horizontal surface are connected by a light string...
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