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A 115 V fish-tank heater is rated at 120 W
a) Calculate the current through the heater when it is operating.
b) resistance.
Physics, Academics
In chemical changes, new substances are formed. Do the atoms involved actually change? If not, what has changed? How would you help your students visualize this?
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What are the equations and ratios used in Galileo's experiments, and what theory/principles are associated with his experiments that involve motion on a ramp at different inclines and distances for example?
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