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You bicycled for 3 hours and traveled 18 miles. What was your average speed?
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You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.
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When oxygen reacts with hydrogen, it has the capacity to release 29 kilojoules of energy. inside a fuel cell, oxygen reacts with hydrogen to produce 23 kilojoules of useful energy. the rest of the energy is lost as heat. what's the efficiency percentage of the fuel cell?
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Physics, 24.06.2019 00:20, jalst6084
Amassive tractor rolls down a country road. in a perfectly inelastic collision, a small sports car runs into the machine from behind. (i) which vehicle experiences a change of momentum of larger magnitude? a) the car does b) the tractor does c) their momentum changes are the same size d) it could be either vehicle (ii) which vehicle experiences a larger change in kinetic energy? a) the car does b) the tractor does c) their kinetic energy changes are the same size d) it could be either vehicle
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You bicycled for 3 hours and traveled 18 miles. What was your average speed?...
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